diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/LICENSE b/propagators/opentelemetry-propagator-grpc-census-binary/LICENSE
new file mode 100644
index 0000000000..261eeb9e9f
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/LICENSE
@@ -0,0 +1,201 @@
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diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/README.md b/propagators/opentelemetry-propagator-grpc-census-binary/README.md
new file mode 100644
index 0000000000..9ac3becb1c
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/README.md
@@ -0,0 +1,56 @@
+# OpenTelemetry Propagator gRPC Census
+[![Gitter chat][gitter-image]][gitter-url]
+[![NPM Published Version][npm-img]][npm-url]
+[![dependencies][dependencies-image]][dependencies-url]
+[![devDependencies][devDependencies-image]][devDependencies-url]
+[![Apache License][license-image]][license-image]
+
+OpenTelemetry gRPC Census propagator provides gRPC header propagation for systems that use the OpenCensus 'grpc-trace-bin' binary header format. This allows for context propagation when either:
+* incoming gRPC calls come from services already instrumented using OpenCensus
+* outgoing gRPC calls go to services already instrumented using OpenCensus
+
+This propagator works in conjunction with the OpenTelemetry [gRPC plugin](https://github.com/open-telemetry/opentelemetry-js/tree/master/packages/opentelemetry-plugin-grpc).
+
+
+Example of usage:
+```javascript
+const { NodeTracerProvider } = require('@opentelemetry/node');
+const { GrpcCensusPropagator } = require("@opentelemetry/propagator-grpc-census-binary");
+
+const provider = new NodeTracerProvider({
+  plugins: {
+    grpc: {
+      enabled: true,
+      path: '@opentelemetry/plugin-grpc',
+    }
+  }
+});
+
+// Register GrpcCensusPropagator so we can propagate content using
+// the 'grpc-trace-bin' header in our incoming/outgoing gRPC calls.
+provider.register({
+  propagator: new GrpcCensusPropagator()
+});
+```
+## Implementation Details
+See [binary-format.ts](https://github.com/census-instrumentation/opencensus-node/blob/master/packages/opencensus-propagation-binaryformat/src/binary-format.ts) for equivalent encoding/decoding of the format in OpenCensus. Note: the author of the OpenCensus binary format, [~mayurkale22](https://github.com/mayurkale22), also created BinaryTraceContext.ts in [opentelemetry-core](https://github.com/open-telemetry/opentelemetry-js/tree/master/packages/opentelemetry-core) but that was subsequently removed as part of PR [#804](https://github.com/open-telemetry/opentelemetry-js/pull/804). The implementation of GrpcCensusPropagator in _this_ module uses a version of BinaryTraceContext.ts inspired by Mayur's previous work (with minor modifications e.g. there is no longer a BinaryFormat interface to implement).
+
+## Useful links
+- For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
+- For more about OpenTelemetry JavaScript: <https://github.com/open-telemetry/opentelemetry-js>
+- For help or feedback on this project, join us on [gitter][gitter-url]
+
+## License
+
+Apache 2.0 - See [LICENSE][license-url] for more information.
+
+[gitter-image]: https://badges.gitter.im/open-telemetry/opentelemetry-js.svg
+[gitter-url]: https://gitter.im/open-telemetry/opentelemetry-node?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+[license-url]: https://github.com/open-telemetry/opentelemetry-js-contrib/blob/master/LICENSE
+[license-image]: https://img.shields.io/badge/license-Apache_2.0-green.svg?style=flat
+[dependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib/status.svg?path=propagators/opentelemetry-propagator-grpc-census-binary
+[dependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=propagators%2Fopentelemetry-propagator-grpc-census-binary
+[devDependencies-image]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib/dev-status.svg?path=propagators/opentelemetry-propagator-grpc-census-binary
+[devDependencies-url]: https://david-dm.org/open-telemetry/opentelemetry-js-contrib?path=propagators%2Fopentelemetry-propagator-grpc-census-binary&type=dev
+[npm-url]: https://www.npmjs.com/package/@opentelemetry/propagator-grpc-census-binary
+[npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fpropagator-grpc-census-binary.svg
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/package.json b/propagators/opentelemetry-propagator-grpc-census-binary/package.json
new file mode 100644
index 0000000000..1de45d546d
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/package.json
@@ -0,0 +1,64 @@
+{
+  "name": "@opentelemetry/propagator-grpc-census-binary",
+  "version": "0.8.0",
+  "description": "OpenTelemetry gRPC Census propagator provides a context propagator for OpenTelemetry that can use the gRPC binary header: 'grpc-trace-bin' for interoperability with OpenCensus",
+  "main": "build/src/index.js",
+  "types": "build/src/index.d.ts",
+  "repository": "open-telemetry/opentelemetry-js-contrib",
+  "scripts": {
+    "test": "nyc ts-mocha -p tsconfig.json 'test/**/*.test.ts'",
+    "tdd": "npm run tdd:node",
+    "tdd:node": "npm run test -- --watch-extensions ts --watch",
+    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../",
+    "clean": "rimraf build/*",
+    "lint": "gts check",
+    "lint:fix": "gts fix",
+    "precompile": "tsc --version",
+    "compile": "npm run version:update && tsc -p .",
+    "prepare": "npm run compile",
+    "version:update": "node ../../scripts/version-update.js",
+    "watch": "tsc -w"
+  },
+  "keywords": [
+    "opentelemetry",
+    "nodejs",
+    "tracing",
+    "grpc",
+    "opencensus"
+  ],
+  "author": "OpenTelemetry Authors",
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=8.0.0"
+  },
+  "files": [
+    "build/src/**/*.js",
+    "build/src/**/*.d.ts",
+    "doc",
+    "LICENSE",
+    "README.md"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "devDependencies": {
+    "@types/mocha": "^7.0.0",
+    "@types/node": "^12.6.8",
+    "codecov": "^3.6.1",
+    "grpc": "^1.24.2",
+    "gts": "^1.1.0",
+    "mocha": "^6.1.0",
+    "nyc": "^15.0.0",
+    "rimraf": "^3.0.0",
+    "ts-loader": "^6.0.4",
+    "ts-mocha": "^6.0.0",
+    "ts-node": "^8.6.2",
+    "tslint-consistent-codestyle": "^1.16.0",
+    "tslint-microsoft-contrib": "^6.2.0",
+    "typescript": "3.7.2"
+  },
+  "dependencies": {
+    "@opentelemetry/api": "^0.8.3",
+    "@opentelemetry/core": "^0.8.3"
+  }
+}
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/src/BinaryTraceContext.ts b/propagators/opentelemetry-propagator-grpc-census-binary/src/BinaryTraceContext.ts
new file mode 100644
index 0000000000..1e57bd91dc
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/src/BinaryTraceContext.ts
@@ -0,0 +1,141 @@
+/*!
+ * Copyright 2020, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { SpanContext, TraceFlags } from '@opentelemetry/api';
+
+const VERSION_ID = 0;
+const TRACE_ID_FIELD_ID = 0;
+const SPAN_ID_FIELD_ID = 1;
+const TRACE_OPTION_FIELD_ID = 2;
+
+// Sizes are number of bytes.
+const ID_SIZE = 1;
+const TRACE_ID_SIZE = 16;
+const SPAN_ID_SIZE = 8;
+const TRACE_OPTION_SIZE = 1;
+
+const VERSION_ID_OFFSET = 0;
+const TRACE_ID_FIELD_ID_OFFSET = VERSION_ID_OFFSET + ID_SIZE;
+const TRACE_ID_OFFSET = TRACE_ID_FIELD_ID_OFFSET + ID_SIZE;
+const SPAN_ID_FIELD_ID_OFFSET = TRACE_ID_OFFSET + TRACE_ID_SIZE;
+const SPAN_ID_OFFSET = SPAN_ID_FIELD_ID_OFFSET + ID_SIZE;
+const TRACE_OPTION_FIELD_ID_OFFSET = SPAN_ID_OFFSET + SPAN_ID_SIZE;
+const TRACE_OPTIONS_OFFSET = TRACE_OPTION_FIELD_ID_OFFSET + ID_SIZE;
+
+const FORMAT_LENGTH =
+  4 * ID_SIZE + TRACE_ID_SIZE + SPAN_ID_SIZE + TRACE_OPTION_SIZE;
+
+/**
+ * Used to encode SpanContext to binary (toBytes) or decode SpanContext
+ * from binary (fromBytes). Derived from a previous implementation in
+ * opentelemetry-core (see README.md). Supports the main
+ * GrpcCensusPropagator class.
+ */
+export class BinaryTraceContext {
+  /**
+   * Converts context to the binary format used by OpenCensus.
+   *
+   * @param spanContext - The SpanContext to encode
+   * @returns Encoded context as a Uint8Array
+   */
+  static toBytes(spanContext: SpanContext): Uint8Array {
+    /**
+     *  0           1           2
+     *  0 1 2345678901234567 8 90123456 7 8
+     * -------------------------------------
+     * | | |                | |        | | |
+     * -------------------------------------
+     *  ^ ^      ^           ^    ^     ^ ^
+     *  | |      |           |    |     | `-- options value
+     *  | |      |           |    |     `---- options field ID (2)
+     *  | |      |           |    `---------- spanID value
+     *  | |      |           `--------------- spanID field ID (1)
+     *  | |      `--------------------------- traceID value
+     *  | `---------------------------------- traceID field ID (0)
+     *  `------------------------------------ version (0)
+     */
+    const traceId = spanContext.traceId;
+    const spanId = spanContext.spanId;
+    const buf = new Uint8Array(FORMAT_LENGTH);
+    let j = TRACE_ID_OFFSET;
+    for (let i = TRACE_ID_OFFSET; i < SPAN_ID_FIELD_ID_OFFSET; i++) {
+      // tslint:disable-next-line:ban Needed to parse hexadecimal.
+      buf[j++] = parseInt(traceId.substr((i - TRACE_ID_OFFSET) * 2, 2), 16);
+    }
+    buf[j++] = SPAN_ID_FIELD_ID;
+    for (let i = SPAN_ID_OFFSET; i < TRACE_OPTION_FIELD_ID_OFFSET; i++) {
+      // tslint:disable-next-line:ban Needed to parse hexadecimal.
+      buf[j++] = parseInt(spanId.substr((i - SPAN_ID_OFFSET) * 2, 2), 16);
+    }
+    buf[j++] = TRACE_OPTION_FIELD_ID;
+    buf[j++] = Number(spanContext.traceFlags) || TraceFlags.NONE;
+    return buf;
+  }
+
+  /**
+   * Converts the binary format used by OpenCensus to a SpanContext
+   *
+   * @param buf - Encoded context as a Uint8Array
+   * @returns Decoded context or null if the incoming binary is invalid
+   */
+  static fromBytes(buf: Uint8Array): SpanContext | null {
+    const result: SpanContext = {
+      traceId: '',
+      spanId: '',
+      traceFlags: TraceFlags.NONE,
+    };
+    // Length must be 29.
+    if (buf.length !== FORMAT_LENGTH) return null;
+    // Check version and field numbers.
+    if (
+      buf[VERSION_ID_OFFSET] !== VERSION_ID ||
+      buf[TRACE_ID_FIELD_ID_OFFSET] !== TRACE_ID_FIELD_ID ||
+      buf[SPAN_ID_FIELD_ID_OFFSET] !== SPAN_ID_FIELD_ID ||
+      buf[TRACE_OPTION_FIELD_ID_OFFSET] !== TRACE_OPTION_FIELD_ID
+    ) {
+      return null;
+    }
+
+    result.isRemote = true;
+
+    // See toBytes for byte offsets.
+    result.traceId = toHex(buf.slice(TRACE_ID_OFFSET, SPAN_ID_FIELD_ID_OFFSET));
+    result.spanId = toHex(
+      buf.slice(SPAN_ID_OFFSET, TRACE_OPTION_FIELD_ID_OFFSET)
+    );
+    result.traceFlags = buf[TRACE_OPTIONS_OFFSET];
+    return result;
+  }
+}
+
+/**
+ * Convert a binary array to a Hex representation
+ *
+ * @param buff - binary array to be converted
+ * @returns Hex representation
+ */
+function toHex(buff: Uint8Array) {
+  let out = '';
+  for (let i = 0; i < buff.length; ++i) {
+    const n = buff[i];
+    if (n < 16) {
+      out += '0' + n.toString(16);
+    } else {
+      out += n.toString(16);
+    }
+  }
+  return out;
+}
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/src/GrpcCensusPropagator.ts b/propagators/opentelemetry-propagator-grpc-census-binary/src/GrpcCensusPropagator.ts
new file mode 100644
index 0000000000..12b5fdcdc4
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/src/GrpcCensusPropagator.ts
@@ -0,0 +1,140 @@
+/*!
+ * Copyright 2020, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  Context,
+  GetterFunction,
+  HttpTextPropagator,
+  SetterFunction,
+} from '@opentelemetry/api';
+import {
+  getParentSpanContext,
+  setExtractedSpanContext,
+} from '@opentelemetry/core';
+import { BinaryTraceContext } from './BinaryTraceContext';
+
+/** The metadata key under which span context is stored as a binary value. */
+export const GRPC_TRACE_KEY = 'grpc-trace-bin';
+
+const VALID_TRACEID_REGEX = /^[0-9a-f]{32}$/i;
+const VALID_SPANID_REGEX = /^[0-9a-f]{16}$/i;
+const INVALID_ID_REGEX = /^0+$/i;
+
+/**
+ * Check whether a traceId is valid
+ * @param traceId - traceId to check
+ * @returns true if valid
+ */
+function isValidTraceId(traceId: string): boolean {
+  return VALID_TRACEID_REGEX.test(traceId) && !INVALID_ID_REGEX.test(traceId);
+}
+
+/**
+ * Check whether a spanId is valid
+ * @param spanId - spanId to check
+ * @returns true if valid
+ */
+function isValidSpanId(spanId: string): boolean {
+  return VALID_SPANID_REGEX.test(spanId) && !INVALID_ID_REGEX.test(spanId);
+}
+
+/**
+ * Propagator for the grpc-trace-bin header used by OpenCensus for
+ * gRPC. Acts as a bridge between the HttpTextPropagator interface and
+ * the binary encoding/decoding that happens in the supporting
+ * BinaryTraceContext class.
+ */
+export class GrpcCensusPropagator implements HttpTextPropagator {
+  /**
+   * Injects trace propagation context into the carrier after encoding
+   * in binary format
+   *
+   * @param context - Context to be injected
+   * @param carrier - Carrier in which to inject (for gRPC this will
+   *     be a grpc.Metadata object)
+   * @param setter - setter function that sets the correct key in
+   *     the carrier
+   */
+  inject(context: Context, carrier: unknown, setter: SetterFunction) {
+    const spanContext = getParentSpanContext(context);
+    if (!spanContext) return;
+
+    if (
+      isValidTraceId(spanContext.traceId) &&
+      isValidSpanId(spanContext.spanId)
+    ) {
+      // We set the header only if there is an existing sampling decision.
+      // Otherwise we will omit it => Absent.
+      if (spanContext.traceFlags !== undefined) {
+        const encodedArray = BinaryTraceContext.toBytes(spanContext);
+        const encodedContext = Buffer.from(encodedArray.buffer);
+
+        if (carrier && encodedContext) {
+          // Set the gRPC header (carrier will be of type grpc.Metadata)
+          setter(carrier, GRPC_TRACE_KEY, encodedContext);
+        }
+      }
+    }
+  }
+
+  /**
+   * Extracts trace propagation context from the carrier and decodes
+   * from the binary format
+   *
+   * @param context - context to set extracted span context on
+   * @param carrier - Carrier from which to extract (for gRPC this will
+   *     be a grpc.Metadata object)
+   * @param getter - getter function that gets value(s) for the correct
+   *     key in the carrier
+   * @returns Extracted context if successful, otherwise the input context
+   */
+  extract(context: Context, carrier: unknown, getter: GetterFunction): Context {
+    if (carrier) {
+      // Get the gRPC header (carrier will be of type grpc.Metadata and
+      // getter actually returns an Array so we use the zero-th element if
+      // it exists)
+      const values = getter(carrier, GRPC_TRACE_KEY) as Array<Buffer>;
+      const metadataValue = values.length > 0 ? values[0] : null;
+
+      if (!metadataValue) {
+        // No metadata, return empty context
+        return context;
+      } else {
+        const decodedContext = BinaryTraceContext.fromBytes(metadataValue);
+
+        if (decodedContext) {
+          const traceId = decodedContext.traceId;
+          const spanId = decodedContext.spanId;
+
+          if (isValidTraceId(traceId) && isValidSpanId(spanId)) {
+            return setExtractedSpanContext(context, {
+              traceId,
+              spanId,
+              isRemote: true,
+              traceFlags: decodedContext.traceFlags,
+            });
+          }
+          return context;
+        } else {
+          // Failed to deserialize Span Context, return empty context
+          return context;
+        }
+      }
+    }
+
+    return context;
+  }
+}
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/src/index.ts b/propagators/opentelemetry-propagator-grpc-census-binary/src/index.ts
new file mode 100644
index 0000000000..1975ea0e2f
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/src/index.ts
@@ -0,0 +1,17 @@
+/*!
+ * Copyright 2020, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export * from './GrpcCensusPropagator';
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/src/version.ts b/propagators/opentelemetry-propagator-grpc-census-binary/src/version.ts
new file mode 100644
index 0000000000..f30ba9baca
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/src/version.ts
@@ -0,0 +1,18 @@
+/*!
+ * Copyright 2019, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// this is autogenerated file, see scripts/version-update.js
+export const VERSION = '0.8.0';
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/test/BinaryTraceContext.test.ts b/propagators/opentelemetry-propagator-grpc-census-binary/test/BinaryTraceContext.test.ts
new file mode 100644
index 0000000000..fd2f8d7abd
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/test/BinaryTraceContext.test.ts
@@ -0,0 +1,147 @@
+/*!
+ * Copyright 2020, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import * as assert from 'assert';
+import { BinaryTraceContext } from '../src/BinaryTraceContext';
+import { SpanContext, TraceFlags } from '@opentelemetry/api';
+
+describe('BinaryTraceContext', () => {
+  const commonTraceId = 'd4cda95b652f4a0b92b449d5929fda1b';
+  const commonSpanId = '75e8ed491aec7eca';
+
+  const testCases: Array<{
+    structured: SpanContext | null;
+    binary: Uint8Array;
+    description: string;
+  }> = [
+    {
+      structured: {
+        traceId: commonTraceId,
+        spanId: commonSpanId,
+        traceFlags: TraceFlags.SAMPLED,
+      },
+      binary: new Uint8Array([
+        0,
+        0,
+        212,
+        205,
+        169,
+        91,
+        101,
+        47,
+        74,
+        11,
+        146,
+        180,
+        73,
+        213,
+        146,
+        159,
+        218,
+        27,
+        1,
+        117,
+        232,
+        237,
+        73,
+        26,
+        236,
+        126,
+        202,
+        2,
+        1,
+      ]),
+      description: 'span context with 64-bit span ID',
+    },
+    {
+      structured: {
+        traceId: commonTraceId,
+        spanId: commonSpanId,
+        traceFlags: TraceFlags.NONE,
+      },
+      binary: new Uint8Array([
+        0,
+        0,
+        212,
+        205,
+        169,
+        91,
+        101,
+        47,
+        74,
+        11,
+        146,
+        180,
+        73,
+        213,
+        146,
+        159,
+        218,
+        27,
+        1,
+        117,
+        232,
+        237,
+        73,
+        26,
+        236,
+        126,
+        202,
+        2,
+        0,
+      ]),
+      description: 'span context with no traceFlags',
+    },
+    {
+      structured: null,
+      binary: new Uint8Array([0, 0]),
+      description: 'incomplete binary span context (by returning null)',
+    },
+    {
+      structured: null,
+      binary: new Uint8Array(29),
+      description: 'bad binary span context (by returning null)',
+    },
+  ];
+
+  describe('.toBytes()', () => {
+    testCases.forEach(
+      testCase =>
+        testCase.structured &&
+        it(`should serialize ${testCase.description}`, () => {
+          assert.deepStrictEqual(
+            BinaryTraceContext.toBytes(testCase.structured!),
+            testCase.binary
+          );
+        })
+    );
+  });
+
+  describe('.fromBytes()', () => {
+    testCases.forEach(testCase =>
+      it(`should deserialize ${testCase.description}`, () => {
+        assert.deepStrictEqual(
+          BinaryTraceContext.fromBytes(testCase.binary),
+          testCase.structured &&
+            Object.assign(
+              { isRemote: true, traceFlags: TraceFlags.NONE },
+              testCase.structured
+            )
+        );
+      })
+    );
+  });
+});
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/test/GrpcCensusPropagator.test.ts b/propagators/opentelemetry-propagator-grpc-census-binary/test/GrpcCensusPropagator.test.ts
new file mode 100644
index 0000000000..ebe9fd3b2e
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/test/GrpcCensusPropagator.test.ts
@@ -0,0 +1,285 @@
+/*!
+ * Copyright 2020, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import * as assert from 'assert';
+import { SpanContext, TraceFlags } from '@opentelemetry/api';
+import { Context } from '@opentelemetry/context-base';
+import {
+  getExtractedSpanContext,
+  setExtractedSpanContext,
+} from '@opentelemetry/core';
+import { Metadata, MetadataValue } from 'grpc';
+import {
+  GRPC_TRACE_KEY,
+  GrpcCensusPropagator,
+} from '../src/GrpcCensusPropagator';
+
+describe('GrpcCensusPropagator', () => {
+  const censusPropagator = new GrpcCensusPropagator();
+  let metadata = new Metadata();
+
+  beforeEach(() => {
+    metadata.remove(GRPC_TRACE_KEY);
+  });
+
+  describe('.inject()', () => {
+    it('should set grpc-trace-bin header correctly for sampled span', () => {
+      const spanContext: SpanContext = {
+        traceId: 'd4cda95b652f4a1592b449d5929fda1b',
+        spanId: '6e0c63257de34c92',
+        traceFlags: TraceFlags.SAMPLED,
+      };
+      censusPropagator.inject(
+        setExtractedSpanContext(Context.ROOT_CONTEXT, spanContext),
+        metadata,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+
+      const binaryExpected = `0000${spanContext.traceId}01${
+        spanContext.spanId
+      }02${'01'}`;
+
+      assert.deepStrictEqual(value.toString('hex'), binaryExpected);
+    });
+
+    it('should set grpc-trace-bin header correctly for unsampled span', () => {
+      const spanContext: SpanContext = {
+        traceId: 'd4cda95b652f4a1592b449d5929fda1b',
+        spanId: '6e0c63257de34c92',
+        traceFlags: TraceFlags.NONE,
+      };
+      censusPropagator.inject(
+        setExtractedSpanContext(Context.ROOT_CONTEXT, spanContext),
+        metadata,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+
+      const binaryExpected = `0000${spanContext.traceId}01${
+        spanContext.spanId
+      }02${'00'}`;
+
+      assert.deepStrictEqual(value.toString('hex'), binaryExpected);
+    });
+
+    it('should not inject empty spancontext', () => {
+      const emptySpanContext = {
+        traceId: '',
+        spanId: '',
+        traceFlags: TraceFlags.NONE,
+      };
+      censusPropagator.inject(
+        setExtractedSpanContext(Context.ROOT_CONTEXT, emptySpanContext),
+        metadata,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+      assert.deepStrictEqual(value, undefined);
+    });
+
+    it('should not inject when context has no parent', () => {
+      censusPropagator.inject(
+        Context.ROOT_CONTEXT,
+        metadata,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+      assert.deepStrictEqual(value, undefined);
+    });
+
+    it('should not try to inject without valid TraceFlags', () => {
+      const spanContext = {
+        traceId: 'd4cda95b652f4a1592b449d5929fda1b',
+        spanId: '6e0c63257de34c92',
+        traceFlags: undefined,
+      };
+      censusPropagator.inject(
+        // cast to any so that undefined traceFlags can be used for coverage
+        setExtractedSpanContext(Context.ROOT_CONTEXT, spanContext as any),
+        metadata,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+      assert.deepStrictEqual(value, undefined);
+    });
+
+    it('should not try to inject without carrier', () => {
+      const emptySpanContext = {
+        traceId: 'd4cda95b652f4a1592b449d5929fda1b',
+        spanId: '6e0c63257de34c92',
+        traceFlags: TraceFlags.SAMPLED,
+      };
+      censusPropagator.inject(
+        setExtractedSpanContext(Context.ROOT_CONTEXT, emptySpanContext),
+        null,
+        (metadata, k, v) => metadata.set(k, v as MetadataValue)
+      );
+
+      const value = metadata.getMap()[GRPC_TRACE_KEY] as Buffer;
+      assert.deepStrictEqual(value, undefined);
+    });
+  });
+
+  describe('.extract()', () => {
+    it('should extract context of a unsampled span from carrier', () => {
+      let encodedArray = getUnsampledSpanEncodedArray();
+      let encoded = Buffer.from(encodedArray.buffer);
+      metadata.set(GRPC_TRACE_KEY, encoded);
+
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(
+          Context.ROOT_CONTEXT,
+          metadata,
+          (carrier, key) => carrier.get(key)
+        )
+      );
+
+      assert.deepStrictEqual(extractedSpanContext, {
+        spanId: '75e8ed491aec7eca',
+        traceId: 'd4cda95b652f4a0b92b449d5929fda1b',
+        isRemote: true,
+        traceFlags: TraceFlags.NONE,
+      });
+    });
+
+    it('should extract context of a sampled span from carrier', () => {
+      let encodedArray = getUnsampledSpanEncodedArray();
+
+      // switch last byte to sampled
+      encodedArray[encodedArray.length - 1] = 1;
+      let encoded = Buffer.from(encodedArray.buffer);
+      metadata.set(GRPC_TRACE_KEY, encoded);
+
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(
+          Context.ROOT_CONTEXT,
+          metadata,
+          (carrier, key) => carrier.get(key)
+        )
+      );
+
+      assert.deepStrictEqual(extractedSpanContext, {
+        spanId: '75e8ed491aec7eca',
+        traceId: 'd4cda95b652f4a0b92b449d5929fda1b',
+        isRemote: true,
+        traceFlags: TraceFlags.SAMPLED,
+      });
+    });
+
+    it('should return undefined when header is not set', () => {
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(
+          Context.ROOT_CONTEXT,
+          metadata,
+          (carrier, key) => carrier.get(key)
+        )
+      );
+      assert.deepStrictEqual(extractedSpanContext, undefined);
+    });
+
+    it('should return undefined for invalid field IDs', () => {
+      // zero out all 29 bytes - this will fail due to lack of valid
+      // field IDs for spanId and options (bytes 18 and 27)
+      let encodedArray = new Uint8Array(29);
+
+      let encoded = Buffer.from(encodedArray.buffer);
+      metadata.set(GRPC_TRACE_KEY, encoded);
+
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(
+          Context.ROOT_CONTEXT,
+          metadata,
+          (carrier, key) => carrier.get(key)
+        )
+      );
+
+      assert.deepStrictEqual(extractedSpanContext, undefined);
+    });
+
+    it('should return undefined for invalid trace or span ids', () => {
+      // this should give coverage for the flow where either
+      // isValidTraceId or isValidSpanId fails
+
+      // zero out all 29 bytes except for the spanId field ID and
+      // the options field IF
+      let encodedArray = new Uint8Array(29);
+      encodedArray[18] = 1;
+      encodedArray[27] = 2;
+
+      let encoded = Buffer.from(encodedArray.buffer);
+      metadata.set(GRPC_TRACE_KEY, encoded);
+
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(
+          Context.ROOT_CONTEXT,
+          metadata,
+          (carrier, key) => carrier.get(key)
+        )
+      );
+
+      assert.deepStrictEqual(extractedSpanContext, undefined);
+    });
+
+    it('should return undefined when carrier is null', () => {
+      const extractedSpanContext = getExtractedSpanContext(
+        censusPropagator.extract(Context.ROOT_CONTEXT, null, (carrier, key) =>
+          carrier.get(key)
+        )
+      );
+      assert.deepStrictEqual(extractedSpanContext, undefined);
+    });
+  });
+});
+
+function getUnsampledSpanEncodedArray() {
+  return new Uint8Array([
+    0,
+    0,
+    212,
+    205,
+    169,
+    91,
+    101,
+    47,
+    74,
+    11,
+    146,
+    180,
+    73,
+    213,
+    146,
+    159,
+    218,
+    27,
+    1,
+    117,
+    232,
+    237,
+    73,
+    26,
+    236,
+    126,
+    202,
+    2,
+    0,
+  ]);
+}
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/tsconfig.json b/propagators/opentelemetry-propagator-grpc-census-binary/tsconfig.json
new file mode 100644
index 0000000000..4078877ce6
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "../../tsconfig.base",
+  "compilerOptions": {
+    "rootDir": ".",
+    "outDir": "build"
+  },
+  "include": [
+    "src/**/*.ts",
+    "test/**/*.ts"
+  ]
+}
diff --git a/propagators/opentelemetry-propagator-grpc-census-binary/tslint.json b/propagators/opentelemetry-propagator-grpc-census-binary/tslint.json
new file mode 100644
index 0000000000..0710b135d0
--- /dev/null
+++ b/propagators/opentelemetry-propagator-grpc-census-binary/tslint.json
@@ -0,0 +1,4 @@
+{
+  "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
+}