diff --git a/README.md b/README.md
index 04ea9bf5e..91c78ec80 100644
--- a/README.md
+++ b/README.md
@@ -80,9 +80,7 @@ The development of OpenThread is ongoing to regularly provide additional feature
 
 Led by Nest, the following companies are contributing to the ongoing development of OpenThread:
 
-<a href="https://www.arm.com/"><img src="doc/images/ot-contrib-arm.png" alt="ARM" width="200px"></a><a href="http://www.atmel.com/"><img src="doc/images/ot-contrib-atmel.png" alt="Atmel" width="200px"></a><a href="http://www.dialog-semiconductor.com/"><img src="doc/images/ot-contrib-dialog.png" alt="Dialog" width="200px"></a><br />
-<a href="https://www.microsoft.com/en-us/"><img src="doc/images/ot-contrib-ms.png" alt="Microsoft" width="200px"></a><a href="https://nest.com/"><img src="doc/images/ot-contrib-nest.png" alt="Nest" width="200px"></a><a href="http://www.nordicsemi.com/"><img src="doc/images/ot-contrib-nordic.png" alt="Nordic" width="200px"></a><br />
-<a href="http://www.nxp.com/"><img src="doc/images/ot-contrib-nxp.png" alt="NXP" width="200px"></a><a href="https://www.qualcomm.com/"><img src="doc/images/ot-contrib-qc.png" alt="Qualcomm" width="200px"></a><a href="https://www.ti.com/"><img src="doc/images/ot-contrib-ti.png" alt="Texas Instruments" width="200px"></a>
+<a href="https://www.arm.com/"><img src="doc/images/ot-contrib-arm.png" alt="ARM" width="200px"></a><a href="http://www.atmel.com/"><img src="doc/images/ot-contrib-atmel.png" alt="Atmel" width="200px"></a><a href="http://www.dialog-semiconductor.com/"><img src="doc/images/ot-contrib-dialog.png" alt="Dialog" width="200px"></a><a href="https://www.microsoft.com/en-us/"><img src="doc/images/ot-contrib-ms.png" alt="Microsoft" width="200px"></a><a href="https://nest.com/"><img src="doc/images/ot-contrib-nest.png" alt="Nest" width="200px"></a><a href="http://www.nordicsemi.com/"><img src="doc/images/ot-contrib-nordic.png" alt="Nordic" width="200px"></a><a href="http://www.nxp.com/"><img src="doc/images/ot-contrib-nxp.png" alt="NXP" width="200px"></a><a href="https://www.qualcomm.com/"><img src="doc/images/ot-contrib-qc.png" alt="Qualcomm" width="200px"></a><a href="https://www.synopsys.com/"><img src="doc/images/ot-contrib-synopsys.png" alt="Synopsys" width="200px"></a><a href="https://www.ti.com/"><img src="doc/images/ot-contrib-ti.png" alt="Texas Instruments" width="200px"></a>
 
 OpenThread has been ported to several devices and platforms by both the OpenThread team and the community. Build examples for all supported platforms are included in the OpenThread project.
 
@@ -92,6 +90,7 @@ OpenThread has been ported to several devices and platforms by both the OpenThre
 * [Nordic Semiconductor nRF52840](https://github.com/openthread/openthread/wiki/Platforms#nordic-semiconductor-nrf52840)
 * [NXP KW41Z](https://github.com/openthread/openthread/wiki/Platforms#nxp-kw41z)
 * [Silicon Labs EFR32](https://github.com/openthread/openthread/wiki/Platforms#silicon-labs-efr32)
+* [Synopsys ARC EMSK with Microchip MRF24J40](https://github.com/openthread/openthread/wiki/Platforms#synopsys-arc-em-with-microchip-mrf24j40)
 * [Texas Instruments CC2538](https://github.com/openthread/openthread/wiki/Platforms#texas-instruments-cc2538)
 * [Texas Instruments CC2650](https://github.com/openthread/openthread/wiki/Platforms#texas-instruments-cc2650)
 * [POSIX Emulation](https://github.com/openthread/openthread/wiki/Platforms#posix-emulation)
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