add thanks

Author: aljo242

README.md

@@ -197,3 +197,8 @@ We welcome open source contributions and discussions! For more on contributing,
 Cosmos EVM is open-source under the Apache 2.0 license, an extension of the license of the original codebase (https://github.com/evmos/OS)
 created by Tharsis and the evmOS team - who conducted the foundational work for EVM compatibility and
 interoperability in Cosmos.
+
+### Key Contributors
+
+We at ICL want to thank our key contributors at [B-Harvest](https://bharvest.io/) and 
+[Mantra](https://www.mantrachain.io/) for contributing to and helping us drive the development of Cosmos EVM.