| Beosin | https://beosin.com/ |
| CertiK | https://www.certik.com/ |
| ChainSecurity | https://chainsecurity.com/ |
| code4rena | https://code4rena.com/ |
| ConsenSys Dilligence | https://consensys.net/diligence/ |
| DeFi Yield | https://defiyield.app/ |
| Hacken | https://hacken.io/ |
| Halborn | https://halborn.com/ |
| HashEx | https://hashex.org/ |
| iosiro | https://iosiro.com |
| Kudelski Security | https://kudelskisecurity.com/ |
| Least Authority | https://leastauthority.com/ |
| MixBytes | https://mixbytes.io/ |
| Omniscia | https://omniscia.io/ |
| OpenZeppelin | https://www.openzeppelin.com/ |
| Paladin | https://paladinsec.co |
| Pessimistic | https://pessimistic.io/ |
| PeckShield | https://peckshield.com/ |
| Quantstamp | https://quantstamp.com/ |
| Runtime Verification | https://runtimeverification.com/ |
| Solidified | https://solidified.io/ |
| Trail of Bits | https://www.trailofbits.com/ |
| Zokyo | https://www.zokyo.io/ |