Add OpenZeppelin (#599)

README.md

@@ -287,6 +287,7 @@ Name | Website | Region
 [OmbuLabs](/company-profiles/ombu-labs.md) | https://www.ombulabs.com/ | Worldwide
 [OmniTI](/company-profiles/omniti.md) | https://omniti.com/ | US
 [OpenCraft](/company-profiles/opencraft.md) ⚠️️ | http://opencraft.com/ |
+[OpenZeppelin](/company-profiles/openzeppelin.md) | https://openzeppelin.com/ | Worldwide
 [Oracle](/company-profiles/oracle.md) ⚠️️ | http://www.oracle.com/ | Worldwide
 [Our-Hometown Inc.](/company-profiles/our-hometown-inc.md) ⚠️️ | http://our-hometown.com/ | US
 [Over](/company-profiles/over.md) | https://www.madewithover.com/ | Worldwide

company-profiles/openzeppelin.md

@@ -0,0 +1,29 @@
+# OpenZeppelin
+
+## Company blurb
+
+OpenZeppelin provides tools to write, deploy and operate decentralized applications. We also protect leading organizations by performing security audits on their systems and products.
+
+## Company size
+
+26 members, distributed among: Australia, US, Canada, Russia, Costa Rica, Italy and Argentina.
+
+## Remote status
+
+We are a distributed team. Currently, many of our team members are located in Argentina, whereas the rest are spread around different places across the globe.
+
+## Region
+
+Where are remote employees accepted? **Worldwide**.
+
+## Company technologies
+
+Soldity, javascript, typescript, node.js
+
+## Office locations
+
+Buenos Aires, Argentina
+
+## How to apply
+
+https://openzeppelin.com/jobs/#openings