Stewart Technology Associates (STA) is an international engineering consultancy specializing in offshore and marine structures. STA was founded by Bil Stewart in 1986 and is based in Houston, Texas. Prior to forming STA Mr. Stewart was Vice President of DnV in the USA, responsible for all technical work of the Society in the USA.

STA has a wide range of clients from around the world, including major oil companies, drilling contractors, other engineering companies, government agencies, and financial institutions. Our company and our associates have extensive offshore experience in a multitude of engineering disciplines. This experience coupled with STA's vast arsenal of state of the art engineering software and 2000 book technical library enables us to provide our clients with cutting edge engineering services.