Overview of STA

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.

A sister company of STA is Zeta Stewart Associates (ZSA). The main business of ZSA is provision of oilfield process equipment, with emphasis on separators, Separators Zeta-pdm, degassers and scrubbers, and more recently, hypochlorinators, Hypochlorinators.

STA offers a wide range of software, Software, for the design and analysis of marine and offshore systems. STA also offers instrumentation design, provision and overview/review. Professional disciplines within STA include:


Structural Engineering Naval Architecture Offshore Engineering Process Engineering with:	Process Engineering Cost Estimation Civil and Mechanical Engineering Hydraulics and Fluid Mechanics Geotechnical Engineering with emphasis on Soil/Structure Interactions

STA also specializes in dynamic analysis and design of dynamically responsive systems in the marine environment.