STS is an engineering consulting firm specializing in integrated site development services for commercial, energy, government, industrial and transportation clients.

Since our establishment in 1948, we’ve grown to become one of the most diverse and respected engineering firms in the industry. Recognized for our capabilities in civil design, construction services, facilities support, high-rise foundations and transportation engineering, STS helps our clients succeed with unique and complex projects around the world. This international recognition has been further strengthened by our recent merger with industry leader, AECOM.

At STS, we work hard to create a culture that helps our employees achieve personal success and contribute to the success of our company.