Founded over 70 years ago, Edminster, Hinshaw, Russ and Associates, is the second oldest engineering firm in Houston. Offering a broad range of services from engineering design, surveying, and land planning to landscape architecture and construction management, the firm was established in 1936 as Edminster Engineering Company by its founder Truman C. Edminster, Sr. in Houston, Texas.

Truman C. Edminster, III and James B. Russ, third and fourth generations respectively, have continued the legacy of R. Terry Russ, Conrad Hinshaw and Truman C. Edminster, Jr.

In an era of faceless corporate entities, we take pride in the fact that we are still family owned and operated. The depth of family stewardship and breadth of firm experience allows us insight into innovative, effective project planning and design while maintaining economic viability.

With offices in Houston and Amarillo, the firm services markets throughout Texas.You can expect the highest quality professional service built on a legacy of performance.