Our Staff

Engineering Design Associates is a Casper-based consulting firm that specializes in facility construction and renovation design. Through our wide range of experience with facilities across Wyoming, we have developed an extensive understanding of the capability, maintainability and effectiveness of electrical, mechanical and plumbing systems under the state’s unique environmental conditions.

We rely on our expertise, first-rate customer service, integrity, professionalism and efficiency to provide our clients with a superior consulting experience.


Jak Peden Hollinger, P.E., C.E.M.

Mechanical Engineer


Kevin J. Schilling, P.E.

Electrical Engineer


Monte N. Schaff, P.E.

Electrical Engineer


Andrew B. Elston, P.E., LEED AP

Mechanical Engineer


Wesley G. Spalding, EI.

Project Engineer