Skip to content

Engineering Firms.us

Directory Locations Services Industries

Loading account…

Loading directory…

Engineering Firms.us

© 2026 Demand Delta

Firm types About Directory support Privacy Terms

Find the right engineering partner.

Explore capabilities, project experience, and office locations to build your shortlist.

Find an engineering firm

Refine your search

2

oil-and-gas×testing-services×

State

TX2

CO1

IL1

MO1

NM1

City

Houston2 Champaign1 Denver1 Las Cruces1 Salt Lake City1

Firm types

Forensic Engineering3 Materials Testing3 Aerospace Engineering2 Defense Engineering2 Materials Engineering2

Industries

Oil & Gas5 Aerospace14 Defense12 Government9 Commercial8

Services

testing-services0 Civil Engineering112 Construction Management87 Structural Engineering87 Project Management83

Firm size

10–49 employees1

testing-services oil-and-gas

Citadel Engineering Company

Where Precision Meets Reliability

Salt Lake City, UT

Marino Engineering Associates, Inc.

Advanced Geotechnical, Subsidence, and Forensic Engineering

Firm types About Directory support

St. Louis, MO+2

Stress Engineering Services, Inc.

Forward-thinking solutions and a tenacious commitment to cutting edge ideas.

Houston, TX+1

Technology In Practice LLC

Aerospace engineer-founded engineering, fabrication, and testing solutions

WHA International, Inc.

We Simplify Safety

Las Cruces, NM+2