O & S Services
Engineering Consulting and Electrical Engineering.
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Find the right engineering partner.
Explore capabilities, project experience, and office locations to build your shortlist.
Explore capabilities, project experience, and office locations to build your shortlist.
Engineering Consulting and Electrical Engineering.
Engineering Smarter Solutions
Emeryville, CA+1
MEP and Fire Protection Design and Mechanical Systems Design.
Rockville, MD
Real People. Real Solutions.
Lawrence, KS
Higher Standards. Better Results.
Cincinnati, OH+3
Where Power Becomes Predictable.
Lexington, KY
Experienced Design
To service our clients as if their projects are our own investments.
Honolulu, HI
Where creativity meets mission capability.
Houston, TX
MEP + Technology Engineering for a Digital World
Calabasas, CA
A-Plus Team Supporting the Renewable Industry
Albany, NY+2
Precision Industrial Control and Automation Engineering
Portland, ME
Electrical Engineering & Consulting
Pukalani, HI+1
Turnkey EPC Substations and Factory-Built Substations.
Pineville, LA
Engineering the Future
Baton Rouge, LA+3
Conquering Power Challenges, Solutions Driven Results
Electrical, Corrosion, and Forensic Engineering
Houston, TX
Professional electrical engineering and design solutions tailored to unique project goals
Ceres, CA
Clear Thinking
Brookfield, WI+1
Engineering for a Changing World
Best Engineering Solutions to Build Your Dreams
Dallas, TX
Elevating. Engineering.
Olathe, KS
Building Systems Engineering
Manassas, VA
Industrial motor, power and automation engineering services
Winona, MN+3