Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
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Bring Life to Buildings
Project: California State Capitol Annex Replacement
Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.
Service detail: Navy Ship Repair and Modernization
Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.
Service detail: Mechanical Engineering
Oldham Engineering, Inc. is a mechanical engineering consulting firm on the Alameda waterfront, founded in 1995 by John Oldham and now led by principal J. Matthew Denny, P.E. It provides HVAC, plumbing, and controls design for hospitals, office buildings, and schools across the San Francisco Bay Area, with deep experience in the mechanical retrofit of existing buildings and central plant systems. More than 500 Bay Area healthcare projects - ranging from single-room remodels to 30,000-square-foot hospital and 50,000-square-foot office renovations - reflect a practice built on direct field investigation: engineers go above ceilings to document actual duct and pipe conditions before design, rather than relying on as-built drawings, reducing change orders and keeping construction on schedule.
Project: ABSMC Summit Dietary and MRI
Engineering Excellence
Project: Massachusetts Institute of Technology, Central Plant Upgrade