303rd Engineering Group, LLC
St. Louis, MOSuccessful Partnerships, Successful Projects
Project: Airmen's Dormitories, Scott Air Force Base
Public engineering firm directory
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
1,314 results
Showing 1-24 of 1,314
Successful Partnerships, Successful Projects
Project: Airmen's Dormitories, Scott Air Force Base
Civil, Structural, and Construction Engineering Services
Service detail: Structural Engineering

Engineering & Consulting for the Built Environment
Project: DEN B-East & C-East Concourse Expansions

Full-Service Architecture & Engineering Design
Project: Eastern Mirage Hotel & Medical Center

Straight-forward realist architecture and highly integrated client services.
Service detail: Architectural Design Services
Full-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm
Service detail: Mechanical Engineering
A Kingdom-Minded Architecture, Interior & Product Design Firm
Project: Lafayette Animal Shelter and Care Center

See it. Solve it. Stand by it.
Service detail: Civil Engineering

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.
Project: Validation of an Aseptic Vial Filling Line

Creating A Safer Tomorrow, Today
Service detail: Industrial Hygiene
A.M. Structural Engineering is a consulting structural engineering firm providing services for residential, commercial, institutional, industrial, government, and religious structures. Founded by David Wagner, P.E., its engineers have served as engineer-of-record on thousands of projects, ranging from residential deck additions to multi-story historic building renovations and additions. The team of three licensed structural engineers and one technician brings more than 50 years of combined consulting experience and holds licensure in Minnesota, Wisconsin, Colorado, Iowa, South Dakota, Wyoming, and North Dakota.
Service detail: Existing Structure Services

Providing Engineering Solutions for Sustainable Infrastructure
Project: Lummus Park Waterfront Redevelopment

Structural Engineering & Design
Project: Nightingale School
Professional environmental site assessments and due diligence services nationwide
Project: Windmill Farm Initial Planning Study
ABD Engineers & Surveyors, LLP is a civil engineering and land surveying firm founded in 1987 and headquartered in Schenectady, New York. Serving clients throughout Upstate New York and the Capital Region, it has built its reputation on residential, commercial, and municipal projects including subdivisions, site developments, senior housing, hotels, schools, correctional facilities, and commercial parks. ABD's partners bring deep expertise in the New York State permitting process, working with NYSDEC, NYSDOT, USACE, FEMA, and local municipal boards.
Service detail: Civil Engineering

Civil & Structural Engineering, Design Services, General Contracting, and Construction Management
Project: Washington Avenue Streetscape Project

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.
Service detail: Asbestos Services
Your Partner for Efficient and Effective Design
Project: Belmont University Massey Center
We Make Building Projects a Better Value
Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Advancing Public Safety and Efficiency within the Built Environment
Service detail: Architectural and Engineering Design

AECOM is a trusted global infrastructure firm delivering professional services spanning cities, transportation, buildings, water, new energy, and the environment. Founded in 1990, with predecessor firms dating back over 120 years, AECOM is ranked #1 in general building, transportation, and water by Engineering News-Record (2025), listed at #259 on the Fortune 500, and generated $16.1 billion of revenue in fiscal year 2024. AECOM delivers planning, design, engineering, consulting, and program and construction management services throughout the full project lifecycle.
Service detail: Planning and Design
Sustainable, Innovative Engineering Solutions
Service detail: Engineering, Consulting and Design
Converged Engineering Services
Service detail: Geotechnical Testing

Professional Project Management Group
Project: Harris County Emergency Corps Building Projects