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.
168 results
Showing 1-24 of 168
Successful Partnerships, Successful Projects
Project: Airmen's Dormitories, Scott Air Force Base
.jpg)
Quality MEP Engineering Services You Can Trust
Service detail: MEP Engineering Design
Cost-effective, one-stop engineering, surveying, and planning services
Project: Los Alamos County Golf Course Community Building

We build confidence
Project: Offset Success for Aviation Client

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.
Project: Technical Support Services for NAVFAC SE DCBL/DC 4

Connecting Ideas, Delivering Solutions.
Project: Secure Government-Tenant Facility MEP Renovations

Accelerating innovation through advanced rapid manufacturing solutions
Service detail: Engineering and Design

Advanced Engineering Consultants specializes in providing mechanical, electrical, plumbing, fire protection, technology, and utilities engineering design and construction administration services for the built environment. Established in 1998, the practice works collaboratively with owners, architects, and contractors across the Midwest, the nation, and globally. It has completed nearly 2,000 projects across diverse sectors including government, healthcare, education, and commercial markets.
Project: Columbus Division of Police Crime Laboratory Renovation

Allied Engineering Group is a consulting engineering firm located in downtown Tulsa, Oklahoma, providing mechanical, electrical, plumbing, and medical gas engineering services for a wide variety of project types. Founded in 1999, AEG brings together decades of MEP industry experience and has served state military facilities, commercial buildings, and educational institutions including Tulsa Public Schools.
Service detail: Mechanical Engineering
American Aerospace Engineering LLC (AAE) is an aerospace engineering and aircraft development practice founded in 2008 and based in Dallesport, Washington. It specializes in the research, design, development, prototyping, and regulatory certification of fixed-wing Vertical Take-Off and Landing (VTOL) aircraft. The practice holds multiple patents for VTOL key technologies, offering scalable designs ranging from 55 lbs to over 20,000 lbs gross weight for multi-mission commercial and military operations. It also provides aerospace engineering consulting, FAA flight test certification management, and specialized flight test engineering training courses.
Project: Eversor VTOL Aircraft Development
Building Relationships through Affordable Engineering Excellence
Service detail: Mechanical Engineering

Engineering and technical services for federal government agencies and defense programs
Service detail: Systems and Multi-Disciplinary Engineering

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection
Project: Mohs & GI Procedure Room Renovation
Your vision matters.
Service detail: Structural Engineering

Building Partners
Project: Bob Bolen Public Safety Complex

Consulting Engineers
Project: Audie L. Murphy Veterans Hospital - 5B Ward Renovations
Bellerophon Engineering LLC is an electrical engineering consultancy with 18 years of industry experience. Bellerophon Engineering LLC specializes in analog, RF, and mixed-signal circuit design, including design, manufacturing, integration, and testing of electronic systems.
Project: Computer Controlled Variable Power Supply
Service. Quality. Integrity.
Service detail: Planning, Permitting & Consulting
For today and tomorrow. Collaborative solutions designed for construction
Project: Puget Sound Health Care System Engineering Services

Mechanical, Electrical, and Plumbing Professional Engineers
Project: Women's Mental Health Services and Primary Care Clinic, VA Medical Center
We Are Engineering
Project: Women's Mental Health Services & Primary Care Clinic, VA Medical Center Hampton
We make buildings come to life
Project: Kirtland Air Force Base Microgrid Resiliency Project
Brittain Engineering, Inc. (BEI) is a multidisciplinary consulting engineering firm in Hickory, North Carolina, specializing in mechanical and electrical engineering for the construction industry. A registered professional corporation in North Carolina and South Carolina, BEI traces its practice to 1963 and provides professional engineering design services for military facilities, hospitals and medical centers, universities and schools, commercial buildings, correctional institutions, multifamily housing, industrial plants, churches, and airports. Additional services include life cycle cost studies, building performance modeling, energy analysis, fire protection design, and engineering studies.
Service detail: Mechanical Engineering
Shaping the built environment with precision, creativity, and purpose since 1945
Project: I-40/I-240 Interchange Improvements, Memphis, TN