Federal Contracting

Professional Organizations

With our first federal contract in 1962, our firm offers a rare combination of experience in conjunction with our small size status. Interested in teaming for a project? Contact us.

DUNS: 006566640

CAGE Code: 48891

Small Business

NAICS Codes: 115310, 213112, 541330, 541350, 541360, 541360, 541370, 541380



GFA is pre-qualified with many organizations, but people tend to be the most familiar with the Michigan Dept. of Transportation's program. We are MDOT pre-qualifed for a wide variety of surveying, engineering and construction services.

Testing technicians, operators and other personnel maintain a large roster of certifications and licenses, which are listed on the individual pages.

Continuing Education

Our team members continually stay in touch with changes in the industry through our professional affiliations.