Prairie Engineers, P.C. is prequalified with the Illinois Department of Transportation in the areas of:

  • Highways – Freeways
  • Highways – Roads and Streets
  • Location Design Studies – Reconstruction/Major Rehabilitation
  • Location Design Studies – Rehabilitation
  • Hydraulic Reports – Waterways: Typical
  • Airports – Design
  • Airports – Construction Inspection
  • Special Services – Construction Inspection
  • Special Services – Sanitary
  • Special Services – Surveying 
  • Special Studies – Feasibility
  • Special Studies – Location Drainage 
  • Special Studies – Traffic Signals
  • Environmental Reports – Environmental Assessment

Illinois Department of Transportation Environmental Disciplines

  • Community Impacts
  • Ecology
  • Noise
  • Water
  • Public Involvement
  • Technical Writing

Illinois Department of Transportation Land Acquisition Services

  • Negotiator
  • Specialty Appraiser

Prairie Engineers has been prequalified with the Illinois Capital Development Board in the areas of:

  • Civil Engineer
  • Land Surveying


Prairie Engineers, P.C. is certified as:

8a Certified with the US Small Business Administration

Disadvantaged Business Enterprise (DBE) with the Illinois Department of Transportation (IDOT).

Female Business Enterprise (FBE) under the Business Enterprise Program of the State of Illinois.

Disadvantaged Business Enterprise (DBE) with the Missouri Regional Certification Committee and Missouri Department of Transportation (MoDOT).

Certified Minority and Women Business Enterprise (MWBE) with the Metropolitan St. Louis Sewer District (MSD)

Woman Business Enterprise (WBE) for City of St. Louis / St. Louis Lambert International Airport

WBENC-Certified Women Business Enterprise (WBE)

Economically Disadvantaged Woman Owned Small Business (EDWOSB) with the US Small Business Administration.

Disadvantaged Business Enterprise (DBE) with the North Dakota Department of Transportation.