- APWA – Kansas City (inactive)
- Corps of Engineers – Kansas City
- Corps of Engineers – St. Louis
- Division of Facilities Management, Design & Construction
- Kansas City, Missouri
- Metropolitan St. Louis Sewer District
- Mid-America Regional Council (inactive)
- Missouri Department of Natural Resources
- Missouri Department of Transportation (CD&NE)
- Missouri Department of Transportation (HQ)
- Missouri Department of Transportation (NW&KC)
- Missouri Department of Transportation (SE)
- Missouri Department of Transportation (SL)
- Missouri Department of Transportation (SW)
- Professional Design Alliance
- St. Louis Board of Public Service
- St. Louis Construction Alliance
- St. Louis County
ACEC/MO Liaison Bulletins
