- A. Morton Thomas & Associates, Inc.
- ADTEK Engineers, Inc.
- Architect of the Capitol
- American University
- Angler Environmental
- Avon Corporation
- Ayers Saint Gross Architects & Planners
- Berkel & Company Contractors, Inc.
- Calvary Redeeming Methodist Church
- CECA, LLC
- Clark Construction Group, LLC
- DCMM Architects
- Delon Hampton & Associates, Chartered
- Dhillon Engineering, Inc.
- DiMella Shaffer
- EE Cruz Co, Inc.
- Environmental Quality Resources, LLC
- Finley Asphalt & Sealing
- Fort Washington Baptist Church
- Francis O. Day CO., Inc.
- Grimm + Parker
- Group Goetz Architects
- Grunley Construction Company, Inc.
- GWWO Architects
- Highway Safety Services
- HITT Contracting. Inc.
- Insight, LLC
- James G. Davis Construction Corporation
- Jordan Honeyman Landscape Architecture, LLC
- Kim Engineering
- Martins Construction Corp.
- Maryland Department of General Services
- Maryland State Highway Administration
- Mckissack & Mckissack
- Michael Baker Corporation
- Montgomery County DHCA
- Morgan State University
- Morris & Ritchie Architects
- Morris-Shea Bridge Co., Inc.
- Oscar Renda Contracting
- Peak, Inc.
- Polu Kai Services
- RMF Engineering, Inc.
- Rustler Construction, Inc.
- SAK Construction
- Sheladia Associates, Inc.
- SIGAL Construction Corporation
- Smoot Construction
- The Redeemed Christian Church of God
- Thomas L. Brown & Associates, Inc.
- Ulliman Schutte Construction, LLC
- University of Maryland
- Waynesboro Construction Co, Inc.
- W.M. Schlosser Company, Inc.
- Whiting-Turner Contracting Corp.
- Wiley Wilson
- Wilmont Sanz, Inc.
- World Missions Ministries