Print- Africa and Middle East: Ethiopia, Iraq, Oman, Qatar
- Asia: India
- United States: AR, DC, DE, FL, GA, MA, NJ, NY, NC, OH, PA, SC, TN, VA, and WV
- Federal Aviation Authority
- Federal Bureau of Prisons
- Federal Highway Administration
- US General Services Administration
- United States Military: Air Force, Army, Homeland Security, Marine Corps, National Guard, Navy
- National Aeronautic & Space Admin.
- National Institute of Environmental Health Sciences
- National and International Airports
- National Park Service
- US Environmental Protection Agency
- United States Departments of: Agriculture, Interiors, Labor
- US Dept. of Defense, Pentagon
- US Army Corps of Engineers
- United States Postal Services
- Veteran Affairs/Military Hospitals
- Departments of Transportation (DE, MD, MA, NC, PA, SC, VA)
- Department of Construction
- Department of Public Safety/Corrections
- Department of Cultural Resources
- Department of Environment
- Department of Environment and Natural Resources
- Department of General Services
- Dept. of Health & Human Services
- Department of Public Works
- Hospitals and Medical Facilities
- National Guards
- Port Authorities
- State and Regional Airports
- State Universities
- Turnpike Authority
- County Administrations
- City/Town Governments: Baltimore, Bowie, Cary, Charlotte, Church Hill, Concord, Durham, Fayetteville, Greensboro, Greenville, Havre-de-Grace, Hickory, Kinston, Morrisville, Newport, Raleigh, Richmond, Rising Sun, Washington, D.C., Wilmington, Winston-Salem
- Municipal/County Governments: Alamance, Davidson, Durham, Frederic, Hoke, Lenoir, Robeson, Wake
- Transit Authorities for Trains and Bus terminals/corridors: Concord, Durham, Greensboro, Greenville, Fayetteville
- Duke University
- East Carolina University
- Fayetteville State University
- Guilford Technical Community College
- Morgan State University
- North Carolina Central University
- North Carolina State University
- Towson State University
- UNC-Chapel Hill
- UNC-Greensboro
- Winston-Salem State University
- Wake Technical Community College
- Alamance County Public Schools
- Baltimore County Public Schools
- Carroll County Public Schools
- Durham Public Schools
- Durham Academy
- Granville County Public Schools
- Guilford County Public Schools
- Hoke County Public Schools
- Lenoir County Public Schools
- NC School of Science & Math
- Wake County Public School System
- Washington D.C. Schools
- Resolution Trust Corp.
- Utility Commissions
- Washington Metro Area Transit Authority (WMATA)
- Washington Suburban Sanitary Commission (WSSC)
- Go Triangle
- 3D/International
- AECOM
- AMEC
- AT&T
- Atkins
- Baker
- Baltimore Gas and Electric Company
- Banks
- BE&K/KBR
- Bechtel
- Benham
- Black & Veatch
- Blood & Cancer Center
- Blue Ridge Health Care
- Brown and Caldwell
- Buchart-Horn, Inc.
- Camp Dresser McKee
- Carolantic Engineering
- Century Engineering
- CH2M Hill
- Choate Construction
- Credit Unions
- Crown Petroleum
- CSX Transportation
- Dames & Moore
- Davis Renn & Associates, Inc.
- Dewberry
- Dellinger, Inc.
- DMJM
- Duke Power
- Duke University & Hospitals
- Earth-Tech
- East Group
- EBA Engineering
- Flour Daniel
- Gannett-Fleming, Inc.
- Garner & Brown
- GEI Consultants
- GHD
- GSK
- Golder Associates
- Hazen & Sawyer
- HDR
- Heery
- HNTB
- Honeywell Tech
- Hotels
- Hydro-Terra Group
- Jacob Engineers
- KCI
- Kemron Environmental
- Kimley-Horn
- Lewis Zimmermann & Associates
- LPA Group, Inc.
- Malcolm-Prinie
- McKim and Creed
- Mueser Rutledge
- O’Brian & Gere
- Paces Construction
- Parsons
- PB World
- PIC Energy
- Pond & Company
- Purdue Pharmaceuticals
- RK&K/Rummel Klepper Kahl
- Salut, Inc.
- Shaw Group / IT
- Skanska
- Spectrum Contracting
- St. Regis Luxury Resorts
- Stantec/American Engineers
- T. A. Loving
- TerraTech
- T.Y. Lin International
- URS
- Weston Solutions
- Whitman Requardt
- Wilbur Smith
- Wiley & Wilson
- Wood Partners
