Client / Owner Base
- ABB
- AES
- Afton Generating Station
- Air Liquide
- Alabama Power
- Allpax
- Alstom Power
- AMEC Kamtech
- BASF
- Bartow Power Plant
- BE & K
- Black & Veatch
- Brassfield & Gorrie
- Burns & McDonnell
- Caledonia Power
- Calpine
- Chevron
- City of Tallahassee
- Cleco
- Constructors, Inc.
- Corps of Engineers
- Decator Energy Center
- Deltak
- Dynamic Fuels
- Eastman Chemical
- Enbridge
- Ergon
- Exxon Mobil
- Florida Power & Light
- Fluor
- Ford, Bacon & Davis
- Formosa Plastics
- Foster Wheeler Constructors
- Foster Wheeler Energy Corp.
- Foster Wheeler Limited
- FRU-CON
- Georgia Pacific
- Georgia Power
- Hopkins Generating Station
- Hunt Refinery
- Hyundai
- International Paper
- JK Spruce Station
- Jacksonville Electric Authority
- Jacobs
- James Construction
- Kellogg/Brown & Root
- Kiewit Offshore Services
- Lincoln Electric
- L-Con Constructors
- LL & G Construction
- Lockwood Greene
- Louisville Gas & Electric
- Marathon
- McDermott
- MEAG Power
- MMR
- Murphy Oil
- Navasota Energy
- NEPCO
- Northrop Grumman
- PCE Constructors, Inc.
- Packaging Corp of America
- PAX Cryogenics
- Pinnacle West
- Pratt Paper
- Reliant Energy Hunterstown
- Roberts Co.
- Santee Cooper
- Saxon Group
- Siemens Westinghouse
- Seminole Electric
- Shell
- Shintech
- Sinclair Oil
- Smurfit Stone
- SNC-Lavalin
- Southdown Cement
- Southern Companies
- Stanton Energy–Orlando Utilities
- Stennis Space Center
- Tampa Electric
- Temple-Inland
- Terra Chemicals
- Teton Industrial Group
- TIC
- Topcor
- Tractebel
- Trans-Gulf
- Valero
- Verenium
- Virginia Electric & Power
- VOGT-NEM
- Volks Construction
- Wawona Foods
- Weitz Agricultural
- West Plant Refinery
- Weyerhaeuser
- Zachry