AC Technical Service, A. Morton Thomas and Associates, Inc. (AMT), AM King Group, AMEC Foster Wheeler, American Airlines, AsahiKASEI, ATCS, PLC, B&W Fiberglass, BGE Inc., Black & Veatch, Blythe Construction, Blythe Development Co., Britt, Peters & Associates, Inc., Cardno, Byers Engineering, CALYX Engineers & Consultants, Carolina CAT (49er Gold), Chesapeake Containment Systems Inc., (49er Gold), CIMTEC Automation, LLC, City of Charlotte- Engr. and Property Mgnt. Dept., Clark Nexsen, ColeJenest & Stone (49er Gold), Continental Automotive Systems (49er Gold), Control Source, Corning Inc., (49er Gold), Cummins, Doosan Bobcat, DRMP, Inc., Duke Energy, Eaton Kings Mountain, Electrical Consulting Engineers (ECE), Engineering Consulting Services (ECS), English Construction Company, ESP Associates, Inc., E.S. Wagner Company, FCCC -Freightliner Custom Chassis (49er Gold), Fitzpatrick Engineering Group, Flatiron Construction, Fontaine Modification (49er Gold), Framatome, Gannett Fleming, GHD, Gilbane Building Company, The Haskell Company (49er Gold), HBD Industries, Inc., HDR Inc., Honda R&D Americas (49er Gold), Ingersoll Rand (49er Gold), Kimley-Horn, LaBella Associates, D.P.C., LandDesign Inc., Legrand, Little, McAdams (49er Gold), McKim & Creed, Inc., Merrick & Company, Messer Construction, Metlife Global Technology (49er Gold), Metromont Corporation, MiTek USA, Inc., Morgan Corp., NAVAIR (49er Gold), Naval Nuclear Engineering, NC Dept. of Transportation, Night Vision & Electronic Sensors Directorate (NVESD), Northrup Grumman Synoptics, Parrish and Partners, LLC, Pike Engineering, POWER Engineers, Inc., Professional Service Industries Inc. (PSI), Ramey Kemp & Associates, RK&K, RoviSys Building Technologies, RS&H, Schaeffler (49er Gold), Schneider Electric, Schweitzer Engineering Laboratories (SEL), Sealed Air (49er Gold), SEPI Engineering & Construction, Siemens Energy, SKA Consulting Engineers Inc., Software Toolbox, Sloan Construction, Stanley Engineered Fastening, SteelFab Inc., Storm Technologies, Summit Design & Engineering Services, SUMMIT Engineering, Laboratory & Testing PC, Syska Hennessy Group, Talbert, Bright & Ellington Inc., Tata Consultancy Services, TE Connectivity, Terracon Consultants Inc., The Branch Group, The Lane Construction Company, The Whiting-Turner Contracting Company, Thomas and Hutton, Timmons Group, Tindall Corp., Trutegra, TTI Floorcare (49er Gold), Turner Construction, United Technologies Corp. (49er Gold), Urban Design Partners, Utilis, Volvo Group (49er Gold), Wade Trim, Wharton-Smith Inc., WK Dickson, Zachry Construction Corp., and Zapata Inc.