Clayco, Turner Construction, Barton Malow, Mortenson, Miron Construction, JE Dunn Construction,  Ryan Cos, Lendlease, Gilbane Building, Walbridge, F.A. Wilhelm Construction, Kokosing Group of Companies, McCarthu Building Cos, Messer Construction Co, Arco Construction, Gray Construction,  FIndorff, James McHugh Construzction, The Boldt, A Team Construction, Power Construction, Walsh Group, Clark Group, Pepper Construction, F.H. Paschen, Whiting-Turner Contractors, Leopardo, Skender, Tonn & Blank, O’Neil Industries, Riley Construction, Wight & co,  Kiewit, Torcon, Alexander Holdings, Graycor, Jacobs, Judlau/OHL Group, Lane Construction, Permasteelisa North America, PGI, Shawmut Design & Construction, Skanska USA, Walsh JV, Structure Tone, Suffolk Construction, Tradesmen International, Tutor Perini Corporation, Bechtel, Walsh Construction Company, Clune Construction, CMA, Commercial Contracting Corporation, Donofrio General Contracting, Empire, Equity Residential, EW Howell Construction Group, JRM Construction Management, JT Magen, Legacy Builders, Schimenti Construction Co., STV, T. G. Nickel & Associates, The Rinaldi Group, The Telcar Group, Triton Construction, UA Builders Group

Burns & McDonnell, AECOM, HDR, HNTB, Stantec, WSP USA, Terracon Consultants, Arcadis North America, Kimley-Horn, American Structurepoint, Parsons Corp., IMEG Corp., Transystems, DLZ Corp., BARR Engineering, The Burke Group, Alfred Benesch, DLR Group, Short Elliott Henrickson, Strand Associates, Gensler, HOK, Perkins+Will, Hufft Projects, DLR Group, bKL Architecture, HDR, Snow Kreilich Architects, FXCollaborative, Locus Architecture, Marx Okubo Associates, Blender Architecture, SOM, Booth Hansen, Perkins Eastman Architects, Burns and Beyerl Architects, Peter Marino Architect, The One Group, SHoP Architects, Skidmore Owings & Merrill, Array Architects, Society of American Registered Architects, Design Republic, UAP, KPF, Robert A.M. Stern Architects, Unispace, Moody Nolan, Sargenti Architects, Hazen and Sawyer, JGMA, Woods Bagot, Wakefield Beasley & Associates, Krueck Sexton Partners, NV5, Cordogan Clark & Associates, Adrian Smith + Gordon Gill Architecture, Bermello Ajamil & Partners, Architects, TPG Architecture.

Sterling Bay, Related Midwest, CA Ventures, McLaurin Development Partners, Inland Real Estate Group, Conor Commercial Real Estate, The John Buck Company, Magellan Development Group, Urban Retail Properties, Stream Realty Partners, Lincoln Property Company, Newmark, TCN Worldwide, Marcus & Millichap, Walker & Dunlop, Avison Young, Nai Hiffman, Riverside Investment & Development,  Lee & Associates, Northmarq, SVN International, Block Real Estate, Signature Associates, Coldwell Banker Commericial, Greystar, Jameson Commercial, Brennan Investment Group, Brookfield Properties, MMG Real Estate Advisors,  Encore Real Estate Investment Services, Hines Group, Friedman Real Estate, Colliers, eXp, Income Property Organization, DarwinPW Realty, Horvath & Tremblay, Pace Properties, Scannell Properties, Ambrose Property Group, The Opus Group, Graycor, CRG, Block Real Estate Services, Cushman & Wakefield, US Capital Development, Venture One Real Estate, HSA Comercial Real Estate, Becknell Industrial, Centerpoint Properties, Ashley Capital, Hunt Midwest, Bridge, Flaherty & Collins, Oppidan Investment, R&R Realty Group, Noddle Development Company, Beztak, Mavrek Development, Oxford Property Group,  WeWork, Colliers International, City of Chicago, Hill International, Dept of Transportation, Simon Property Group, Skanska, CBRE, Lendlease, LTU, Arcadis, Related Midwest, Tishman Speyer, IRG Realty Advisor, Halmar International, The LiRo Group, Rose Associates, L+M Development Partners, Extell Development Company, Legacy Builders/Developers, RXR Realty, Wexler associates, Mega Contracting, BuildingLink, CBRE, Citi Habitats, Corcoran, Compass, Keller Williams, PGI, The Corcoran Group, UBS, Sotheby's International Realty, JLL, and hundreds of others.  

Arup, Cohesion, Milhouse Engineering and Construction, Dedert Corporation, Adept Engineering Solutions, WT Group, Greenprint Partners, ABNA Corporation, TERRA Engineering Langan, Amec Foster Wheeler, BuroHappold Engineering, Dewberry Engineers, Hill International, Mott MacDonald, HOK, CannonDesign, Jacobs Engineering, HNTB Corp, WSP / Parsons Brinckerhoff, Gannett Fleming Engineers & Architects, Turner Construction Company, Thornton Tomasetti, Skanska Building, Arup, STV Incorporated, Con Edison, Permasteelisa North America, Lockheed Martin, Permasteelisa, CDM Smith, KPFF Consulting Engineers, Hilti, Burns & McDonnell, Arcadis, Pennoni, TRC Engineers, Hatch Associates Consultants, Stantec, Distech Controls, Gilbane Federal, Intertek, Entech, HNTB