• A&R Mechanical Contractors
• Aallied Die Casting
• Accenture
• AECOM
• Alfred Benesch & Company
• Applied Pavement Technology
• ARCO Murray National Construction
• ARCO/Murray
• Arco/Murray National Construction Company
• Arup
• Atlas Engineering
• Bain & Company
• Baxter & Woodman
• Beca Warnes Thailand
• Bleck Engineering Company
• Blinderman Construction
• Bloom Companies
• BNSF Railway
• Boeing
• Bollinger, Lach & Associates
• Bono Consulting
• Bono Consulting Civil Engineers
• Bowman, Barrett & Associates
• BP
• Brick By Brick Construction
• Brinkmann Constructors
• BSI Constructors
• Building Consultants
• Burns & McDonnell
• C2 Engineers
• Canadian National Railway
• CDM Smith
• CenturyLink
• CH2M
• CH2M Hill
• Chastain & Associates
• Christopher B. Burke Engineering
• Cia De Talentos
• City of Champaign
• CivilTech Engineering
• Clark Construction
• Clayco
• Clune Construction Company
• Cognizant
• Connelly Electric
• Cotter Consulting
• Crawford Murphy and Tilly
• CST Ltd Ghana
• CTDI
• d'Escoto
• Dashiell
• dbHMS
• Delta Airport Consultants
• Desman
• Donohue & Associates
• ECS Midwest
• Engineering Ministries International
• Engineering Resource Associates
• Engineering Services Group
• Epic Systems
• Eriksson Engineering Associates
• ESCA Consultants
• Exp Global Inc.
• ExxonMobil
• F.H. Paschen
• Farnsworth Group
• FCL Builders
• Federal Aviation Administration
• Fehr Graham
• FH Paschen
• Focus
• Fullerton Engineering
• Gilbane
• Gorove/Slade
• Great Lakes Dredge & Dock
• Greeley and Hansen
• Hanson Engineering
• Hanson Professional Services
• HBK Engineering
• HDR
• Hensel Phelps
• Hey and Associates
• HNTB
• HR Green
• Hughes & Smith
• IEA
• Illini Drilled Foundations
• Illinois Department of Transportation
• Integrys Energy Group
• Jacobs Engineering
• JMA Civil
• JMT
• John Burns Construction Company
• Johnson Wilbur Adams
• JRM Construction Management
• Judlau
• K Friese & Associates
• Kenrich Group
• Kiewit
• Kimley Horn
• Kimley-Horn
• KPFF Consulting
• KPMG
• Krusinski Construction Company
• KSK Construction Group
• Lake State Railway Company
• Lane Construction
• Langan Engineering & Environmental Services
• Larson Engineering
• Lendlease
• M.C. Dean
• Manhard Consulting
• Mass Electric
• McCarthy Building Companies
• McMahon Associates
• McShane Construction Company
• Meade Electric
• MeritCorp Engineers
• Michuda Construction
• Milhouse Engineering
• Morgan / Harbour Construction
• Morley
• Mortenson Construction
• Mosaic Engineering and Consulting
• NLP Concepts
• Norcon
• Norfolk Southern
• Novak Construction
• O'Brien and Gere
• Pacific Gas & Electric
• Partners Engineering and Science
• Path Construction Company
• Patrick Engineering
• Peak Construction Corporation
• Plote Construction
• Power Construction
• Prairie Engineers of Illinois
• Preservation Partners Management Group
• Primera Engineers
• Quigg Engineering
• R&G Engineering
• RailTEC
• Railworks Corporation
• Richard Group
• RJH Consultants
• RJN Group
• Roux Associates
• RS&H
• Sargent & Lundy
• Schuff Steel Company
• Sharma & Associates
• Shawmut Design And Construction
• Shell
• Shive-Hattery
• SI Engineering
• Simpson Gumpertz & Heger
• SKS Engineers
• SMA und Partner AG
• Sound Structures
• SPACECO
• Spaceman and Mammoth
• Stacy And Witbeck
• Stalworth Underground
• Stanley Consultants
• Strand
• Strand Associates
• Stratford Engineering
• Sunbelt Rentals
• Synergy Construction Group
• The Boldt Company
• The Kenrich Group
• The Korte Company
• The Lane Construction Corporation
• The McShane Companies
• The Walsh Group
• The Whiting-Turner Contracting Company
• Thirteen RF
• Tishman Construction
• TranSystems Corporation
• Tribco Construction Services
• Trotter & Associates
• Trotter and Associates
• Turner Construction Company
• U.S. Army Corps of Engineers
• Union Pacific Railroad
• University of California, Berkeley
• University of Illinois at Urbana-Champaign
• University of Illinois at Urbana-Champaign, iVenture Accelerator
• Urban Design Consulting Engineers
• V3 Companies
• VCL Construction
• Vequity
• W-T Engineering
• W.E. O'Neil Construction
• Walsh Construction
• Warwick Hotels and Resorts
• Washington State Department Of Transportation
• WBK Engineering
• Weaver Consultants Group
• West Monroe Partners
• Whiting-Turner
• Wight & Company
• Wiss, Janney, Elstner Associates
• Xerion Battery
• YJ