- 123 Engineering
- American Bridge Company
- American Consulting Engineers
- Arenas & Asociados - Spain
- Associated Engineering
- Michael Baker Corporation
- BERGER/ABAM Engineers, Inc.
- Berger, Lehman Associates, P.C.
- Bestech Systems Ltd.
- Biggs Cardosa Associates
- Black & Veatch, Inc.
- Bowser-Morner - Inspection and
- Bridge Automation
- Bridge Diagnostics Inc - Bridge
- BridgeSight Corporation - Bridge engineering
- B & S Engineering
- Buckland & Taylor Ltd.
- Burns and McDonnell Engineers
- Campbell Scientific - Bridge
- Case Foundation - Deep foundation specialists
- C.C. Parker Consultants Limited
- C. Felice & Company, LLC Foundation
design, construction engineering and CSL testing services
- CH2M Hill, Inc.
- Conecuh - Precasters and Designers
- COWI - Consulting engineers
- Dar Al-Handasah Consultants (Shair and Partners)
- Delich Roth & Goodwillie, P.A. Engineers
- Delta Engineers, P.C.
- DMJM International
- Dokken Engineering
- Dorman Long Technologies -
Consultants and specialist contractors for erection of major bridges, including suspension
and cable stay bridges
- E.C. Driver & Associates -
- Engineering Dynamics
- Environmental and Construction
Enterprises - Inspection
- Excel Bridge Manufacturing - Engineers and
prefabs ped. & single lane vehicle bridges
- Experimental Dynamic
- EQE International, Inc.
- Figg Engineering Group
- Finley-McNary Engineers Inc.
- Formula - Bridge & pile contractors
- GAI Consults
- Gannett Fleming
- Gifford and Partners - UK
- Gridins Enterprises ( Industrial Mountaineering -
Inspection and maintenance repairs of bridges)
- Hardesty & Hanover, LLP
- HDR, Inc.
- HNTB Corporation
- Ben C. Gerwick Inc. - Marine concrete technology
- Horner & Shifrin, Inc
- HSMM, Inc. - Highway & RR Insp. Rehab & Design
- Huntington Design Associates, Inc.
- Hunterton County's Stone Arch
- Imbsen and Associates, Inc.
- Inca Engineers, Inc.
- Infinity EngineersDr. Schueller's Infinity Quiz!
- J. Muller International
- KEDMOR - Structural engineers
- L.A. Gates Company - Design services for simple,
multi-span and curved highway bridges
- Lichtenstein Consulting Engineers
- LoadTest Inc. - Specialists in testing of
- Losch Engineering Corporation
- LPA Group
- Mageba USA - Specialists in bridge bearings, expansion joints, seismic devices
- MAADI Group - Aluminum pedestrian bridges
- Mark Thomas & Co., Inc.
- Martin, Rivett & Olson, Inc.
- Maybey and Johnson
- Modjeski and Masters
- Moffatt & Nichol Engineers
- Morris Engineering and J.M. Construction - Specialists in small span steel beam, steel truss, precast concrete, cast-in-place concrete, and railcar girder bridges
- NECO Engineers
- Parsons Brinckerhoff
- Paxton Mitchell Co.
- PJSI Consultants
- Ponting - Consultants from Slovenija
- Powell-Williams Architects - Innovative
- Powers and Scrham
- Pyper Engineering -Structural and Forensic
Engineering in Florida
- Quincy Engineering - Excellent California-based
- Ralph Whitehead and Associates
- REIDsteel - Steel Bridge Design
- Robert W. Hunt Co.
- Roger Bullivant - Foundation design and
- Rummel, Klepper & Kahl,
- SAI Consulting Engineers
- SC Solutions, Inc.
- Schlaich Bergermann und Partner, Stuttgart, Germany
- Specialty Engineering, Inc.
- Skilling Ward Magnusson Barkshire, Inc.
- Sofis Company - Bridge
- SRF Consulting Group
- Terra Associates - Specialists in earth
- Toltz, King, Duvall, Anderson & Associates, Inc
- Tremblet S.A.
- T.Y. Lin International
- Tylk, Gustafson and
- Up and Under Group - Bridge inspection and
- URS Corp.
- US Bridge
- VelaVKE - Consulting Engineers
- Viathor - Bridge software
- VSL - Specialists in
- W. Koo & Associates
- Weidlinger Associates, Inc.
- Wilbur Smith Associates
- York Bridge Concepts