A1 Engineering Limited Multi-disciplined fabrication and engineering firm specialising in structural steelwork, plant maintenance, piping installation (including LPG), design, manufacture, repair, and site installation. http://www.a1engineeringltd.sagenet.co.uk/

Alan Conisbee and Associates Consulting structural engineering practice founded in 1982 with over 50 staff. http://www.conisbee.co.uk/

American Institute of Steel Construction, Inc A non-profit association represents and serves the structural steel industry in the U.S. http://www.aisc.org/

Apex Geosience Inc. Geotechnical engineering services. http://www.apexgeo.com

Applied Technology Corporation Structural engineering consultants specialize in precast, prestressed concrete design for construction of low- and high-rise buildings, parking garages, bridges, offshore platforms and special structures. http://www.precastdesign.com/

Aschettino Associates, LLC A structural engineering firm with extensive experience in building design and forensic investigations. http://www.aschettino.com

Atlantic Engineering Services Structural Engineering Consultants licensed in all 50 states, Canada and Puerto Rico http://www.atlanticengineering.com/

Blackwell Engineering Structural engineering firm in Toronto, Canada. http://www.blackwell.on.ca

Buckland & Taylor Ltd. Designing and constructing bridges of all types and sizes and unusual or complicated structures. http://www.b-t.com/

Cagley, Harman & Associates, Inc. We provide quality structural engineering and parking facility design services. http://www.cagleyharman.com

Carruthers and Wallace Limited Toronto, Canada based consulting firm also providing structural feasibility studies and construction analysis. Includes firm profile, description of services, portfolio of projects. http://www.cw-eng.com/

Comtek Advanced Structures Ltd. Practical application of advanced composite materials technology, for repair, design-build manufacturing and consulting engineering services http://www.comtekadvanced.com/

CSEI Stress And Failure Finite Element Analysis Providing stress analysis for the design of fabricated structures and manufactured products. Failure and vibration analysis. http://www.cseinc.org

Curtins Consulting Engineers Co-ordinated civil, structural, mechanical and electrical engineering services. http://www.curtins.com

cwt national welding certification and testing bureau welding certification, inspection, non destructive testing, welder certification accreditation AWS, ASME http://www.weldingcertification.com

DASSE Design Inc. Offer structural engineering services to architects, developers, building owners and government agencies from offices in San Francisco, Irvine and Oakland California. http://www.dasse.com/

Degenkolb - Consulting Structural Engineers structural design; seismic analysis, evaluation, and strengthening solutions, earthquake risk reduction, historic building retrofit and rehabilitation http://www.degenkolb.com

Eclipse Engineering, Inc. A structural engineering firm located in Missoula, Montana. http://www.eclipse-engineering.com/

Ehsan Engineering Offers structural engineering services for architects, contractors, and owners of commercial, institutional and residential buildings. http://www.ehsan-engineering.com/

Emerald Coast Design Build, Inc. Engineering, design, inspection, and construction management. Destin, Florida. http://www.ecdb.net/