ABB Group
Sweden, Switzerland; engineering; construction; energy; power

Alliance Engineering Incorporated
USA, engineering and project services

AMEC plc
UK, engineering, construction, pipelines, marine

Arby Construction, Inc.
USA, Pipeline Construction, Gas Distribution, Compressor Stations, Directional Drilling, Electric, Underground Steam, Fiber Optic, Water, Telecommunication, or Manhole and Vault Construction

Asea Brown Boveri - Norway
Norway; ABB Global Engineering, ABB Lumus Crest, ABB Offshore Technology and ABB Vetco Gray; oil, gas and petrochemical engineering and construction

Baker Energy
USA, engineering, construction, and operations and technical services

BCCK Engineering Inc.
USA; nitrogen rejection, NGL recovery, and small to mid-sized refineries

Bechtel Group
USA; engineering; construction

BERGER/ABAM Engineers Inc.
USA, planning, design, and construction of offshore facilities