Offshore Scaffolding Sales
- Supplies scaffolding and ancillary equipment to major onshore construction projects and offshore projects in the oil, gas and petrochemical industries.
- http://www.offshorescaffoldingsales.co.uk/

Christiansen Engineering Group
- Specializes in engineering, procurement, and construction management for the oil and gas industry in Alberta and Western Canada.
- http://www.christiansenengineering.com/

Matrix Service Company
- Holding company with subsidiaries which provide on-site maintenance and construction services for petroleum refining and storage facilities and water storage tanks and systems for the municipal and private industry sector. (Nasdaq: MTRX).
- http://www.matrixservice.com/

Twachtman Snyder and Byrd, Inc.
- Provides complete management services for the oil and gas industry. Services include decommissioning, removal and reuse of offshore facilities, and areas relating to platform construction and maintenance. Based in Houston, Texas.
- http://www.tsboffshore.com/

Sunland Construction, Inc.
- Pipeline, compressor station and directional drilling construction company in the Southeast, South Central and Rocky Mountain regions of the US.
- http://www.sunlandconstruction.com/

Fire Creek Resources Ltd.
- Well site preparation and construction, well site supervision and project management. Operating in Canada.
- http://www.fire-creek.com/

Construction and Assembly Firm Blok
- Specializes in pipeline, storage and production facility construction and maintenance. Based in Russia.
- http://www.blok-caf.ru/

Cimarron Engineering Ltd.
- A full service engineering company offering engineering and construction management services to the oil and gas, energy and utility industries. Calgary, Alberta Canada.
- http://www.cimarron.ab.ca/