A full service engineering company offering engineering and construction management services to the oil and gas, energy and utility industries. Calgary, Alberta Canada.

Specializes in pipeline, storage and production facility construction and maintenance. Based in Russia.

Well site preparation and construction, well site supervision and project management. Operating in Canada.

Construction and reclaimation of field sites. Offerina a process of disposal of KCL drilling fluids which exceeds environmental specifications.

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).

Pipeline, compressor station and directional drilling construction company in the Southeast, South Central and Rocky Mountain regions of the US.

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.