UpstreamContractor.com

TSS International Inc
Selling valves, meters, manifolds and other devices used with piping. Based in Houston, Texas. Includes product listings.
www.tssi.org/

T.D. Williamson, Inc.
International manufacturer and services provider for hot tap and hot tapping equipment and services and other pipeline maintenance equipment.
www.tdwilliamson.com/

Pipeline Measurement and Control
Provides turn-key systems, equipment, and services for production and pipeline custody metering, control and conditioning of crude oil, natural gas and refined or processed hydrocarbon fluids.
www.pipelinemeasurement.com/

Shaw Pipeline
Specializes in technology-based exploration and production products and services for pipeline, petrochemical and industrial markets worldwide. Manufacturing and service facilities globally.
www.shawpipeline.com/

PipeSak Incorporated
Offers a new patented system of gravel-filled baffles which straddle a pipeline to achieve buoyancy control. Features advantages, a list of technical notes, and a comparison with other techniques.
pipesak.com/

BKW, Inc.
Provides pipeline pigging technology, equipment and anchoring systems, pipe supports, slug catchers and engineering services. Based in Tulsa, Oklahoma. Offers information about products.
www.bkwinc.com/

Sienna Composite Group Ltd.
Supplies fluid transmission alternatives through spoolable recoverable composite pipe. Includes a list of products, details on the safety and environmental policies. Located in Canada.
www.siennacomposite.com/

Pipeline Operator Qualification System Consortium, Inc.
Automates the processes necessary for operators of natural gas and hazardous liquid pipelines to comply with the relevant sections of US Federal Regulations.
poqs.itgo.com/

Cardinal Gas Solutions, L.P.
Provides natural gas processing, treating, and production services downstream of the wellhead to producers and pipeline companies. Headquarters in Texas, USA.
www.cardinalgas.com/

Pipeline Skid Service
Sells, buys, and rents new and used hardwood skids and mats for the pipeline and underground construction industries. Based in Kerrville, Texas.
www.pipelineskidservice.com/