Pipeline Research Ltd.
Everything you ever wanted to know about pipeline pigging and flow
http://www.pipeline-research.com

Roto-Launch Inc.
Automated pig launching from a six-pig pressured carousel. Allows increased frequency of pigging while cutting costs.
http://www.roto-launch.com

StarTrak Pigging
Magnetic pig location/tracking equipment and services. Pipeline river crossing inspections. Satellite communications for pipelines.
http://www.starpig.com/

T.D. Williamson Inc.
International manufacturer of Pipeline maintenance equipment: hot tapping and plugging, weld fittings; scraper traps, closures, signals and pipeline pigs
http://www.tdwilliamson.com/

Pipeline Pigging Products Inc.
Pipeline Pigging specializes in pipe cleaning products.
http://www.pipepigs.com/

WaveTrak Electronics Ltd.
We make ans sell tracking RF transmitters and receivers.
http://www.wavetrak.ca/

Pipeline Engineering
Pigging, isolation and joint testing systems and related services for the pipeline integrity industry.
http://www.pipelineengineering.co.uk/

BKW, Inc.
World Leader in Pipeline Pigging Technology, Pigging Equipment, Pipeline Anchoring, Pipe Supports, and Pipeline Engineering Services
http://www.bkwinc.com/

BKW, Inc.
World Leader in Pipeline Pigging Technology, Pigging Equipment, Pipeline Anchoring, Pipe Supports, and Pipeline Engineering Services
http://www.bkwinc.com/

International Pipeline Products Ltd
Pipeline pigs, pigging systems, cleaning equipment and stoppers. Pig launchers and receivers, closures and signallers.
http://www.inpipeproducts.co.uk/