Active Drainage - UK based firm. 24 hour drain clearance, CCTV Surveys, high pressure water jetting, repair and renovation, drain lining, pitch fibre repairs. - http://www.active-drainage.co.uk
Pigs Unlimited, Inc. - Manufacturers of pipeline cleaning pigs & pipeline pigging products. - http://www.pigsunlimited.com
Sreco Flexible - Manufacturer of jet machines, combination machines, rodding machines, bucket machines, and video systems. - http://www.srecoflexible.com/
T.D. Williamson Inc. - Manufacturer and services provider of pipeline maintenance pigging, hottap, polyethylene, and butt fusion equipment for international oil, gas, water and waste industries. - http://www.tdwilliamson.com/
Girard Industries - Manufacture pipeline cleaning products including pigs, cups and discs, and spheres . - http://www.girardind.com/
Apache Pipeline Products - Manufacturer and supplier of pipeline cleaning pigs and pigging equipment. Products include foam, steel-bodied, and polyurethane pigs and accessories, pig sigs, and launchers/receivers. - http://www.apachepipe.com/index.htm