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/

Pipeline Pigging Products Inc.
- Manufacturer of poly pigs, internal pipeline cleaners .
- http://www.pipepigs.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