Flowtite Technology AS
- Manufactures flowtite glass reinforced polyester (grp) pipes for use in widespread applications, including trenchless installations.
- http://www.flowtite.com/

AGRU Kunststofftechnik GmbH
- Austria. Manufacturers of plastic pipes and fittings for industry, and gas and water supply. Also, concrete protective liners, and environmental solutions. Multi-lingual site.
- http://www.agru.at/

Alabama Pipe and Supply
- Distributor of pipe products made of corrugated steel, corrugated HDPE and PVC. Also distribute accessory products used in underground construction. US South Central.
- http://www.alabamapipeandsupply.com

Perma-Pipe, Inc.
- Manufactures pre-insulated pipe and double containment pipe for the oil and gas industry. Also offer leak detection and location, heat traced cathodic protection systems and pipe inspection services.
- http://www.permapipe.com/

Armtec
- Manufacturer and distributor of corrugated steel and high-density polyethylene (HDPE) pipe products for use in infrastructure, mining, forestry, industrial, residential, agricultural and municipal applications.
- http://www.armtec.com

Tiemme Raccorderie
- Industrial pipes, valves, fittings and manifolds for plumbing water, gas and industry.
- http://www.tiemme.com/eng/itahome.htm

Conley Corporation
- Manufacturer of corrosion resistant fiberglass pipe, fittings, strainers and valves.
- http://www.conleyfrp.com/

Gladding, McBean
- Manufactures vitrified sewer pipe.
- http://www.gladdingmcbean.com/

O'Tool Industries
- Supply a range of pipe and fittings for the construction, industrial, and agriculture industries. Products supplied in a range of materials including bronze, cast and ductile iron, stainless and carbon steel, and thermoplastics.
- http://www.otool.com/

Future Pipe Industries
- Manufacture glass reinforced piping for industrial and civil applications. Features an engineering guide providing information for the design, specification and installation .
- http://www.futurepipe.com/

Material Resources Inc
- Manufacture adjustable supports for flanged valve and piping systems .
- http://www.standon.net/

Ameron International
- Producer of fiberglass-composite piping, concrete and steel pipe systems and specialized construction products.
- http://www.ameron.com/

PipingDesign.com
- Process piping information, books, education, links, contacts, software and mailing list. One-stop source for process piping professionals.
- http://www.pipingdesign.com/

Naylor Industries
- Manufacture clay, plastic and concrete drainage, concrete, hi-spec lintels, stoneware, gardenware and other building materials for domestic and export markets.
- http://www.naylor.co.uk/

Pipe Wrap
- Quickly and easily fix any pipe leak, up to 450 psi, with Pipe Wrap. Used for years by industry to repair cracks and leaks in a wide variety of applications.
- http://www.piperepair.net/