Tahoe Design Software
Develops piping design, pump selection software and custom product promotion CDs. Free software downloads are available at their website. http://www.tahoesoft.com/
Vanguard Industries
Vanguard manufacturers engineered polyethelene (PEX) piping/tubing and water management systems for the plumbing and HVAC&R industries.
Orion Fittings, Inc
Orion's high purity and ultra high purity systems are manufactured from pure, unpigmented, virgin polymers using no anti-oxidants, pigments or other foreign substances often associated with other plastic piping products.
Heat-Line
Water pipe freeze-protection systems. Self-regulating internal and external heat-tracing systems can be fully insulated.
Armstrong World Industries, Inc.
Flexible thermal insulation for mechanical systems and process piping. Elastomeric and polyethylene pipe insulations control condensation and heat flow.