Aeroflex USA produces flexible elastomeric foam insulation used to prevent condensation and energy loss on HVAC, plumbing, and refrigeration piping. Its closed-cell tubes, sheets, and tapes meet thermal performance and fire safety requirements for mechanical contractors and engineering specs.

Airgas, an Air Liquide company, is North America's largest distributor of industrial, medical, and specialty gases, plus welding equipment, safety products, and MRO supplies. Its national network of branches, gas plants, and stores serves contractors, manufacturers, and tradespeople.

Amba designs and manufactures hardwired and plug-in heated towel racks for residential and hospitality bathrooms. The stainless-steel collections include freestanding, wall-mounted, and timer-controlled models in finishes from polished chrome to matte black.

American Metal Products supplies factory-built chimney, venting, and fireplace systems including Type B gas vent, all-fuel chimney, and pellet stove vent components. The brand serves residential heating contractors and HVAC installers across North America.

Amtrol manufactures pressure-rated water tanks for well systems, expansion tanks for hydronic heating, and indirect water heaters. Its Well-X-Trol and Therm-X-Trol product lines are mainstays in residential plumbing and heating installations.

Anaco-Husky produces engineered couplings and fittings for cast iron, plastic, and copper drain-waste-vent systems. Its no-hub couplings, transition fittings, and shielded couplings are stocked across commercial and multifamily plumbing rough-ins.

Anvil International is a major manufacturer of pipe-joining and pipe-support products including malleable iron fittings, grooved couplings, hangers, struts, and seismic bracing. The brand serves mechanical, fire-protection, and industrial piping contractors.

Apollo Valves, a Conbraco Industries brand, manufactures brass and stainless ball valves, backflow preventers, mixing valves, and gauges for plumbing, hydronics, and industrial fluid systems. Its valves are widely specified for residential service and commercial water distribution.

Aptations designs vanity and makeup mirrors, including the Kimball & Young line, with magnification, integrated LED lighting, and mounted or freestanding configurations. The brand is found in hospitality and high-end residential bathrooms.

Aquadom builds LED-illuminated bathroom mirrors and medicine cabinets with features such as defogging, color-temperature control, and integrated outlets. Its frameless and contemporary designs ship to dealers and showrooms across North America.