Atlas Homewares creates designer cabinet and door hardware including knobs, pulls, and pendant pulls in finishes from solid brass to oil-rubbed bronze. Its collections appear in luxury kitchens, baths, and built-ins.

B-Line Series, an Eaton brand, manufactures cable tray, strut, fittings, and pipe hangers used in commercial, industrial, and OEM electrical and mechanical installations. Its galvanized and stainless products are core to specifying engineers and contractors.

Beacon-Morris, a Mestek brand, supplies hydronic and steam heat-transfer products including kickspace heaters, unit heaters, and convector cabinets. Its Twin-Flo and similar lines are commonly specified for residential retrofits and commercial buildings.

Bell & Gossett, a Xylem brand, is a leading manufacturer of hydronic heating and cooling pumps, expansion tanks, air separators, and heat exchangers. Its pumps and accessories are foundational components of commercial and institutional HVAC systems.

Berenson Hardware designs and manufactures decorative cabinet and furniture hardware in a wide range of finishes and design eras. Its knobs, pulls, and accessories are used by kitchen and bath designers across North America.

Bertch Cabinet manufactures bathroom vanities, medicine cabinets, and linen cabinets in semi-custom and custom configurations. Its hand-assembled, made-in-America cabinetry is sold through plumbing showrooms and kitchen-and-bath dealers.

Blanco produces premium kitchen sinks and faucets, with deep expertise in granite-composite Silgranit sinks, stainless steel, and fireclay. The German-engineered brand is widely specified in luxury and chef-grade kitchens.

BlazeMaster CPVC, a Lubrizol product, is a fire-sprinkler piping system used in light-hazard occupancies including residential, hotel, and assisted-living buildings. Its non-corroding pipe and fittings install with solvent cement, eliminating the need for grooving or threading.

Broan-NuTone makes residential ventilation products including range hoods, bath and ceiling fans, and whole-home indoor-air-quality systems. The brand is a workhorse spec in production housing and remodels.

Burnham, sold under U.S. Boiler Company, manufactures gas, oil, and high-efficiency residential and commercial boilers including the Alpine and Series 2 product lines. The Pennsylvania-based maker is a longtime fixture in hydronic heating.