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.

Bacharach makes precision combustion analyzers, refrigerant leak detectors, and gas-detection instruments for HVAC, refrigeration, and industrial service technicians. Its instruments help technicians tune appliances, comply with EPA regulations, and protect plant operations.

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.

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.

Bostik manufactures professional-grade adhesives, sealants, and grouts for tile, stone, and resilient flooring installations. Its Hydroment and TruColor product lines are widely used by tile setters and waterproofers.

Bradford White is an American manufacturer of residential and commercial water heaters across gas, electric, oil, and indirect-fired technologies. The brand is sold exclusively through plumbing and heating wholesalers, never to big-box retailers.

BrassCraft Manufacturing produces plumbing supply lines, valves, gas connectors, and rough-in products used in residential and light-commercial installations. Its braided supply lines and PlumbShop accessories are stocked at supply houses and big-box stores.