Dawn Kitchen & Bath supplies stainless steel kitchen sinks, bar sinks, and accessories ranging from drop-in to undermount and apron-front configurations. Its product range covers residential and light-commercial applications.

Delta Faucet Company is one of North America's largest faucet manufacturers, producing kitchen, bath, and shower fixtures for residential and commercial use. Its Touch2O, H2Okinetic, and DIAMOND Seal technologies are signature features of the brand.

As the world's largest manufacturer of HVAC/R equipment pads, DiversiTech is the go-to supplier of all size ranges and substrate types, from concrete to composites. Struts, brackets, clamps and blocks round out DiversiTech's equipment mounting offering.

Dundas Jafine produces flexible ducts, dryer vent kits, range-hood ducting, and indoor-air-quality accessories. Its products are stocked at HVAC wholesalers, big-box retailers, and through homebuilders.

Dura Plastic Products manufactures Schedule 40 and 80 PVC fittings for irrigation, pool, spa, and water-distribution systems. The made-in-California brand is a fixture on irrigation and plumbing trucks across the western U.S.

Eemax produces tankless electric water heaters for residential point-of-use, whole-home, and commercial applications. The Connecticut-based brand offers handwashing, emergency safety, and industrial process water-heating models.

Emerson's climate technologies brands — including Copeland scroll compressors and the Sensi thermostat line — provide compressors, controls, and refrigeration solutions for residential, commercial, and industrial HVAC. Its components are core to OEM equipment from major manufacturers.

Empire Industries supplies fire-protection components and fittings used in commercial sprinkler systems. Its product line includes inspector test connections, drain assemblies, and related accessories for fire suppression installations.

Esmark Steel Group is a steel processor and distributor supplying coil, sheet, and plate to HVAC, ductwork, and equipment manufacturers. The brand serves OEMs and mechanical fabricators across the eastern U.S.

EWC Controls manufactures zone-control systems, dampers, and balancing actuators that allow forced-air HVAC systems to deliver independent comfort to multiple zones. Its retrofit and OEM products are stocked by HVAC wholesalers nationwide.