Antrum continuous indoor air quality monitoring systems, which when integrated with the BMS, create healthier, more efficient buildings. AntrumX™ monitors the Indoor Air Quality (IAQ) of up to 32 spaces from a single location.

Brasscraft provides water supply stopers, risers, fittings, gas appliance connectors, excess flow valves, water connectors, gas ball valves, drain cleaning machine and plumbing hand tools.

DuraVent is the recognized technological leader in the venting industry. Consistently first to market with new innovations, DuraVent is committed to providing safe and technologically advanced venting.

Heating and air conditioning equipment for residential and commercial applications, 1/2 to 25 tons, under the Comfort-Aire and Century brand names.

Gas pressure regulators; electronic gas flame modulation systems, shut-off valves, manual gas ball valves and gas combination controls.

Napco-International manufactures and supplies high quality industrial grade heating elements and supporting components to the industrial markets. They provide electric heating elements and accessory products such as HVAC heating elements for electric furnaces, heat pumps, air handlers and many more.

Rapid Engineering is an Industrial and commercial HVAC manufacturer. They manufacture make-up air and custom rooftop units, indirect-fired heaters, make-up air heaters, evaporative coolers, and electronic control systems for direct fired air handlers.

Solaronics is a manufacturer of gas fired infrared heaters for industrial and commercial building applications and gas-fired burners for process and cooking applications.

Universal Piping Industries (UPI) is a pioneer in the design, fabrication and installation of industrial piping & plumbing systems and HVAC systems for industrial/commercial facilities.