AGIS LLC is a renowned manufacturer/distributor of high-temperature, heat-resistant sealing and industrial products for industrial and marine applications, including boiler accessories, gaskets, mechanical packing, tape, cloth, stuffing box packing, rudder packing and more.

Bradford White Corporation is a team of American-owned companies that designs, engineers, and builds water heating, space heating, combination heating, and storage solutions for residential, commercial, and industrial applications.

Burnham Commercial produces steam and hot water boilers for commercial and industrial applications. Burnham Commercial offers scotch, firebox, and cast iron boilers ranging from light commercial to industrial sizes.

Chromalox is a thermal technology company. They engineer thermal solutions for the world's toughest industrial heating applications. Their Heat Trace segment delivers temperature management solutions for piping systems, valves, and tanks.

E Instruments International by Sauermann designs, manufactures and markets a complete range of innovative instrumentation solutions encompassing Combustion Gas Analyzers, Emissions Analyzers, Indoor Air Quality, and Calibration equipment especially designed for the power, process, industrial, institutional, food, and HVAC markets.

Patterson-Kelley serves the commercial heating industry with the most respected products in the field. They provide Commercial Boilers, Commercial Water Heaters, Fabricated Systems, Commercial Solutions, Heating Solutions, Engineeering Solutions and much more.

The Witmer Company offers superior HVAC and plumbing services. Our services include installation and air conditioner repair, heater repair and plumbing repair in the Berks, Chester and Lancaster, PA areas.

U.S. Boiler Co. provides hydronic residential home heating with reliable, efficient, modern designed products that are made in America.

Velocity Boiler Works are manufacturers of gas-fired condensing and non-condensing boilers, oil boilers, indirect water heaters, hydronic air handlers and warm air furnaces.

Warren Controls Inc. is a renowned US-based manufacturer of control valves and related products for industrial process/general service and specialty applications, HVAC - building automation, Military/Marine, boiler components and OEM specialty valves.