Nidec Motor Corporation (NMC) is a manufacturer of commercial motors, industrial motors, appliance motors, and controls. They provide ECM, single and three phase motors from fractional horsepower to thousands of horsepower for HVACR and other applications.

Nortek Global HVAC designs and manufactures reliable heating and cooling products. Nortek Global HVAC and its subsidiaries build and sell HVAC systems under the Maytag, Frigidaire, Gibson and Reznor brands, among others.

Nu-Calgon markets and distributes a complete line of specialty chemical products for the HVACR aftermarket. They provide water treatment, sealants, specialty and service chemicals, coil cleaners, system flush solvents, refrigeration oil, vacuum pump oil, ice machine treatment, indoor air quality.

Established in 1940, Paul Mueller Company builds stainless steel processing equipment that cools, heats, and stores the products you use every day. They are the global supplier of heating, cooling and storage solutions that allow farmers, brewers and engineers to keep their products fresh and their inventory strong.

PART provides IAQ specialty cleaning services to commercial and industrial clients throughout the Midwest and has conducted numerous large projects in the Eastern United States. PART’s management team and project supervisors are certified members of the National Air Duct Cleaners Association (NADCA).

RDM Products specializes in sheet metal and wire fabrication, welding, and design services. They also deal with condensing unit enclosures, noise reduction panels, shelving, theft-deterrent cages.

When its cold outside, Reznor brings the heat. For more than 90 years, they’ve delivered reliable, high-efficiency unit heaters to their customers. Their unit heaters feature attractive, high-gloss exteriors, components engineered for quality, and a complete range of options to fit any application. And, many of their high-efficiency unit heaters qualify for rebates or subsidies from local governments or utilities.

Ruskin is a manufacturer of innovative air control products, including manual, fire, smoke, combination fire/smoke, and industrial dampers, louvers, air measuring stations, sound attenuators, diffusers, and Energy Recovery Ventilators.

Stock Cap is a globally renowned manufacturer of plugs and caps for use in the HVAC industry. They are also one of the largest manufacturer of flexible closures in the world. In addition to the large selection of stock products, they offer experienced engineers who are available to develop customized solutions for your product protection needs.

Headquartered in St. Louis, Missouri, Sunnen is a "total solutions provider," manufacturing everything from machinery and abrasives to precision bore gages and customized coolants. This comprehensive approach enables Sunnen to deliver turnkey honing solutions that encompass cutting-edge equipment, tooling, consumables, and coolants.

Total Comfort Resource LLC, the team of specialized technicians researches, diagnoses, and resolves a variety of operational and maintenance problems. They combine technical analysis with industry experience to identify potential solutions, and address issues down to the root causes.

UNICO Inc. is the maker of The Unico System which is a small-duct, high-velocity central heating and air conditioning system.

Watlow Electric manufacturing company designs and manufactures industrial heaters, sensors, controllers, system assemblies and software — all of the components of a thermal system. Designing and manufacturing the complete thermal system allows Watlow to recommend, develop and deliver the optimum thermal solution for our customers’ equipment and process heat requirements.

Thermostats, gas valves, ignition controls and igniters, Filter Driers, Expansion Valves, and Solenoid Valves for heating, air conditioning, refrigeration and IAQ.

Wiegmann Associates is a St. Louis-based mechanical contractor and a national pioneer in design/build HVAC projects. Since 1995, Wiegmann Associates has engineered and installed innovative, energy-saving, and cost-efficient HVAC solutions, refrigeration systems, and automation controls for clients in a wide range of industries, including senior living, food and beverage distribution, warehouse, healthcare, commercial and industrial.