3M Company (originally the Minnesota Mining and Manufacturing Company) is an American multinational conglomerate operating in the fields of industry, worker safety, healthcare, and consumer goods.

Aerovent is a globally renowned manufacturer in the industrial fan market that designs, engineers, and supplies a wide variety of industrial-grade axial fans, centrifugal process blowers, corrosion-resistant composite fans, OEM fans/propellers and custom air make-up units.

Ace Supply Co., Inc. was established in 1958 to provide quality products for both residential dealers and commercial contractors. They are renowned providers of heat and recovery systems, ducts, heaters, ventilation products and equipment.

Allegis designs and supplies HVAC hardware, such as: latches, hinges, door-stays, seals, gaskets and accessories (cams, rods, window ports). At Allegis, they live and breathe access hardware opening doors to unparalleled quality and innovation. They help solve customer-specific problems and supply thousands of products, including handles, latches, hinges, drawer slides, gas springs, sealing profiles, adhesives, and more.

CDI designs and manufactures desiccant dehumidifiers and critical process air handlers. Optional patent NoThruMetal design meets demand of low temperature environments without condensing.

Connelly Plumbing and Heating INC. has experienced technicians on-call to sort out their customers' plumbing problems. They do everything from routine maintenance to burst pipes, from a furnace and or air conditioner maintenance to a full change out.

A wholly owned subsidiary of Daikin Industries Ltd., delivers engineered advanced HVAC technology for commercial, industrial and institutional customers with knowledgeable application expertise.

Digi-Key is one of the fastest-growing distributors of electronic components in the world. Digi-Key offers the world’s largest selection of electronic components in stock and available for immediate shipment. From prototype to production, they are here to fuel innovation all over the world.

DriSteem designs and manufactures systems to meet the unique humidification, evaporative cooling, and water treatment requirements of commercial, industrial, health care, and process-critical applications worldwide.

Ductcap Products Inc. are renowned manufacturers of temporary reusable duct end covers. These duct end covers help keep duct work clean during shipping, staging and during construction.

Engineers and manufactures Q-Sox brand fabric duct for HVAC/R air distribution. Q-Sox is a proven solution for better Indoor Air Quality (IAQ) and air circulation.

Uponor is a provider of plumbing and indoor climate systems for the residential and commercial building markets across Europe and North America. They provide Indoor Climate solutions, Plumbing solutions, Infrastructure solutions and Project services.

GTS HVAC Inc. is a professional, woman-owned HVAC service provider. They design, fabricate, install and service residential and commercial heating, ventilation and air conditioning (HVAC) systems.

Helo is one of the world's largest sauna and steam bath, steam generators and rooms business. They develop, manufacture and market sauna and steam products worldwide. Helo Group Ltd has sauna room, sauna heater and steam generator manufacturing plants in Finland, Sweden, Germany and the United States and an extensive research and development program for sauna and steam related products.

Honeywell Home solutions include connected thermostats, whole-home professionally installed and monitored security systems, do-it-yourself home awareness and security systems, carbon monoxide and fire detection devices, furnace and boiler controls, water leak and freeze detection products, whole-home air purifiers and humidifiers.

Instant Pierce makes a straight-line puncturing tool for the fast recovery of Refrigerant.

Jaytech, Inc. is one of the largest and most innovative independent water management and treatment solution providers in the United States. Their solutions include traditional water treatment programs, solid chemical water treatment programs, legionella risk assessments, indoor air quality and hygiene remediation solutions for the “built environment” as well as process water management and consulting for reduction/recycle

Founded in 1926, Kato Engineering is now part of Nidec and manufactures Kato Engineering branded electric generators / alternators, energy storage products and specialty electric motors in its facility in North Mankato, Minnesota. KATO has a reputation for designing specialty products for the most difficult applications and environments. The KATO name has become synonymous with dependable and high-quality power generation worldwide.

Metro Heating & Cooling is a family owned and operated HVAC Company in St. Paul, MN. They have been providing the highest quality of air conditioning and heating repairs, installations and products to both residential and commercial customers. They are licensed, insured and bonded.

MrPEX Systems is a supplier of radiant heating/cooling, snowmelt, plumbing, pex-al-pex systems. Featuring uniquely flexible PEX-a tubing, manifolds, accessories and controls.

Peak Heating & Cooling Inc. specializes in the repair and replacement of the heating and cooling systems for the home or business. Peak Heating & Cooling Inc. will send only the best technician to fix the plumbing problem, air conditioner repair and, gas or propane (LP) furnace and heater repair as well as the air conditioner installation, furnace, boiler replacement, and tankless hot water heaters installation.

Phillips and Temro Industries (PTI) is a company with a rich 100-year history as a global OEM and aftermarket provider of custom engineered thermal and electrical solutions. PTI’s future is focused on the continued evolution of engines and new energy vehicles as the company continues to provide solutions that maximize equipment performance, reliability and safety.

Reclamation Technologies is the Midwest pioneer EPA certified refrigerant reclamation company. They offer a wide range of services to assist their customers with refrigerant management issues.

Ritchie Engineering Inc. offers a complete line of HVAC&R service and installation tools including recovery, vacuum pumps, hoses, test and charging manifolds, gauges, leak detection and electronic testing equipment, and service tools.

Sales ​​Engineers Inc. is a manufacturers' representative selling to the heating, plumbing and specialty refrigeration markets. Their emphasis is on distributor oriented business with a contractor/dealer focus. They represent the following manufacturers: Purolator, Broan-Nutone, Gastite, Nortek Global HVAC, First Company, Lenox, Hilmor, Shurtape, and Thermaflex.

Sensor Electronics Corp. is a renowned provider of digital gas detection systems that monitor combustible gas, toxic gas, and oxygen deficiency. They also manufacture toxic and explosive gas detectors, along with gas analyzers with over 75+ gas sensors.

Founded in 1994, Standard Metal Products Manufacturing is a globally renowned manufacturer of yellow label products for the HVAC industry. They specialize in Balancing Dampers, Control Sealed Dampers, Back Draft Dampers and Louvers.

Custom designed and manufactured plate fin heat exchangers. Hot water, chilled water, evaporator, condenser, steam, ammonia, and specialty coils. Copper, aluminum, steel and stainless steel construction.

Since 1965, TEMP-AIR Inc. has been a renowned provider of temporary, portable heating, cooling, dehumidifying, and air filtration rental services to the U.S. construction industry.

The Energy Conservatory (TEC) is a renowned manufacturer and seller of the Minneapolis Duct Blaster and Blower Door, TEC WiFi Link, digital pressure and flow gauge, TrueFlow Meter and distributor for Flir IR cameras. TEC continues to set the standard for specialized air flow and pressure measuring devices used to monitor and analyze the complex interactions which determine building performance.