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  • Advance Industrial Mechanical

    High-Temperature Air-Source and Water-Source Heat Pump Boilers

  • AEGIS

    AEGIS® shaft grounding rings and bearing protection.

  • AMPCO Stacks

    Leading manufacturer of high-performance, multi-use pressure stack chimney exhaust systems.

  • AtmosZero

    Modular electrified heat-pump boilers that generate decarbonized industrial steam.

  • Bell & Gossett

    Centrifugal Pumps, Heat Exchangers, Air Separation, Flow Balancing and Hydronic Accessories

  • Bock Water Heaters

    Gas, Electric, Oil Water Heaters. Domestic Water Storage Tanks

  • BoilerMag

    Magnetic dirt separators and system filtration.

  • Bryan Boilers

    Flexible Watertube Steam and Hot Water Boilers

  • Burnham Commercial Boilers

    Commercial and Industrial Steam and Hot Water Boilers. Boiler Room Ancillary Equipment.

  • CalDyn

    Seismic protection products for the mechanical, electrical, plumbing (MEP), and HVAC industries.

  • Cemline

    Leading Manufacturer of Tanks, Pressure Vessels, Packaged Water Heaters, Unfired Clean Steam Generators and Replacement Tube Bundles for Plumbing and Heating Systems and Industrial Processes since 1935

  • Centrotherm

    UL1738 InnoFlue® Polypropylene Vent Systems

  • Clivet

    Air-to-water heat pumps, chillers, and packaged HVAC systems designed for high-efficiency commercial and industrial heating and cooling applications.

  • Colmac WaterHeat

    Cold-climate air-source and water-source heat pump water heaters.

  • Danfoss

    Thermostatic Steam Radiator Valves

  • De Dietrich Boilers

    Flexible Eutectic Cast Iron Hot Water Boiler

  • Domestic® Pump

    Boiler feed units, condensate return units, vacuum systems.

  • Dow Chemical Company

    High-quality propylene and ethylene glycol-based heat transfer fluids.

  • Ebara

    Centrifugal and submersible pumps engineered for commercial, municipal, and industrial water and wastewater applications.

  • Ecoforest

    Heat pumps and renewable energy systems designed for high-efficiency residential and commercial heating, cooling, and hot water applications.

  • Enertech Global, LLC

    Packaged water-source and ground-source heat pumps. Light-commercial air-to-water heat pumps.

  • Fabtek

    Stainless steel boiler feed and condensate return systems.

  • Flow Control Industries

    High-performance pressure independent control valves.

  • Flow Environmental Systems

    CO2 water-to-water and air-to-water heat pumps. Split and packaged systems. Cold-climate high temperature heating.

  • Franklin Electric

    Pumps and pumping systems moving and monitoring critical water resources

  • Fulton

    Condensing Firetube Boilers from 399 MBH to 12,000 MBH. Vertical Tubeless, Scotch Marine Firetube and Flexible Tube Steam Boilers. Electric Hot Water and Steam Boilers. Engineered Boiler System Packages. Stock Boilers. Rental Boilers.

  • Galletti

    Modular cold climate 2-pipe air-to-water heat pumps.

  • Goulds Water Technology

    Centrifugal pumps, sump pumps, and pumping systems.

  • Hanson Tank

    ASME-certified steel tanks and pressure vessels, including vertical, horizontal, insulated, and custom designs.

  • Heat-Timer Corporation

    HVAC and hydronic controls, sequencing systems, and automation products that optimize boiler, chiller, and plant performance.

  • Heatfab

    Residential and commercial venting systems for Special Gas Vent applications

  • High-K

    Designs and manufactures shell-and-tube heat exchangers, pressure vessels, and custom heat transfer equipment.

  • Hoffman Specialty

    Provides steam and condensate management equipment, including traps, vents, and pumps, for commercial and institutional steam systems.

  • Holby Valve Inc.

    Specializes in thermostatic water tempering and mixing valves that control and regulate hot water temperatures for safe, consistent delivery in plumbing and HVAC systems.

  • Hurst Boiler (Central IL only)

    Scotch Marine, Vertical and Firebox Steam Boilers. Boiler Room Ancillary Equipment.

  • HYFAB

    Modular Variable Speed Commercial Pressure Boosting Systems

  • Jeremias Exhaust Systems

    Stainless steel chimney, flue, and exhaust vent systems for residential, commercial, and industrial combustion and ventilation applications.

  • JJM Alkaline Technologies

    Acidic Condensate Neutralization for Condensing Boilers and Water Heaters

  • Kadant

    Rotary and stationary equipment for industrial fluid handling, including pumps, screens, and filtration systems used in process industries.

  • Kampmann

    Hydronic convectors, fan coils, and trench heating/cooling units

  • Korado

    Hydronic heating solutions—including steel panel radiators—designed to pair efficiently with modern heat pump systems for low-temperature heating applications.

  • McDonnell & Miller

    Boiler controls and safety devices including low water cut-offs, flow switches, and level controls for commercial and industrial steam and hot water systems.

  • Metraflex

    Expansion joints, flexible piping products, strainers, and vibration isolation solutions for HVAC, plumbing, and industrial piping systems.

  • Miljoco

    Temperature and pressure instruments including gauges, thermometers, and sensors for HVAC, hydronic, industrial, and process applications.

  • Mueller Steam Specialty

    Specialty Valve Products

  • Naked Energy

    Solar thermal and hybrid solar PVT collectors for commercial and industrial decarbonization projects

  • Neptune

    By-pass and filter feeders used to introduce treatment chemicals and provide filtration in closed-loop heating, cooling, and process water systems.

  • Nordic

    Modular water-to-water heat pumps, high temperature water-to-water heat pumps

  • Nostromo

    Ice-based thermal energy storage systems that shift building cooling loads to off-peak hours to reduce energy costs and grid demand.

  • Olimpia Splendid

    Packaged terminal heat pumps (PTHP) with no outdoor unit

  • Panasonic

    Single-zone and multi-zone residential and small commercial cold-climate heat pumps

  • Peterson Equipment Co., Inc.

    Pressure and temperature test plugs that allow technicians to take quick system readings in hydronic, HVAC, and mechanical piping systems without shutting down equipment.

  • Pexgol

    High-performance PEX piping systems designed for hydronic heating and cooling, geothermal, snowmelt, and industrial fluid distribution applications.

  • Polar Global

    Hydronic High Wall and Ceiling Cassette Fan Coils

  • Power Flame

    Commercial and industrial burners and combustion control systems for boilers, process heaters, and thermal applications.

  • ProPak Solutions

    Fully Custom Engineered Pumping, Heat Transfer, Snow Melt, Boiler and Mechanical Enclosure Skid Packages

  • Raypak

    Copper Finned Tube and Stainless-Steel Boilers and Water Heaters

  • Roth

    Radiant in Floor Heating and Cooling Systems. Snow Melting Systems.

  • Rovanco

    Pre-insulated piping systems for district energy, steam, condensate, and chilled water distribution applications.

  • See Water, Inc.

    Custom Pump Control Panels

  • Sellers Manufacturing Co.

    Single Pass Immersion Firetube Steam and Hot Water Boilers. Fully Custom Deaerators and Indirect Water Heaters.

  • Siemens Combustion Controls

    Combustion control systems, burner management panels, and flame safeguard solutions for commercial and industrial boiler applications.

  • Sunamp

    Phase Change Thermal Storage, Thermino Electric Domestic Water Heaters

  • Sussman Electric Boilers

    Electric Steam and Hot Water Boilers

  • Tandem Chillers

    Air-cooled and water-cooled chillers. 6-pipe heat pump chillers.

  • Thermal Solutions

    Watertube Condensing Water Heaters and Boilers

  • Thermo Tech Inc.

    Silicone Lined Expansion Joints / Flexible Connectors and Custom-Built Food Grade Hoses in Several Elastomers and Smooth Bore PTFE Hoses. These Products Meet or Exceed FDA and 3A Standards.

  • U.S. Boiler Company

    High Efficiency Wall Hung Residential Boilers

  • Unilux

    Vertical stacking water-source heat pumps and fan coils for high-rise applications. Low-profile horizontal fan coils.

  • Van-Packer

    Breechings, Chimneys and Stacks for Fuel Fired Boilers

  • Vertiflo Pump Company

    Industrial Submersible Pumps

  • Vibration Eliminator

    Pump Vibration Isolation Bases

  • Viessmann

    Floor Mounted and Wall Hung Gas Commercial Condensing Boilers

  • Watts Radiant

    Radiant heating and snowmelt systems including tubing, controls, and accessories for residential and commercial hydronic applications.

  • Wessels Company

    Thermal Expansion Tanks, Hydronic Air Separators, Glycol Makeup Packages, Custom ASME Tanks

  • Wheeler Tank Manufacturing

    Custom ASME Tanks