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.

STELPRO is a globally renowned company in electric heating, heating cables, ventilation and electronic controls. It offers a wide range of quality HVAC products designed and manufactured in Canada.

Steril-Aire, ISO Certified in both 9001:2015 & 14001:2015, launched UVC for the HVAC industry in 1994. Steril-Aire is globally renowned in the development of high-performance UVC solutions for air and surface decontamination.

Sterling HVAC, the most recognized name in the game, has been producing high efficiency heating products for over 50 years. From traditional Unit Heaters to Rooftop and Indoor Make-Up Air units, Sterling HVAC has the solution to fit every residential, commercial or industrial application.

Sterling Products Inc. specializes in steam heating solutions and manufacture of temperature control valves, condensate units, boiler feed pumps, water regulating valves, and steam traps.

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.

Stop's Heating & Cooling is a Wisconsin heating, AC, and water heater repair, service, replacement and maintenance company located in Land O Lakes. Stop's Heating & Cooling employs only the best HVAC technicians for the furnace, AC, water heater, boiler, ductless heating, and heat pump repair or replacement.

Storengy is a subsidiary of the ENGIE Group, which is active in natural gas storage and renewable gas production and storage.

Streamlight Inc. is a renowned manufacturer of quality portable lighting products including a broad range of rechargeable and alkaline battery, precision-engineered flashlights and lanterns.

Strobic Air Technologies provides safe, practical, cost-effective, and energy-efficient solutions for critical air exhaust applications. Their systems offer reliability as well as long service life.

Stulz-ATS is a globally renowned manufacturer of environmental control equipment including a full line of energy-efficient precision air conditioners, ultrasonic humidifiers, and desiccant dehumidifiers. They also provide cooling solutions and services for mission critical applications through the design and manufacture of highly energy efficient temperature and humidity control equipment for commercial and industrial applications.

Style Crest is a premiere distributor and manufacturer of building products serving the new residential, remodeling, and mobile home-manufactured housing markets. Style Crest partnered with Nortek Global HVAC in the design and engineering of its line of Revolv Indoor Comfort Products. The products include split-system air conditioners and heat pump condensers, indoor coils, furnaces, line sets, compact package coil cabinets and accessories.

Successware21 is a US-based renowned provider of complete business management software solutions for companies in the HVAC, plumbing and electrical industries.

As one of the fastest-growing Refrigerant Specialists in the US, Summit Refrigerants strives to provide our customers with unparalleled service, expertise, and product availability.

Sun Kool Air Conditioning provides a complete line of HVAC services including the design and installation of new systems, 24/7 emergency repair services, preventative maintenance plans, and indoor air quality services.

Sunbelt Rentals knows how to help customers make it happen. They provide General Tools & Equipment, Industrial Heat, Shoring Solutions, Pump Solutions, Ground Protection, Flooring Solutions, Oil & Gas Services, Industrial Services, Power & HVAC Services, and much more.

Suncourt has been manufacturing products that provide better air quality and control since 1988. Their inventory includes ventilation and ventilation related products, including centrifugal fans, dryer boosting kits, radon kits, duct fans, motorized dampers, sound control, telescoping thru wall fans, temperature sensitive switch, speed controls.

SunEarth’s strength lies in the engineering, manufacturing, and distribution of world-class solar water heating collectors, mounting hardware, ancillary components, and integrated systems at competitive prices for each channel customer.

Sunvent Industries is a custom metal air vent manufacturer and uses the highest quality materials. Their air vents are ideal for commercial and industrial facilities. They offer a full line of extruded and cast aluminum air vents, vent accessories, and custom vent sizes and finishes.

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.

Super Vac is the ventilation equipment manufacturer for firefighting and industrial applications. A one-stop-shop for all things ventilation, Super Vac equips personnel with industry-specific equipment and the widest lineup of positive and negative pressure ventilation fans, spanning from 8- to 80-inch blades, including the revolutionary Super Vac battery fan that works with DeWalt or Milwaukee.

Superior Boiler provides engineered energy solutions and is a leader in clean air emissions technology. Superior Boiler manufactures Scotch Marine and vertical firetube boilers for process steam, hot water and waste heat recovery, watertube and flextube boilers for industrial markets and high-efficiency hot water condensing boilers

Manufacturer of Superior HVACR Products including valves, driers, filters and accessories.

SRP manufactures a full range of energy-efficient gas fired, high and low intensity infrared space heating equipment for the commercial, industrial, agricultural, residential and hospitality markets with facilities in USA, Canada and China.

Superior Sensor Technology was established with the objective to revolutionize the high-performance, cost-driven pressure sensor market by developing integrative, high-performance, cost-efficient solutions for industrial, HVAC and medical applications. The company’s technology is based on a proprietary architecture called NimbleSense™, that significantly improves overall sensor performance and adds exclusive application specific system features.

For over 60 years, Superior Signal Company has provided quality products at attractive prices. Superior Signal specializes in manufacturing smoke generating devices and ultrasonic instruments.

Sur-Loc, Inc. is a globally renowned supplier of climbing safety products to protect workers on fixed ladders in a variety of applications.Climbing worker safety equipment includes Sur-Loc Safety Shackles, aluminum rails and ladders, fiberglass rails and ladders and Climber's Buddy Fall Protection Systems.

SureFlow, by International Environmental Corp. are renowned manufacturers of hydronic fan coil systems. They also manufacture thermostats, blower coils, and floor units.

Sussman Electric Boilers are renowned US-based providers of electric steam and hot water boilers, stainless steel boilers, steam super-heaters, steam to clean steam generators.

SVF Flow Controls is a recognized pioneer in flow control technology. Offer a full range of superior-quality engineered valves, actuators and controls for unique applications such as high pressure and high purity. Designed of exotic alloys, SVF Flow Controls serves many industries including; chemical, biotech, semiconductor, pharmaceutical, petro-chem, food and beverage, oil & gas, refining, etc.