HAMPDEN ENGINEERING CORPORATION has built a reputation for manufacturing Cutting Edge, Engineering and Technology Training Equipment of the highest quality since 1954.

Hardcast encompasses Hardcast Duct Sealants and Adhesives, DynAir Airflow Hardware and Accessories, and the Nexus 4-Bolt Flange Closure System. As an industry leader, Hardcast supplies superior products and engineered solutions to ensure the sustainability of your HVAC system.

Hardcast provides high-performance solutions for the Heating Ventilation and Air Conditioning (HVAC) industry, manufacturing rolled duct sealants, mastics, adhesives, coatings and hardware as well as other accessories.

Building on over 50 years of experience in HVAC-R coatings, Heresite Protective Coatings, LLC invests in R&D and testing services. Their NSF certification for Food Service Equipment, as well as meeting the rigorous ISO 20340 standard for extreme offshore conditions, show how they develop protection for HVAC-R applications.

Hexion Inc. serves the global wood and industrial markets through a broad range of thermoset technologies, specialty products and technical support for customers in a diverse range of applications and industries.

Highside Chemicals, Inc. has manufactured the highest quality chemical products for the maintenance, installation and repair of refrigeration, air conditioning and plumbing systems for over eighty-five years. All products are thoroughly tested and proven to perform to the highest standards. Their commitment to quality along with excellent customer service and technical support makes Highside Chemicals the best choice.

Honey-Do-Men is an experienced and full-service home improvement contractor. They provide comprehensive remodeling, repair, and maintenance solutions for home owners. For anyone who requires their assistance in gutter repair or replacement, roof repair, or handyman services, they can help.

Huntsman Corporation is a globally renowned spray polyurethane foam company that serves a broad and diverse range of consumer and industrial end markets, including, transportation, home life, construction, energy and fuels, and clothing and footwear. They develop products that address customers’ needs and help provide solutions to some of the world’s greatest challenges.

Hydro Balance manufactures products like Coil cleaners, lubricants, coatings I.A.Q., Leak Detectors, Insulators, System Flushing Tools, etc

IDEAL (VS) is a manufacturer of aluminum foil and grey duct tapes, adhesives, gaskets, flexible ducts, fiberglass/rubber insulation. They provide advanced coating solutions for the industrial, commercial and residential construction and maintenance markets, with substantiated proven performance.

Ideal Tape is a manufacturer of pressure sensitive tapes for HVAC and thermal insulation systems. They provide cloth duct, plain foil, HVAC, footwear, electrical, electronic and composite bonding industries.

Integrion Automation, formerly Wauseon Machine’s Automation and Tube End Forming division, delivers transformative automation solutions across diverse industries. With advanced engineering, exceptional service, and relentless innovation, Integrion enables customers to move from complexity to confidence. The company’s certified team specializes in automation consulting, machine design, installation, and lifecycle support.

ISM manufactures Spiral Tubeforming Equipment utilizing state-of-the-art technologies to deliver the best Spiral Tubeformer in the industry and offer Spiral Fitting machines featuring Gorelockers, Stitchwelders, Oval and Flanging machines.

IT Tech Packaging Inc. is a renowned paper manufacturer, software solutions and packaging solutions firm based in North China.

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

Whether they're building water treatment systems for homes or for coffee shops, this water quality manufacturer uses only the best components possible. Which is why they've been using John Guest for 25 years. Hear what Chester Paul Company has to say about John Guest's reliability and support.

Kale Fans America, can always count on prompt and knowledgeable service from our highly-skilled staff. One of the main features of our ceiling fans is the simulation of natural air. It gives the frequency of the wind and the natural breeze, improving the quality of the air that the body perceives, thus making the entire air supply resemble a natural breeze, thus achieving a better thermal sensation.

Kalenborn Abresist, a division of Kalenborn International, provides wear resistant linings with excellent abrasion and impact resistance – specifically constructed for use wherever wear and abrasion are a problem. ABRESIST® wear and abrasion resistant linings reduce downtime and maintenance and are marketed throughout the United States, Canada and Mexico.

Kelvin HVAC is a clean room company in India, specializing in high-performance HVAC solutions tailored for clean room environments. With a strong commitment to quality and innovation, Kelvin HVAC delivers advanced systems that meet stringent industry standards for pharmaceuticals, biotechnology, electronics, and healthcare sectors.

Koura is a globally renowned company in the development, manufacture and supply of fluoroproducts that play a fundamental role in enhancing everyday lives. Their refrigerant products are used in a vast range of applications such as the construction of towns and cities, keeping homes cool, and food fresh.

Kraton Corporation is a global producer of styrenic block copolymers, engineered polymers and chemicals derived from pine wood pulping co-products that are used to enhance the performance of end-use products that touch our daily lives. Their coatings are used in multiple industries.

Linx Industries, a division of DMI Companies, is North America’s leading manufacturer of commercial HVAC ductwork and fittings. Linx Industries provides the construction market with residential, commercial, and industrial air distribution solutions. Linx operates from its manufacturing hub in Portsmouth, Virginia

Little Giant Ladder Systems is the safety and innovation in climbing systems and professional access equipment because it has partnered with safety professionals all over the country to develop real solutions to real safety problems. In only the past five years, the company has received over 50 patents on safety improvements in climbing equipment design.

Malco Products SBC is a US-based manufacturer of specialty hand tools, fasteners, accessories, zip ins and other HVAC tools.

Meitav-tec one of the companies in the field of intelligent HVAC temperature control. Since its foundation in 1989, Meitav-tec has been providing innovative, tailor made solutions for temperature control. Driven by technological innovation and guided by a veteran, top expertise R&D team, Meitav-tec has an ample experience in the design, manufacture, sale and support of temperature control solutions.

Meyer Machine Supply & Equipment LLC is a renowned US-based manufacturer of electric and gasoline powered vacuums for air duct and dryer vent cleaning, as well as a complete line of supplies.

With their headquarters in Jonesboro, Arkansas and six other locations throughout the State, MSS sells diesel fuel, gasoline, aviation fuel, motor oils, hydraulic oils, gear lubricants, greases, etc. to a wide variety of industries, farmers, implement dealers, manufacturing companies, municipalities, car dealerships, oil change shops, tire stores, and trucking companies make up a portion of the large customer base.

Midwest Mechanical Solutions solves problems through applied HVAC solutions. It develops and maintains relationships with Commercial and Industrial Building Owners, Consulting Engineers & Contractors.

Momentive Performance Materials Inc. is a global leader in silicones and advanced materials, with a 70-year heritage of being first to market with performance applications for major industries that support and improve everyday life.

Murray Corporation offers a commitment to quality, dependability, and customer service that comes from more than 100 years of experience. They design and manufacture clamps and fasteners for almost all industrial and commercial hose applications. Murray clamps and fasteners being used across the worldwide agriculture, automotive, heavy-duty truck, off highway, municipal, marine, irrigation, beverage, plumbing and many other markets.