Arrow Heating & Cooling has been offering the best air conditioning and heating services to the Columbus,Ohio area for over 30 years.

Atlas Butler, a third-generation family owned and operated business, has been providing residents of Central Ohio heating and cooling services.

BNK Heating & Cooling offers comprehensive heating and cooling services in Cleveland, Ohio, USA. Their solutions include air conditioning services, heating services, repair, replacement, and more, ensuring comfort for residential and commercial clients.

CFM Global operates companies that focus on innovative filtration media and nonwoven polyester products. With manufacturing and distribution centers conveniently positioned in Nebraska, Ohio, and Wisconsin, CFM Global designs, develops, and manufactures its products for customers across the globe.

ESP Company was founded in 1974 by Thomas J. Finnegan, a manufacturer's rep in the Midwest to provide specialty products to the air conditioning, heating, and refrigeration industry.

With 100+ years experience in the design and remediation of high performance temperature conditioning systems for the pharmaceutical and semi-conductor industry, Farrar Scientific is uniquely positioned with precision equipment and personnel to accurately provide exacting analysis of the operation and performance of each component within the refrigeration system and the impact of each component on the overall system.

In 1950 Edward M. Smith designed a small non-corrosive centrifugal pump while employed at Barnes Manufacturing in Mansfield, Ohio. Ed believed this new pump fit a need in the appliance industry for dishwasher and washing machine drain pump applications.

The Heat Exchange Institute (HEI) is a non-profit trade association committed to the technical advancement, promotion, and understanding of a broad range of utility and industrial-scale heat exchange and vacuum apparatus. The primary purpose of HEI is to develop and publish standards which advance the technology, increase the efficiency, and promote the use of heat exchange and vacuum apparatus.

K & K Heating & Cooling is a trusted HVAC company serving cities around Northeast Ohio, USA. Their team provides HVAC installation services, fast and reliable HVAC repair, and HVAC maintenance services to upkeep the home’s comfort and efficiency. As experienced HVAC contractors, they also specialize in heating and air conditioning repair, furnace repair, and HVAC system diagnostics for both residential and commercial properties.

Kish Heating and Cooling Inc specializes in the repair, maintenance, and replacement of all makes and models of HVAC equipment

The National Board of Boiler and Pressure Vessel Inspectors was created in 1919 to promote greater safety to life and property through uniformity in the construction, installation, repair, maintenance, and inspection of pressure equipment.

Ohio Heating and Refrigeration (OHR) provides commercial and residential HVAC, boilers, building automation, commercial refrigeration, fabrication, and food service equipment.

Pickrel Brothers is one of the Midwest's providers of pipe, valves, fittings, plumbing, heating and industrial supplies. They also provide boilers and hydronic equipment, heating and cooling coils, unit heaters, water softners, plumbing fixtures and much more.

Stack Heating & Cooling provides unparalleled HVAC services for residential and light commercial customers in the Cleveland, Ohio, area.

The services of Vaughn Industries have grown into the industrial/commercial sectors, including electrical, mechanical (HVAC and Pipefitting), plumbing, and high voltage substation, high voltage transmission and distribution construction. They provide High Voltage Transmission and Distribution, High Voltage Sub Station, Commercial/Industrial Mechanical/HVAC, Commercial/Industrial Electrical, Renewable Energies, and Preventative Maintenance.

Vertiv brings together hardware, software, analytics and ongoing services to ensure its customers’ vital applications run continuously, perform optimally and grow with their business needs. Vertiv solves the most important challenges facing today’s data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extends from the Cloud to the Edge.

Wolfe Innovations prides itself in being the best overall in HVAC customer service, low competitive prices, and trustworthiness.

Zimmer's Heating & Cooling business has expanded to include residential, retail, and commercial heating and cooling.