ACCO offers online HVACR & plumbing apprentice courses for apprentices who need a non-classroom-based method of receiving their apprenticeship instruction.

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

Beckett Air is a leader in airflow component manufacturing thanks to its flexibility, willingness to meet customer needs, expertise and state-of-the-art .

Since 1954, Bluflame Heating and Air Conditioning has been a Toledo area expert in finding solutions, this is important because their solutions make home comfortable. However solutions don’t 'just happen'. Solutions, like luck, happen when hard work and preparation meet opportunity.

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.

The Brees Dream Foundation's mission is to improve the quality of life for cancer patients, and provide care, education and opportunities for children and families in need.

CleanAlert are manufactures of air efficiency monitors featuring the patented, revolutionary FILTERSCAN air filter monitor, based on differential pressure change, alerting the user when the filter needs servicing.

Cosby Heating carries a complete line of indoor comfort equipment with innovations that raise the standards of comfort and reliability, including air conditioners, heat pumps, gas furnaces, programmable thermostats, humidifiers, ductless split systems, geothermal systems, boilers, air cleaners, ultra violet lights, ventilators and zoning products.

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.

Federal Elite Heating & Cooling is a Bryant Authorized Dealer and carry the full line of Bryant products. Some of the products are dehumidifiers, ventilators, UV lamps, evaporative coils, oil furnaces and more.

HVAC Technologies is transforming the heating and air conditioning industry by educating and empowering consumers and creating new ways for consumers to connect with trustworthy local HVAC contractors.

Jackson Comfort Services offer 24/7/365 emergency service. Heating, Cooling, and Plumbing Specialists serving Northeast Ohio for 100 years. Its commercial and residential heating and air conditioning services include repairs, maintenance, and new installations. It also provides plumbing services for residents.

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

Multi-Wing America specializes in designing custom engine cooling fans, radiator fans, HVAC fans, and refrigeration fans in the U.S., Canada and Mexico. Multi-Wing America’s engineering staff can customize an axial fan solution for virtually any air-moving application.

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

Parker Hannifin Corp. provides system protectors, valves and controls for industrial, supermarket, appliance, commercial, residential and mobile air conditioning and refrigeration applications. They provide Signature brands include Sporlan, R/S, HERL, Micro Thermo Technologies.

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.

At RM Additions, they are passionate about transforming ordinary spaces into extraordinary living spaces that enrich lifestyles and adds value to homes. With their years of experience in the building industry, project management, and finishing, they are dedicated to bringing their renovation dreams to life.

Sauer is the full service Mechanical Contracting Company providing HVAC, Industrial Piping, Plumbing, Instrumentation, and Maintenance Services. Sauer Group is a division of Sauer Holdings Inc., headquartered in Pittsburgh, Pennsylvania.

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

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.

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.

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