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.

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.

Quality Comfort Home Services (formerly Quality Comfort Heating & Cooling) based in Cincinnati, OH offers a diverse range of HVAC services to residential and light commercial clients. Their expert HVAC services include air conditioner and furnace repair, heating and cooling maintenance, new furnace, heat pump or AC installations, ductless mini split ACs and 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.

Sears Heating & Cooling was founded by Johnny and Lillian Sears in 1950. They believed that Columbus needed a reliable heating and cooling company to keep families warm during the harsh winters and cool during the hot summers.

Shook Mfg. Products Inc. specializes in fasteners and tools for over fifty years now. They provide products with high-quality design, performance and usability. Their range of products include tools & hardware for the HVAC/R, roofing, and many other home improvement industries.

Smart Service is a US-based provider of HVAC software solutions for a wide range of applications. Smart Service adds scheduling, dispatching, and more to QuickBooks, helping companies streamline their operations and eliminate waste.

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

Temperature Supply Inc. is a US-based renowned wholesale distributor of heating, ventilation, air conditioning and refrigeration equipment, parts and supplies.

The Gasflux Co. is a renowned manufacturer of specialized in-line fluxing process for brazing of coil and compressor lines. The Gasflux Co. process is designed to work with copper to copper, copper to brass, copper to steel. The company also manufactures a full line of brazing paste fluxes for silver and bronze filler metals.

Troy Filters Ltd. is a custom manufacturer and supplier of filters and filter media for a variety of applications, including equipment protection filters, HVAC air filters, HEPA and cleanroom filters, paint spray booth filters, gas phase filtration, industrial air filters, power generation filters, and an extensive offering of OEM replacement filters.

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.