Oklahoma Chiller Corporation is a commercial and industrial HVAC company with offices in Tulsa and Oklahoma City. In addition to mechanical and HVAC services, Oklahoma Chiller offers building automation services and equipment rental services.

Okto International, a HVAC provider has been working with the mission is to operate their company under Christ-like principles & standards; with integrity, honor; and work ethic. They are a highly respected service provider in the areas of Heating and Air-Conditioning all over Houston with installation, repair and maintenance.

Omdia unifies and harnesses the depth and breadth of expertise from Informa Tech’s legacy research brands: Ovum, IHS Markit Technology, Tractica and Heavy Reading. They offer unparalleled, world-class research and consultancy to navigate the now and create the future.

OMNIA Partners, Public Sector is the cooperative purchasing organization that is driving excellence in public sector procurement for K–12 schools and districts, state and local governments, colleges and universities and nonprofits. OMNIA Partners offers the most robust portfolio of high-quality cooperative contracts in the public procurement space.

OMS Machinery Co.,Ltd. is a High-Tech company, dedicated to the development and production of automatization, digitalization, and intelligentization equipment. Located in Zhongshan, Guangdong, OMS employs 80 professional engineers, and is well equipped with facilities. The company’s quality system and measurement system are ISO certified.

On Air services the South Palm Beach County areas, Broward County and North Dade County.We install and service all major and minor brand air conditioners, serving both Residential and Commercial Customers.

ONDA S.p.A. is manufacturing company of advanced heat exchangers for refrigeration, heating and air conditioning equipment.

One Hour Heating & Air Conditioning® of Lee's Summit is the most trusted source of HVAC services in the Lee’s Summit area. Their team of Lee's Summit heating and cooling technicians are highly trained and licensed, so that they can provide the best Lee’s Summit HVAC repairs, installation, and maintenance possible.

One Source Home Service, an Air Pros company, was founded on the premise of Integrity, Reliability, and putting the customers first. One Source Home Service is here to help the users with HVAC, ductwork, plumbing, electrical, and home energy needs in the Colorado Springs and Pueblo, CO areas.

Customers will often call when their home is uncomfortable and One Stop Heat & Air's goal is to provide them with fast, friendly, and efficient heating and or cooling services. Heating or cooling issues are never convenient, and they can also be stressful and expensive. One Stop aims to provide customers with the best service at a reasonable price.

ONICON Incorporated has been delivering market leading flow and energy measurement products since 1987. Their inventory includes hydronic insertion turbine flow meters, hydronic inline turbine flow meters, BTU meters, flow computers, vortex flow meters, electromagnetic flow meters. They have been delivering quality engineered flow and energy measurement instruments for hydronic heating and cooling systems for over 30 years.

Oozzio offers an one-stop-shop for HVAC supplies! Whether for appliance repair, HVAC business, or a DIY enthusiast, Oozzio has everyone covered. Discover top brands, heating, cooling systems, furnaces, mini splits, air conditioners & accessories at their stores. Their user-friendly website and powerful search tools are the most trusted source for residential & commercial HVAC equipment.

Optergy provides effective tools to help manage the building’s comfort conditions and improve tenant retention. By optimizing comfort conditions (temperature, humidity, and ventilation) they can ensure the tenants are happy and more productive.

Optima Heating and Air Conditioning has provided Melbourne homes and businesses with heating and cooling solutions for more than 30 years. Their extensive industry experience and strong supplier partnerships allow them to provide affordable heating, cooling, and ventilation solutions across residential and commercial projects.

Orange Coast Plumbing is the best choice in Southern California for plumbing, heating, and air conditioning repair and installation.

The history of the ORION dry pump started in Japan with the oil-free rotary vane vacuum pump. Thanks to its reduced noise and longer life, the dry pump has been indispensable in automation and labor-saving applications, playing an active and wide-ranging role for every kind of industry

Over 25 years ago, Victor Orzech began an HVAC company out of a basement workshop in his home. The years have brought many changes, but one thing remains the same: a commitment to the highest level of service and installation in the HVAC industry.

As a full service Air Conditioning, Heating and Ventilation company, OSBORN AC and Heat has been delivering high standard HVAC services.

Osborn HVAC is a full service Sugar Land AC Company servicing both residential and commercial Air Conditioning, Heating and Refrigeration equipment. OSBORN HVAC has provided quality AC Repair, HVAC maintenance and AC installation throughout the Houston and surrounding area since 2009. Located in Sugar Land, Tx, they continue to service a growing community of satisfied customers who depend upon us for quality service.

Oventrop is one of the European manufacturers of valves and controls for the Building Services Industry. The company is an expert partner to stockists, consultants, contractors, and industry. Oventrop offers its partners a long-term beneficial relationship.

Oversluizen distinguishes itself by developing and producing cooling solutions for the industry 1-on-1 with the client. In their own factory in Ridderkerk they calculate and produce the coolers for the project in-house.

OxiCool, Inc. is a Pennsylvania based company that develops air conditioning technologies which are widely in use in commercial and military spaces. The company is dedicated to developing environmentally friendly cooling technologies that have low operating and maintenance costs.

Oxygen8 is changing the way buildings provide healthy, comfortable and energy efficient spaces for occupants. They provide 100% fresh, filtered air and smart technology for maximum comfort and value.

PED Associates Inc. is a manufacturers’ representative company serving HVAC/R, appliance parts, wholesale distributor, OEM’s and exporters.

Pacific Air Conditioning & Sheet Metal, LLC is Maui's leading Air conditioning repair contractor. They pride themselves on offering the best quality possible to service both commercial and residential air conditioning for customers alike; they will continuously strive to exceed all of expectations. The main goal of the company is to create a lasting impression on all its customers. They believe that the way in which they treat their customers.

Pacifica Home Services Ltd. provide a wide range of HVAC and home improvement services in the region of Houghton Le Spring, in Sunderland, in the United Kingdom.

Pack HVAC are dedicated to provide top-notch heating, ventilation, and air conditioning (HVAC) solutions to ensure optimal comfort and air quality for homes and businesses. Their skilled team specializes in a full range of services, from routine maintenance and quick repairs to new installations and system upgrades. They understand that each home and business has unique cooling needs, which is why they offer customized solutions.

Packard is a master distributor of over thirty brands of HVACR solutions and is dedicated to providing the best service, selection and satisfaction to wholesalers.

Packless Industries is a manufacturer of heat transfer and other metal hose products. They provide metal hose assemblies; vibration absorbers; refrigerant heat exchangers; co-axial condensers, evaporators (chillers) and heat pump coils; desuperheaters/heat reclaimers.

Pamlico Air, Inc. is a family owned business. They have been in operation since 1990. From the first day in business, their goal has been to provide first rate service with top-quality products.