Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR.
Novell, Inc. was an American software and services company headquartered in Provo, Utah, that existed from 1980 until 2014. Its most significant product was the multi-platform network operating system known as Novell NetWare.
United Technologies Corporation (UTC) was an American multinational conglomerate headquartered in Farmington, Connecticut. It researched, developed, and manufactured products in numerous areas, including aircraft engines, aerospace systems, HVAC, elevators and escalators, fire and security, building automation, and industrial products, among others. UTC was also a large military contractor, getting about 10% of its revenue from the U.S. government. In April 2020, UTC merged with the Raytheon Company to form Raytheon Technologies, later renamed RTX Corporation.
Altafiber, Inc., formerly Cincinnati Bell, is a regional telecommunications service provider based in Cincinnati, Ohio, United States. It provides landline telephone, fiber-optic Internet, and IPTV services through its subsidiaries Altafiber Home Phone and Hawaiian Telcom, which are the incumbent local exchange carriers for the Greater Cincinnati metropolitan area and Hawaii. Other subsidiaries provide enterprise information technology services and long distance calling.
Altice USA, Inc., commonly known as Altice, is an American cable television provider with headquarters in New York City, owned by the Franco-Israeli businessman Patrick Drahi. It delivers pay television, Internet access, telephone services, and original television content to approximately 4.9 million residential and business customers in 21 states.
Johnson Controls International plc is an American, Irish-domiciled multinational conglomerate headquartered in Cork, Ireland, that produces fire, HVAC, and security equipment for buildings. As of mid-2019, it employed 105,000 people in around 2,000 locations across six continents. In 2017 it was listed as 389th in the Fortune Global 500. It became ineligible for the Fortune 500 in subsequent years since it relocated its headquarters outside the U.S.
Fiserv, Inc. is an American multinational company headquartered in Milwaukee, Wisconsin, that provides financial technology and services to clients across the financial services sector, including banks, thrifts, credit unions, securities broker dealers, mortgage, insurance, leasing and finance companies, and retailers.
Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an independent company manufacturing and distributing HVAC systems, and has since expanded to include manufacturing commercial refrigeration and food service equipment, and fire and security technologies.
Worthington Enterprises, Inc. is a global diversified metals manufacturing company based in Columbus, Ohio. It is a steel processor and manufacturer of pressure vessels, such as propane, oxygen and helium tanks, hand torches, refrigerant and industrial cylinders, camping cylinders, exploration, recovery and production products for global energy markets; water system tanks for storage, treatment, heating, expansion and flow control, and compressed natural gas storage cylinders. The company also manufactures framing systems for mid-rise buildings and steel pallets and racks for shipping. It is the largest independent processor of flat-rolled steel in the United States. The company takes steel from steel producers and processes it for customers in industries including automotive, lawn and garden, construction, hardware, office furniture, electrical control, leisure and recreation, appliance, agriculture and HVAC.
Black Box is an IT company headquartered in Texas, United States. The company provides technology assistance and consulting services to businesses in a variety of sectors including retail, transportation, government, education, and public safety. Black Box operates in 75 locations across 35 countries. In 2022, Black Box had more than 3,800 employees worldwide.
TIBCO Software Inc. is a business unit of Cloud Software Group that provides enterprise software. It has headquarters in Palo Alto and offices in North America, Europe, Asia, the Middle East, Africa and South America.
Air Methods Corporation is an American privately owned helicopter operator. The air medical division provides emergency medical services to over 100,000 patients every year. It operates in 48 states with air medical as its primary business focus. Its corporate headquarters are located in the Denver Technological Center, Greenwood Village, Colorado, in the Denver metropolitan area.
SunEdison, Inc. is a renewable energy company headquartered in the U.S. In addition to developing, building, owning, and operating solar power plants and wind energy plants, it also manufactures high purity polysilicon, monocrystalline silicon ingots, silicon wafers, solar modules, solar energy systems, and solar module racking systems. Originally a silicon-wafer manufacturer established in 1959 as the Monsanto Electronic Materials Company, the company was sold by Monsanto in 1989.
Qwest Communications International, Inc. was a United States telecommunications carrier. Qwest provided local service in 14 western and midwestern U.S. states: Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Texas, Utah, Washington, and Wyoming.
GDI is a commercial facility services provider offering a range of services in Canada and the United States to owners and managers of a variety of facility types including office buildings, hotels, shopping centres, industrial facilities, healthcare establishments, distribution facilities, airports and other transportation facilities.
With operations in 11 countries, Serena Software Inc. is an American software company that provides IT management products to enterprises. Serena solutions offer a process orchestration approach and span the areas of development, DevOps and IT management.
SPX Corporation is a supplier of highly engineered infrastructure equipment and technologies. The company operates within four markets: heating, ventilation, and air conditioning (HVAC), detection and measurement, power transmission and generation, and engineered solutions. Examples of SPX’s products include cooling towers and boilers, underground pipe and cable locators, power transformers, and heat exchangers. Brands include Waukesha, Dielectric, Fahrenheat, Radiodetection, and Pearpoint. SPX operates in 17 countries with a sales presence in 100 countries. In 2019, the company earned approximately $1.5 billion in annual revenue. Based in Charlotte, North Carolina, SPX employs over 6,000 employees. Eugene Joseph Lowe is the CEO.
Worldpay, Inc. is an American payment processing company and technology provider. In February 2024, it was separated from Fidelity National Information Services (FIS) to become an independent company once again. It is majority owned by private equity firm GTCR. It is headquartered in the greater Cincinnati, Ohio area. Worldpay, Inc., is the largest U.S. merchant acquirer ranked by general-purpose transaction volume.
Eclipse ERP is a real-time transaction processing accounting software used for order fulfillment, inventory control, accounting, purchasing, and sales. It was created for wholesale distributors in the Electrical, HVAC, Plumbing, and PVF industries, but is used by a wide range of market sectors. At one point this software was called Intuit Eclipse DMS, and Activant Eclipse, and Eclipse Distribution Management System.
Global Payments Inc. is an American multinational financial technology company that provides payment technology and services to merchants, issuers and consumers. In June 2021, the company was named to the Fortune 500. The company processes payments made through credit cards, debit cards, and digital and contactless payments.
