Howard Stanley Hart was a turn-of-the-century entrepreneur, inventor, industrialist, and builder. In 1892, in partnership with Norman P. Cooley, he established the Hart & Cooley Manufacturing Company in Chicago, the first cold-rolled steel plant west of Pittsburgh. One of Hart's many inventions of the next few years was a steel heating register that proved superior to traditional heavy cast-iron models.

Bradford White Corporation was founded in 1881. Bradford White Corporation helps folks get in (and stay in) hot water. Bradford White Corporation manufactures water heaters for residential, commercial, and industrial heating applications. It makes oil-fired products, gas power burners, and indirect-fired units. Through subsidiaries Bradford White-Canada and LAARS Heating Systems, it also manufactures products such as pool heaters, oil burners, and air handlers. Bradford White Corporation wholesales its products through a network of plumbing and heating professionals. Subsidiary Niles Steel Tank produces custom steel tanks for companies in the automotive, petrol-chemical, pharmaceutical, and refrigeration industries.

Carlin Combustion Technology burns more than just the midnight oil. Carlin Combustion Technology, Inc. makes natural gas, propane, fuel oil, and furnace oil burners, as well as igniters, controls, and related components such as motors, oil valves, circuit interfaces, and burner cover kits, for both residential and commercial applications. It also offers one-day professional training sessions on the components, setup, and testing of its residential oil, residential gas, and commercial oil and gas burners. Carlin Combustion Technology distributes its products throughout the US, as well as in Puerto Rico and Canada.

Warings Contractors provides building services to a number of different sectors, including residential, commercial, and industrial. In addition, the design/build company has worked on defense-related projects, built airport structures, and constructed leisure properties such as hotels and country clubs. Warings, which operates in southern England, has also been part of J Sainsbury's store reinvigoration project in that region. The firm began as a small family-owned business in Yorkshire that relocated to Portsmouth in 1933. It was bought out by management in 1998, then acquired by French construction firm Bouygues SA in 2007.

United Subcontractors, Inc. (USI) insulates its customers from the harsh conditions of the great outdoors. The company, which was founded in 1998, installs residential and commercial insulation systems in more than 150,000 homes and buildings annually. In addition to new residential projects, the company provides services for commercial construction. It also offers building products including shelving, fireproofing, garage doors, flooring, windows, glass, and paneling. USI has some 35 US locations. A downturn in the construction and new home building market forced USI to file for Chapter 11 bankruptcy protection in 2009. It emerged from bankruptcy later that year.

Winalta Inc. rents, delivers, and maintains modular camp units, trailers, and power and water systems for use at well sites, mines, and lumber camps in western Canada. Winalta shed its manufactured home building and construction services business in 2010 after emerging from creditor protection. The company disposed of several assets, including land, homes, manufacturing plants, and gravel pit leases, in order to reduce its $46 million debt. Some of that debt likely came from the 2009 acquisiton of Winalta Envirocore, a road builder for the oil and gas industry. The recession drove down demand and Winalta's revenues and stock prices plunged that same year.

Geo-Marine displays Marine-like discipline in providing engineering and environmental compliance and remediation services for a wide range of public and private sector clients, including the US government (including the Department of Defense and the Air National Guard). Services range from energy conservation analysis to archeological investigations to the development of radar-based bird-detection systems for aircraft. The firm has undertaken projects throughout North America and in the Caribbean, South America, and Asia. The company, which operates from seven offices across the US, was acquired by Applied Research Associates in 2009.

Ozanne Construction Company, Inc., the company provides general contracting, construction management, and facilities management services for both public and private sectors. The company constructs schools, detention facilities, and commercial buildings throughout the midwestern US. Ozanne clients have included the Cleveland Browns, NASA, the US Air Force, and the University of Akron. The company also specializes in environmentally-friendly building techniques and has completed many green projects for the government and private companies. Chairman Leroy Ozanne founded Ozanne Construction in 1956; it is one of the largest minority-owned companies in the US.

AERCO International, Inc. (AERCO) is a leading supplier of boilers and water heating products, and the originator of semi-instantaneous water heating. When AERCO was founded in 1949, it introduced a revolutionary design for an indirect-fired water heater that heated water on demand, and without storage, at a controlled temperature. This innovation became today's standard for water heaters. With continued improvements, AERCO has been able to maximize the recovery of latent heat energy, significantly increasing the operating efficiency of this equipment.In 1988, AERCO again shook the industry as the first U.S. manufacturer to offer a fully modulating and condensing commercial gas-fired water heater and promptly extended this design to the hydronic boiler marketplace. The modulating capability of these products (still unsurpassed 20 years later) match the equipment's output to real-time heating demand, ensuring that the units draw no more fuel to operate than is absolutely necessary. Their condensing design extracts much of the usable heat from the water vapors created during the combustion process, making sure that your money doesn't disappear "up the stack." AERCO's culture embraces the principle of continual process improvement. Throughout the organization, AERCO has adopted state-of-the-art manufacturing methods, disciplined product development and rigorous quality-management programs to ensure that our products are delivered on time and with top-notch service to the customer. Our sales and marketing staff are determined to set the lead in system designs by working with consulting engineers, contractors and end users to ensure that systems maximize energy and space utilization in a cost effective way. AERCO pursues these practices with just one goal in mind: to satisfy our customers and provide them with the highest quality product and service.

Obayashi Corporation’s first introduction to the U.S. market was the Surfrider Hotel project in Hawaii (1967-69). In 1972 Obayashi fully expanded its horizon to the U.S. and established Obayashi America Corporation (OAC) in Los Angeles. OAC provided a wide range of services from tenant improvement, to construction of office buildings, residential condos, banks, hotels, warehouses, and large-scale industrial projects.

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