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In addition to the Fortune 500 companies above, many other companies in multiple fields are headquartered or have based their US headquarters in Houston. Al's Formal Wear; Allis-Chalmers Energy; Allpoint; American Bureau of Shipping; American National Insurance Company (Galveston) Aon Hewitt; Archimage; Avelo Airlines; Axiom Space; Baker Botts ...
Michael Schwab and Dan Schwab are co-presidents at D&H Distributing, which was founded in 1918 by their grandfather. [14] They were named co-presidents of D&H Distributing in 2008. [ 15 ] Since D&H Co-Presidents Michael Schwab and Dan Schwab took over day-to-day operations, the distributor has grown from a $1.45 billion company into a $4 ...
D+H (originally Davis & Henderson) was a Canadian global payments and lending technology provider serving nearly 8,000 financial institutions, specialty lenders, community banks, credit unions, governments and corporations, including Canada's five largest banks. [3]
The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]
D.H. Griffin Companies is a group of six independently owned but integrated companies that perform contract demolition as well as environmental and site development services. It was founded in 1959 and is headquartered in Greensboro, North Carolina .
After several more years of refinement and field testing, on January 2, 1906, Carrier was granted U.S. patent 808,897 for an Apparatus for Treating Air, the world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water for the first function and cooling it for the second.
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