RW Holland Inc

Founded in 1954, Air-X-Changers is one of the leading international suppliers of air-cooled heat exchangers in Oklahoma. The company is also among the oldest and largest manufacturing companies in the natural gas processing and petrochemical industries. Air-X-Changers clients include Solar Turbines, Rolls Royce, Siemens Westinghouse, Natural Gas Corporation of New Zealand, Texas Oil & Gas Company, Yemen Exploration & Production and Dow Chemical Company. The company s units are also used in turbine lube oil and liquids cooling and landfill gas compression. Air-X-Changers is a division of Harsco Corporation, which is one of the global market leaders that provides high-value industrial services and products with operations at more than 400 locations in over 40 countries.

Alfa Laval is a leading global provider of specialized products and engineering solutions based on its key technologies of heat transfer, separation and fluid handling. The company s equipment, systems and services are dedicated to assisting customers in optimizing the performance of their processes. The solutions help them to heat, cool, separate and transport products in industries that produce food and beverages, chemicals and petrochemicals, pharmaceuticals, starch, sugar and ethanol. Alfa Laval s products are also used in power plants, aboard ships, in the mechanical engineering industry, in the mining industry and for wastewater treatment, as well as for comfort climate and refrigeration applications. Alfa Laval s worldwide organization works closely with customers in nearly 100 countries to help them stay ahead in the global arena. Alfa Laval is listed on the Nordic Exchange, Nordic Large Cap, and, in 2007, posted annual sales of about SEK 25 billion (approx. 2.7 billion Euros). Alfa Laval has a location in Lykens, Pa.

Founded in 1964, Air Cooled Exchangers (ACE) is one of the oldest independently owned air-cooled heat exchanger companies in Oklahoma. It has been located at its 13-acre facility in Broken Arrow, Okla., since 1974. Through several expansions, the company has nearly 80,000 square feet of space. ACE fabricates nearly all of the components for its coolers. This includes the structure and headers, as well as the fin tubes. The product line includes horizontal and vertical coolers, both forced draft and induced draft, engine drive or electrical driven. Cooler sizes range from a single 24-inch fan to multiple fan units up to 16 feet in diameter. Pressure ranges up to 10,000 pounds per square inch are available. Sales are handled with both in-house sales staff and Air Cooled Exchangers territory representatives.