Gardner Denver

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Gardner Denver
Type Private
Industry Diversified Machinery
Fate Acquired
Founded 1859
Founders Robert Gardner
Headquarters Milwaukee, Wisconsin, United States
Area served Worldwide
Key people Peter Wallace President (CEO)
Products Compressors, vacuum & blowers, liquid ring pumps, petroleum pumps, loading arms, couplers, water jetting, and others
Revenue IncreaseUS$2.37 billion (FY 2011)[1]
Operating income IncreaseUS$400.71 million (FY 2011)[1]
Net income IncreaseUS$277.56 million (FY 2011)[1]
Total assets IncreaseUS$1.02 billion (FY 2011)[1]
Total equity IncreaseUS$1.37 billion (FY 2012)[1]
Owners Kohlberg Kravis Roberts
Footnotes / references

Gardner Denver, Inc., founded in 1993, but with a history going back to the 1850s, is a company that designs, manufactures, and globally markets engineered industrial machinery and related parts and services. Based in Milwaukee, Wisconsin, it operates in three groups: the Industrials Group, Energy Group, and Medical Group.

The Industrials Group designs, manufactures, markets and services rotary screw, reciprocating and sliding vane compressors and multistage and positive displacement, centrifugal and side-channel blowers. The end market sectors served by the Industrials Group are primarily industrial manufacturing, transportation, energy, mining and construction, environmental and food and beverage.

The Energy Group manufactures, markets and services liquid ring pumps and engineered systems for power generation, environmental, petrochemical, pulp and paper, and industrial applications; pumps and fluid transfer equipment used primarily in oil and natural gas well drilling, servicing and production, and petrochemical and industrial applications. This Group's products also include loading arms, swivel joints, couplers, valves, fall protection and access equipment used to load and unload ships, tank trucks and rail cars.

The Medical Group manufactures single-piece piston reciprocating, diaphragm and linear compressor and vacuum pumps, which are used in medical, environmental and laboratory applications.

Gardner Denver sells its products through independent distributors,[2] sales representatives, as well as directly to Original equipment manufacturers (OEMs), engineering firms, packagers, and end users.


  • 1859 The Gardner Governor Company, founded by Robert Gardner, introduces the first effective speed controls for steam engines. This innovation, known as the flyball governor, helped pave the way to later production of other industrial products such as air compressors.
  • 1927 The company merges with the Denver Rock Drill Company and became Gardner-Denver.
  • 1959 During the postwar period of growth, Gardner-Denver makes a number of acquisitions, including the CycloBlower Company, a manufacturer of helical screw blowers.
  • 1979 It is acquired by Cooper Industries, Inc. (Cooper) and operates as ten unincorporated divisions.
  • 1985 Two of these divisions, the Gardner-Denver Air Compressor Division and the Petroleum Equipment Division, are combined to form the Gardner-Denver Industrial Machinery Division.
  • 1987 Cooper acquires the Sutorbilt and DuroFlow blower product lines and the Joy industrial compressor product line, which are also consolidated into the division.
  • December 31, 1993 Cooper transfers the assets and liabilities of the Industrial Machinery Division to the Gardner-Denver Company, formed as a wholly owned subsidiary of Cooper.
  • April 15, 1994 The Gardner-Denver Company is spun off as an independent company to the Cooper shareholders.
  • January 1998 Gardner-Denver acquires Princeton, Illinois-based Champion Pneumatic and Fort Worth, Texas-based Geological Equipment.
  • September 2001 It acquires UK compressor manufacturer Hamworthy, Belliss & Morcom from Powell Duffryn Group for £21 million.[3]
  • In January 2004 Gardner Denver Inc purchased Siltone and the EMCO Wheaton businesses were consolidated into the Emco Wheaton Division, operating within Gardner Denver’s Energy Group, where it resides to this day.
  • 2009 Gardner Denver, Inc. marks its sesquicentennial (its 150 years) as a company.
  • July 30, 2013 Gardner Denver goes from a publicly traded to a private company when its outstanding shares are purchased by US multi-national private equity firm Kohlberg Kravis Roberts & Co. L.P.

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