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Mesta Machinery

Mesta Machinery was a leading industrial machinery manufacturer based in the

  • Second Part of Demise of Mesta Machinery

Further reading

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A spin off company called Mestek briefly had some success.[14]

Mesta filed for bankruptcy in February 1983, and most of its West Homestead works was sold off in June 1983.[12] The company's last assets were sold in April, 1988.[13]


The company manufactured a 9-story forging press for ALCOA in 1954 that was still in operation in the 1980s. The press manufactures aluminum for 747 and DC-10 jetliners.[10][11]

Post war success

Mesta, and later Iverson operated the Hays Army Ammunition Plant from the 1940s through the 1960s.

Mesta's West Homestead plant was a center for World War II production. It earned the coveted Army-Navy E Award and was only one of seven factories to earn six stars.[7] Mesta specialized in manufacturing 16 inch naval guns, ship-propeller shafts, artillery carriages and "Long Toms" 155-mm cannons that hurled 100-pound shells 15 miles. Iversen personally oversaw the production of "Little David" a 36-inch bore mortar that was put into production for the canceled Japanese invasion.[8] During the war, Iversen transformed Mesta into one of the nation's top ordinance suppliers, personally working 18-hour shifts on the factory floor. His accounting department also ran two 8 hour shifts per day.[9]

World War II

Iversen was described by many former employees as the "glue" that held Mesta together, the personification of the company. In the 1930s he won a large contract with a doubting steel manufacturer by foregoing the company's standard fee in exchange for a share of the profits of the manufactured mill. He would regularly cheer on his workers and had a ritual of standing on a hastily made stage every time Mesta won a new contract and exclaiming: "We got this job because you’re the best mechanics in the world!" He often visited the work benches to have face-to-face talks with employees and would work the factory floor even on weekends, holidays and Christmas regularly asking workers about new babies or ailing family members. Mesta workers repeatedly voted down outside efforts to unionize the factory despite its proximity to other unionized steel mills including the infamous in labor history Homestead Mill. Iversen credited his employment policy based on "human relations" as the chief reason his workers rejected unionization. However a month after his death in 1967 (and four years after he stepped down as president) Mesta was finally unionized.[6]

Management style

Lorenz Iversen took over the company in 1930, leading it until December 31, 1963, at age 87. One of the first things Iversen accomplished upon taking over in the early 1930s was to buy out Perle Mesta's controlling preferred stock, effectively buying the company from her. Iversen was a native of Denmark and immigrated to the U.S. working in a factory in New Jersey before returning to Denmark to get his degree in engineering before starting at Mesta as a draftsman in 1903. Prior to 1930 he became chief engineer and held personal patents on devices integral to every machine manufactured by Mesta, allowing him to establish $4 million trusts ($69.1 million today) for each of his five children by 1932. Mesta won the contract to build the Mon Valley Works - Irvin Plant for U.S. Steel in 1934.

President Iversen

Harry F. Wahr was the handpicked successor to Mesta and his nephew. Wahr committed suicide in 1930.

President Wahr

By 1919 Mesta employed 3,000 at West Homestead and manufactured everything from ship propeller shafts to giant turbines for power plants and dams. In 1917, George's wife Perle Mesta wrote that the works "was a thrilling site, spread over many acres on the banks of the Monongahela." George Mesta died in 1925.

President Mesta


  • President Mesta 1
  • President Wahr 2
  • President Iversen 3
    • Management style 3.1
    • World War II 3.2
    • Post war success 3.3
  • Demise 4
  • References 5
  • Further reading 6

[5] and the 414th largest in 1959.[4] Mesta was the 488th largest American company in 1958[3] Mesta "machines" can be found in factories throughout the world and as of 1984 had equipment in 500 steel mills.[2][1]

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