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    Photo 201218181 © Pramote Polyamate | Dreamstime.com
    UMC
    Haberberger
    A Haberberger technician welds a section of cast iron pipe at the company's new piping facility.
    April 28, 2023
    Southland Industries
    The new Central Records Complex (CRC) located in Winchester, Virginia.
    Harris Co.
    A large prefabricated piping assembly for the Minneapolis Bus Garage job. Note the worker in back for scale.
    Photo 79465229 © Prasit Rodphan | Dreamstime.com
    Dreamstime S 79465229
    McKinstry
    210929 1930 Boren 017
    TDIndustries
    Block 185, still under construction, is attempting to achieve a LEED Gold Rating under LEED v4 for BD+C: Core and Shell.
    John W. Danforth Co.
    Buffalo Welding Shop

    2015 Book of Giants - Top Ten Companies by Type of Work

    May 8, 2015
    The largest mechanical contractors in the nation, broken out by the type of work they do.

    The largest mechanical contractors in the nation, broken out by the type of work they do.

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    From this years Taco hospitality party after Monday of AHR
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