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    CONTRACTOR's Top 100 mechanical contractors and who they are

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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.

    Tale of Two Giants

    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.

    Highlights

    John W. Danforth Co.
    Buffalo Welding Shop

    In the Footsteps of Giants

    May 7, 2021
    Our Giants have responded, adapted, and in many cases found new pathways to success.
    Cannistraro
    Img 4919 Promo

    Book of Giants 2021

    May 3, 2021
    As the nation emerges from the pandemic our Giants have embraced new technology and invested in their people while continuing to deliver essential services for their clients.
    Four of TDI's employee-partners. Phot: TDIndustries
    Wic Week Updated

    TDIndustries Celebrates Women in Construction Week

    March 10, 2021
    The company is highlighting women in the industry throughout March.
    From left to right, Jones, Lackey and Haberberger. Photo: Haberberger, Inc.
    Kyle Jones Rick Lakey Sam Haberberger

    Haberberger Welcomes Three New Employees

    March 8, 2021
    The mechanical contractor welcomes Rich Lackey, Sam Haberberger and Kyle Jones.
    Harris Logo

    Harris Named 2021 Top Workplaces USA

    Feb. 1, 2021
    Honor highlights people-centered culture and reflects employee initiatives.
    Wa Buiilding 800x1200 1

    Wiegmann Associates Celebrates its 25th Anniversary

    Dec. 28, 2020
    The company has now engineered and installed more than $1 billion in commercial HVAC comfort solutions across 42 states.
    msan10 / iStock / Getty Images Plus
    JamesBondish.jpg

    Staying Successful Means Taking Risks

    May 31, 2019
    Not one of the 100 companies on our Book of Giants list got there by resting on their laurels.
    DunbarMechanical_logo.jpg

    Sale of Dunbar Mech. to Limbach Falls Through

    May 30, 2019
    Limbach’s September press release announced their plans to acquire Dunbar Mechanical; the sale agreement was not executed.
    Awards Team.jpg

    UMC Receives AGC Washington Grand Award for Safety Excellence

    May 23, 2019
    The award comes on the heels of UMC winning the National 1st Place MCAA/CNA Safety Excellence Award in their category for the second year in a row.
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