Latest from Book of Giants

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.
John W. Danforth Co.
Buffalo Welding Shop
Cannistraro
Img 4919 Promo
Four of TDI's employee-partners. Phot: TDIndustries
Wic Week Updated
Contractormag 2458 Usmap
  1. Book of Giants

Top ten Giants: Where they are

June 24, 2015
This map shows the company headquarters of the nation's largest mechanical contractors, as compiled by our 2015 Book of Giants.

This map shows the company headquarters of the nation's largest mechanical contractors, as compiled by our 2015 Book of Giants. Just click the pin to see their revenue in millions.

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