Signatory Contractors

We would like to recognize and thank all of our signatory union contractors.  Click on the Local Unions below for a complete listing of our contractors.

If you would like to become signatory to the National Maintenance Agreement click on the following link and follow the instructions for Become a Signatory.


  • Allen Gauge & Tool Company
  • Barkhurst Construction
  • EPIC Metals Corporation
  • Groll Ornamental Iron Works
  • Ohio Valley Steel Company
  • Safety Guard Steel Fabricating Company
  • Southern Steel Products Company
  • J.P. Mull Supply
  • Kincaid Manufacturing, Inc.
  • L.B. Foster Company
  • Minnotte Manufacturing Corporation
  • Uptegraff Manufacturing Company
  • Reynolds Manufacturing Company
  • T. Bruce Sales