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about us

The Original Contractor

Our story began in 1891. Four young engineers in Grand Rapids, Michigan had a vision to build a great city. Their resumés were written in the lines of their hardened, calloused hands.

  • DBP 1415
  • O A K Colorado Team
  • About logos
  • About Federal Office Building 1970
  • About Hotel Morton 1922
  • About O A K Crew 1940s
  • The Michigan team.
  • The Colorado leadership team.
  • O‑A‑K logos throughout the years.
  • O‑A‑K builds the Federal Office Building in Grand Rapids, circa 1970.
  • O‑A‑K working on Hotel Morton in 1922.
  • The 1940s O‑A‑K crew.
core ideology

OUR VALUES

  • Choosing what's right, every time
  • A can-do attitude
  • A Personal Sense of Responsibility
  • People who value other people