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A Longstanding Legacy

For more than half a century, TTR has been the name behind a long list of projects. We have grown from a small civil and structural engineering practice in 1963, to a full-service structural engineering firm that also provides delegated design.

Licensed In:

  • Alabama
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Pennsylvania
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming

Widely Licensed In The U.S.

With a license to design structural engineering projects in 80% of the United States, we are available to handle projects just about anywhere. We are licensed in 42 states and the District of Columbia across every region in the country. 

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