Certifications

Tierra is an 'S' Corporation, incorporated in the State of Arizona in 1989. Over our 30 years in operation, Tierra has grown from a two-person, local right of way firm into a multi-disciplined land services firm servicing the western U.S. 

  • Minority Women's Business Enterprise (MWBE), State of Washington
  • Woman and Minority Owned Business Enterprise (WMBE), California Public Utilities Commission
  • Minority Business Enterprise (MBE), Pacific Southwest Minority Supplier Development Council
  • Self-certified Woman Owned Small Business (WOSB), Small Business Administration
  • Resident Business, State of New Mexico