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About Us

Montero Construction Services was created in 2021 by Sarah O'Sullivan and is based in St. Louis, Missouri. Montero is a certified WBE specializing in project management, engineering, and compliance services. 

Current Areas Served

  • Missouri
  • Illinois
  • Kansas
  • Louisiana
  • Texas

Featured Project

Montero is currently providing project management and project controls services on a multi-billion-dollar liquid natural gas terminal project in southern Louisiana. 

Diversity and Inclusion

As a WBE and small business, we value the uniqueness of our current and future employees, subcontractors and vendors. We believe that diversity in the workplace is a key element to the success of our business and community. 

Copyright © 2023 Montero Construction - All Rights Reserved.

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