Locations

With offices spread across the country, we are able to work with clients locally, nationally, and globally. To reach out to your local Collins team, select your location either on the map below or filter through our locations further down the page. Then fill out the form to let us know how we can assist you!

This map shows our office locations. Use arrow keys to pan the map, plus and minus keys to zoom, and tab key to navigate between location markers. Press Enter or Space to view location details.

Hampton, VA

Fairfax, VA

Milwaukee, WI

Green Bay, WI

Contact Us

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For our subconsultants and vendors:

  • Please submit your invoices electronically to AccountsPayable@collinsengr.com.
  • Subconsultants’ billings must include the Collins project number on the invoice and be submitted by the 4th of each month to be included on the current month’s pay request.
  • If you have a question regarding the details of your invoice, please follow-up with your Collins contact.

Collins Engineers, Inc. ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964. If you need more information or special assistance for persons with disabilities or limited English proficiency, contact our human resources department at:

(312) 236-4170

TTY/TDD: 711 (312) 704-9300