Interagency Inc.

Interagency Inc. company information, Employees & Contact Information

Updated May 2026

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Interagency Inc. is a Environmental Services company and founded in 2011. It has approximately 32 employees on record. Contact data was last refreshed in May 2026. Find Interagency Inc.'s verified employee emails, phone numbers, headquarters address, and key decision makers below.

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InterAgency provides preconstruction consulting for the Washington Metro Area’s most complex and challenging infrastructure projects. Since our founding in 2011, we have navigated opaque regulatory channels and clarified complex processes for largescale development. Over the course of our 10-year history, we have managed NEPA for billion-dollar remediation programs, performed Clean Water Act permitting for federal resiliency initiatives, and provided ROW consulting to the heavy civil industry. We have produced the architectural designs for multimillion-dollar municipal buildings, and coordinated building permits for the biggest developers in the region, saving our clients both time and money.

Company Details

Employees
32
Founded
2011
Address
80 M Street Se, Suite 100, Washington,dc 20003,united States
Industry
Environmental Services
NAICS
Environmental Consulting Services
HQ
Washington, DC
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