InterAgency Inc.
Environmental ServicesDistrict of Columbia, United States51-200 Employees
InterAgency Inc. is an environmental services firm that provides preconstruction consulting for complex infrastructure projects in the Washington metropolitan area. Founded in 2011, the company has developed expertise in navigating regulatory channels and clarifying processes for large-scale development. Its work includes managing NEPA for remediation programs valued at billions of dollars, performing Clean Water Act permitting for federal resiliency initiatives, and providing right-of-way consulting to the heavy civil sector. InterAgency has produced architectural designs for multimillion-dollar municipal buildings and coordinated building permits for major regional developers. With 51 to 200 employees, the company is headquartered at 80 m Street Southeast Suite 100, Washington, DC 20003.