Interagency Inc.

Washington, DC

UEI: EB8XHVND7DB1
CAGE: 80SG8
Primary NAICS: 541620 Environmental Consulting Services
SAM.gov registration: Active through Jul 7, 2027

Company facts

Self-certified in SAM.gov: Minority Owned Business

Self Certified Small Disadvantaged Business

For Profit Organization

Other Than One of the Proceeding

DOT Certified DBE

Subchapter S Corporation
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 221320 Sewage Treatment Facilities

236220 Commercial and Institutional Building Construction

237110 Water and Sewer Line and Related Structures Construction

237310 Highway, Street, and Bridge Construction

237990 Other Heavy and Civil Engineering Construction

541310 Architectural Services

541320 Landscape Architectural Services

541330 Engineering Services

Show all 10

541340 Drafting Services

541820 Public Relations Agencies
SAM.gov registration date: Jan 3, 2018
Physical address: 80 M St SE Suite 100, Washington, DC 20003, USA
Website: interagency.biz
Founded: 2011
Employees: 11-50
Estimated annual revenue: $1M-$10M
Industry: Industrials

Capital Goods

Construction & Engineering

Civil Engineering
SIC code: 87 Engineering & Management Services
Profiles: LinkedIn

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jul 23, 2026.

Contract subawards

Prime contractor	Prime award	Amount	Awarded
HDR Engineering, Inc. HAFE F8982 NCA - IMR BRIDGE PRESERVATION preparation of the PS&E packages and government furnished permit acquisition for Bridge Preservation Improvement within…	140P2024F0049	$42,617	Jun 4, 2026
HDR Engineering, Inc. NAMA 242860 - DD/CD WATERLINE, ARCHITECTURAL AND ENGINEERING (A-E) SERVICES TO REHABILITATE WATER CONVEYANCE SYSTEM FOR POTABLE AND EMERGENCY WATER SUPPLY IN…	140P2025F0204	$32,382	Jan 13, 2026

SBA capabilities narrative

From the vendor's SBA profile

InterAgency Inc. is the premier provider of regulatory consulting services in the greater Washington, DC Metropolitan area. InterAgency serves a wide range of clients in engineering, development, and construction, by navigating opaque regulatory channels and facilitating design solutions. We have a proven track record of saving our clients time and money on large-scale infrastructure and development projects.

Quick answers

Is Interagency Inc. registered in SAM.gov?

Yes. Interagency Inc.'s SAM.gov registration is active through July 7, 2027.

On GovTribe

See Interagency Inc.'s full federal record

Subcontracting relationships
Funding analysis by agency, NAICS and set-aside
Similar vendors

Try for free Login