TIME AND MATERIALS

DLH, LLC - OHS MONITORING SUPPORT SERVICES

PIID: 140D0420F0422

Signed Date: Dec 30, 2025Effective Date: Aug 17, 2020End Date: Closed on Oct 31, 2025

Award $

$182.0M

Vendor

DLH, LLC

NAICS

541611

Signed Date

Dec 30, 2025

Key Details

Dollars Obligated

$182.0M

Base & All Options

Awarding Agency

Department of the Interior

Awarding Sub-Agency

Departmental Offices

NAICS Code

541611 - ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES

Product Service Code

R499 - SUPPORT- PROFESSIONAL: OTHER

Extent Competed

FULL AND OPEN COMPETITION

Number of Offers

Place of Performance

SILVER SPRING, MD, 209103739, CD-MD-08

Description

OHS MONITORING SUPPORT SERVICES

Context & Analysis

On Dec 30, 2025, Department of the Interior obligated $182,024,535.2 to DLH, LLC for ohs monitoring support services. The award is classified under NAICS 541611 — ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES and issued as a time and materials contract. Competition extent: full and open competition with 1 offer received. Performance is located in SILVER SPRING, MD. This award is one of several similar procurements from Department of the Interior under NAICS 541611 — related awards are listed below.

Market context

Recompete outlook: Ended Oct 31, 2025 (12 months ago). Recompete signal as of Oct 25, 2026: 35/100, combining time to the end date, the incumbent's history with this agency, whether the award was competed, and its size.
Competition: Competed, with 1 offer. 87% of 660 awards in this market (Department of the Interior awards in NAICS 541611 over the last 3 years) were competed; median 3 offers.
Award size: At $182.0M, this award is larger than 19 in 20 of the 596 priced Department of the Interior awards in NAICS 541611 over the last 3 years (median $346K).
Incumbent at this agency: DLH, LLC has 2 other awards from Department of the Interior, totalling $56.7M, in 2026.
Largest vendors in this market: By obligations, Department of the Interior awards in NAICS 541611 over the last 3 years.
ICF INTERNATIONAL, INC. — 47 awards, $138.3M
MAGELLAN HEALTH, INC — 3 awards, $130.5M
MATHEMATICA INC. — 16 awards, $95.8M
ACUMEN LLC — 3 awards, $80.1M
KADIAK LLC — 1 award, $58.7M

Computed from USAspending award data on Oct 25, 2026.

Contractor Information

Contractor: DLH, LLC

UEI: NQL3JEME2443

CAGE Code: 1RTX7

Location: BETHESDA, MD

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