Federal Contract Vehicles

RAF ESO

EPA Remedial Acquisition Framework – Environmental Services and Operations (ESO)

EPA IDIQ Active
Obligated to date
$177.6M
Task orders
258
Companies awarded
21
Ceiling
$320 million (for EPA Regions 1, 2, and 3)

Vehicle overview

The EPA Remedial Acquisition Framework – Environmental Services and Operations (ESO) is an IDIQ managed by the Environmental Protection Agency to provide remedial cleanup operation and oversight. It serves as a national vehicle for the Superfund Remedial Program, facilitating technical oversight and operational support at contaminated sites across the U.S. The vehicle has a total ceiling of $530 million.

Specific work categories include EPA-lead preliminary assessments, long-term response actions, five-year reviews, and oversight of Potentially Responsible Parties and Federal Facilities. The vehicle is structured into three geographic pools: CLIN 1 (Regions 1-3), CLIN 2 (Regions 4-7), and CLIN 3 (Regions 8-10).

Vehicle details

Ordering period

2018-2028

Ceiling

$320 million (for EPA Regions 1, 2, and 3)

Where agencies spend through RAF ESO

See which agencies and types of work reported the most positive obligations through RAF ESO in the last 12 months.

Coverage period Jul 28, 2025–Jul 27, 2026

RAF ESO contract holders

Contractor Obligated Task orders
OCH JV $40.8M 45
EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC $36.9M 49
TECHLAW CONSULTANTS INC $21.3M 56
HELIOTECH $18.1M 35
NOBIS ENGINEERING, INC $15.8M 12
HYDROGEOLOGIC, INC. $11.0M 14
PARS ENVIRONMENTAL INC $7.4M 4
ENVIRONMENTAL RESTORATION LLC $6.2M 3
AEEC, LLC $5.5M 7
TOEROEK ASSOCIATES, INC. $3.3M 5
CLEARPATH CONSULTANTS JV $2.8M 8
SOVEREIGN CONSULTING INC $2.2M 6
ARROWHEAD CONTRACTING, LLC $2.1M 3
PWT-BAY WEST JOINT VENTURE LLC $1.8M 4
DAWSON-HDR SERVICES JV, LLC $1.2M 3

Top 15 of 21 companies by obligations.

NAICS coverage

NAICS 562910

Frequently asked questions

What is RAF ESO?
The EPA Remedial Acquisition Framework – Environmental Services and Operations (ESO) is an IDIQ managed by the Environmental Protection Agency to provide remedial cleanup operation and oversight. It serves as a national vehicle for the Superfund Remedial Program, facilitating technical oversight and operational support at contaminated sites across the U.S. The vehicle has a total ceiling of $530 million.
Which agency manages RAF ESO?
EPA Remedial Acquisition Framework – Environmental Services and Operations (ESO) is a IDIQ managed by Environmental Protection Agency.
What can agencies acquire through RAF ESO?
Specific work categories include EPA-lead preliminary assessments, long-term response actions, five-year reviews, and oversight of Potentially Responsible Parties and Federal Facilities. The vehicle is structured into three geographic pools: CLIN 1 (Regions 1-3), CLIN 2 (Regions 4-7), and CLIN 3 (Regions 8-10).
How much has been obligated through RAF ESO?
$177.6M has been obligated across 258 task orders.
Which agencies use RAF ESO?
In the 12 months ending July 27, 2026, agencies with reported awards through RAF ESO included Environmental Protection Agency. Environmental Protection Agency reported $31.1M in positive obligations for Remediation Services (NAICS 562910). Figures use reported USAspending award data.
How many contractors hold RAF ESO?
21 contractors hold a position on RAF ESO.
What is the contract ceiling of RAF ESO?
RAF ESO has a program ceiling of $320 million (for EPA Regions 1, 2, and 3).
Is RAF ESO active?
Yes, RAF ESO is currently active (ordering period: 2018-2028).

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