Department of Energy (DOE): NAICS 541620 — Environmental Consulting Services

0open solicitations
$12.8Mobligated in FY2026
31contracts ending within 18 months

Open solicitations

Nothing is open in this category right now.

How DOE NAICS 541620 spends

FY2021$283.4M
FY2022$70.8M
FY2023$25.4M
FY2024$39.1M
FY2025$29.9M
FY2026$12.8M
FY2027*$436K

Contract obligations by federal fiscal year (October–September), from USASpending.gov award data. IDIQ ceilings are excluded. * The current year is partial, and USASpending lags 4–8 weeks.

DOE NAICS 541620 contracts expiring in the next 18 months

31 contracts worth $242.4M.

IncumbentBuyerWhatValueEndsEst. solicitationRecord
EDWARD HOLMES, INC.Department of Energy541620 Environmental Consulting Services$4.4M30 November 2026Now / imminentDetails
SIMPSON GUMPERTZ & HEGER INC.Federal Energy Regulatory Commission541620 Environmental Consulting Services$100K02 December 2026Now / imminentDetails
TETRA TECH, INC.Department of Energy541620 Environmental Consulting Services$846K03 December 2026Now / imminentDetails
ACCENT COMPLIANCE, LLCFederal Energy Regulatory Commission541620 Environmental Consulting Services$1.5M31 December 2026Now / imminentDetails
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INCDepartment of Energy541620 Environmental Consulting Services$4.8M31 January 2027Now / imminentDetails
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INCDepartment of Energy541620 Environmental Consulting Services$596K25 February 2027Now / imminentDetails
TETRA TECH, INC.Federal Energy Regulatory Commission541620 Environmental Consulting Services$1.0M28 February 2027Now / imminentDetails
TETRA TECH, INC.Department of Energy541620 Environmental Consulting Services$4.5M16 March 2027Now / imminentDetails
NORTH WIND SITE SERVICES, LLCDepartment of Energy541620 Environmental Consulting Services$2.1M27 March 2027Now / imminentDetails
ENVIRONMENTAL RESEARCH GROUP, L.L.C.Department of Energy541620 Environmental Consulting Services$188K (3 orders)30 March 2027Now / imminentDetails
PROJECT ENHANCEMENT CORPORATIONDepartment of Energy541620 Environmental Consulting Services$31.0M31 March 2027Now / imminentDetails
FED95 LLCDepartment of Energy541620 Environmental Consulting Services$369K31 March 2027Now / imminentDetails
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INCDepartment of Energy541620 Environmental Consulting Services$1.3M13 April 2027Now / imminentDetails
PROJECT ENHANCEMENT CORPORATIONDepartment of Energy541620 Environmental Consulting Services$39.7M30 April 2027Now / imminentDetails
S & K FEDERAL SERVICES LLCDepartment of Energy541620 Environmental Consulting Services$696K30 April 2027Now / imminentDetails

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

NAICS 541620 across every agency → · Everything DOE has open →

FedSift turns SAM.gov and USASpending data into federal BD intelligence — smart matches, recompete radar, cited AI solicitation analysis and compliance matrices.

Source data: SAM.gov (solicitations) and USASpending.gov (awards), refreshed nightly. FedSift is not affiliated with the U.S. Government.

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