Agencies › National Aeronautics and Space Administration › NAICS 541620

National Aeronautics and Space Administration (NASA): NAICS 541620 — Environmental Consulting Services

0open solicitations

$9.8Mobligated in FY2026

24contracts ending within 18 months

Open solicitations

Nothing is open in this category right now.

How NASA NAICS 541620 spends

FY2021$39.3M

FY2022$2.0M

FY2023$5.6M

FY2024$44.8M

FY2025$53.4M

FY2026$9.8M

FY2027*$1.0M

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.

NASA NAICS 541620 contracts expiring in the next 18 months

24 contracts worth $98.0M.

Incumbent	Buyer	What	Value	Ends	Est. solicitation	Record
TETRA TECH, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$9.8M	31 October 2026	Now / imminent	USASpending
AECOM TECHNICAL SERVICES, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$14.4M (3 orders)	30 November 2026	Now / imminent	USASpending
STRAUGHAN ENVIRONMENTAL, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$766K	30 November 2026	Now / imminent	USASpending
AECOM TECHNICAL SERVICES, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$279K	31 December 2026	Now / imminent	USASpending
HYDROGEOLOGIC, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$2.9M	30 January 2027	Now / imminent	USASpending
TETRA TECH, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$1.7M	31 January 2027	Now / imminent	USASpending
STRAUGHAN ENVIRONMENTAL, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$989K (2 orders)	31 January 2027	Now / imminent	USASpending
TETRA TECH, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$3.0M (2 orders)	28 February 2027	Now / imminent	USASpending
JACOBS GEOSYNTEC A JOINT VENTURE	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$2.1M (2 orders)	31 March 2027	Now / imminent	USASpending
HSG, LLC	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$1.1M (2 orders)	31 March 2027	Now / imminent	USASpending
HYDROGEOLOGIC, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$583K	17 July 2027	~Q1 2027	USASpending
DDC 4C, LLC	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$3.1M	31 July 2027	~Q1 2027	USASpending
TETRA TECH, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$383K	09 August 2027	~Q1 2027	USASpending
JACOBS GEOSYNTEC A JOINT VENTURE	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$10.8M (3 orders)	30 September 2027	~Q2 2027	USASpending
TETRA TECH, INC.	National Aeronautics and Space Administration	541620 Environmental Consulting Services	$7.1M (2 orders)	30 September 2027	~Q2 2027	USASpending

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.

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