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Environmental Consulting Services (NAICS 541620) contracts expiring 2027–2028

19 small-business set-aside contracts in NAICS 541620 end between Apr 18, 2027 and Apr 18, 2028, with $86,476,212 obligated so far. 2 score as high priority (80+). Biggest buyers: National Oceanic and Atmospheric Administration, Department of the Army, Bureau of Reclamation. By set-aside: 14 WOSB/EDWOSB, 3 small business, 1 HUBZone, 1 8(a).

Data as of Oct 17, 2026 from USAspending.gov (refreshed weekly, last Oct 17, 2026). 3 open NAICS 541620 bids now · NAICS 541620 size standard · How the score works

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Contracts ending, highest score first

Score	Incumbent	Agency	Industry	State	Total obligated	Ends
93	DR REED & ASSOCIATES, INC CONTINUOUS FLOW AND WATER QUALITY MONITORING NETWORK IN THE SACRAMENTO-SAN JOAQUIN DELTA… Why 93? ends in 6 mo · no option years left · $14M · 2 offers last time · standalone contract Ends in about 6 months (Apr 30, 2027). +30/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $14M obligated so far. +16/20 Last time it was competed under simplified acquisition procedures with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of the Interior Bureau of Reclamation	Environmental Consulting Services…	CA	$13,509,855	Apr 30, 2027
83	AYALL JV LLC CULTURAL RESOURCES PROJECTS TO SUPPORT FORT BLISS CONSERVATION BRANCH FORT BLISS, TEXAS… Why 83? ends in 6 mo · no option years left · $2.4M · 1 offer last time · vehicle holders only Ends in about 6 months (Apr 30, 2027). +30/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $2.4M obligated so far. +10/20 Last time it was competed among eligible firms (set-aside competition), and only 1 offer came in. +20/20 Ordered under an IDIQ contract (W912BV22D0012); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2023 (about 3 years).	Department of Defense Department of the Army	Environmental Consulting Services…	TX	$2,392,758	Apr 30, 2027
75	AEHS INCORPORATED ENVIRONMENTAL SPECIALIST (2CME) Why 75? ends in 11 mo · no option years left · $1.4M · 2 offers last time · standalone contract Ends in about 11 months (Sep 30, 2027). +20/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $1.4M obligated so far. +8/20 Last time it was competed among eligible firms (set-aside competition) with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2022 (about 4 years).	Department of Defense Department of the Army	Environmental Consulting Services…	TX	$1,352,676	Sep 30, 2027
74	TECHGLOBAL INC WEST COAST REGION (WCR) OREGON-WASHINGTON COASTAL OFFICE (OWCO) AND INTERIOR COLUMBIA… Why 74? ends in 9 mo · no option years left · $1.6M · 2 offers last time · vehicle holders only Ends in about 9 months (Jul 7, 2027). +26/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $1.6M obligated so far. +8/20 Last time it was competed in full and open competition with 2 offers. +17/20 Ordered under an IDIQ contract (1305M419DNCNA0028); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2024 (about 2 years).	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	WA	$1,636,048	Jul 7, 2027
69	RESEARCH PLANNING, INC. 47QRAA19D003K/1305M226F0457: NOS/OCM: DEEP SEABED ENVIRONMENTAL AND POLICY SUPPORT… Why 69? ends in 11 mo · no option years left · $1.0M · 3 offers last time · GSA Schedule holders Ends in about 11 months (Sep 29, 2027). +20/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $1.0M obligated so far. +7/20 Last time it was competed in full and open competition with 3 offers. +17/20 Ordered under a GSA Schedule (FSS) contract (47QRAA19D003K); you would likely need your own GSA Schedule to compete. +5/10	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$1,022,998	Sep 29, 2027
68	AEROSTAR ENVIRONMENTAL AND CONSTRUCTION LLC FULL FLOW MAINTENANCE, AMR Why 68? ends in 11 mo · no option years left · $9.1M · sole source last time · standalone contract Ends in about 11 months (Sep 30, 2027). +20/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $9.1M obligated so far. +14/20 Last time it was not competed under simplified acquisition procedures, so the agency could sole-source the follow-on again. +4/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2022 (about 4 years).	Department of Defense Department of the Army	Environmental Consulting Services…	HI	$9,093,882	Sep 30, 2027
66	GRYPHON ENVIRONMENTAL, LLC NON-PERSONAL DPW SUPPORT SERVICES AT VARIOUS LOCATIONS WITHIN THE 88TH RDS 19 STATE… Why 66? ends in 6 mo · options could run to Apr 2031 · $8.9M · 3 offers last time · GSA Schedule holders Ends in about 6 months (Apr 30, 2027). +30/30 Unexercised options on record could extend it to Apr 30, 2031, so the agency may extend instead of recompeting. +0/20 $8.9M obligated so far. +14/20 Last time it was competed in full and open competition with 3 offers. +17/20 Ordered under a GSA Schedule (FSS) contract (GS10F144BA); you would likely need your own GSA Schedule to compete. +5/10	Department of Defense Department of the Army	Environmental Consulting Services…	WI	$8,883,728	Apr 30, 2027
66	CLARK GROUP, LLC, THE NEPA SUPPORT SERVICES Why 66? ends in 7 mo · options could run to May 2028 · $4.0M · 1 offer last time · GSA Schedule holders Ends in about 7 months (May 23, 2027). +30/30 Unexercised options on record could extend it to May 23, 2028, so the agency may extend instead of recompeting. +0/20 $4.0M obligated so far. +11/20 Last time it was competed in full and open competition, and only 1 offer came in. +20/20 Ordered under a GSA Schedule (FSS) contract (GS10F0150W); you would likely need your own GSA Schedule to compete. +5/10 The incumbent has held it since 2023 (about 4 years).	Department of Justice Office of Justice Programs	Environmental Consulting Services…	VT	$4,046,438	May 23, 2027
64	HAZTRAIN INC F2F ANACOSTIA-BOLLING, LANGLEY-EUSTIS, ANDREWS, AND DOVER BLEAD ENVIRONMENTAL SERVICES Why 64? ends in 8 mo · options could run to Jun 2029 · $8.1M · 1 offer last time · vehicle holders only Ends in about 8 months (Jun 26, 2027). +27/30 Unexercised options on record could extend it to Jun 26, 2029, so the agency may extend instead of recompeting. +0/20 $8.1M obligated so far. +14/20 Last time it was competed in full and open competition, and only 1 offer came in. +20/20 Ordered under a blanket purchase agreement (BPA) (47QFWA24A0003); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2024 (about 2 years).	General Services Administration Federal Acquisition Service	Environmental Consulting Services…	VA	$8,141,844	Jun 26, 2027
59	LYNKER CORPORATION NOS/OCS: PROVIDE CONSULTING AND MANAGEMENT SERVICES. Why 59? ends in 11 mo · options could run to May 2029 · $13M (3 orders) · 1 offer last time · vehicle holders only Ends in about 11 months (Sep 26, 2027); the earliest of its 3 orders ends May 31, 2027. +21/30 Unexercised options on record could extend it to May 31, 2029, so the agency may extend instead of recompeting. +0/20 $13M obligated so far across 3 sibling orders. +15/20 Last time it was competed in full and open competition, and only 1 offer came in. +20/20 Ordered under an IDIQ contract (1305M419DNCNA0018); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2023 (about 3 years). Groups 3 sibling orders: 1305M223FNCNJ0163 ($7,303,209, ends Sep 26, 2027), 1305M223FNCNT0303 ($3,111,431, ends Sep 15, 2027), 1305M224F0211 ($2,372,569, ends May 31, 2027)	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$12,787,209	Sep 26, 2027
56	AIRQUEST ENVIRONMENTAL, INC USCG INLAND BUOY CUTTER/TENDER ASBESTOS AND LEAD ASSESSMENT SERVICES Why 56? ends in 11 mo · options could run to Sep 2028 · $1.4M · 3 offers last time · standalone contract Ends in about 11 months (Sep 24, 2027). +21/30 Unexercised options on record could extend it to Sep 24, 2028, so the agency may extend instead of recompeting. +0/20 $1.4M obligated so far. +8/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2023 (about 3 years).	Department of Homeland Security U.S. Coast Guard	Environmental Consulting Services…	FL	$1,371,367	Sep 24, 2027
56	SUMMITWEST ENVIRONMENTAL, INC. SAN JOAQUIN RIVER RESTORATION PROGRAM (SJRRP) ENVIRONMENTAL COMPLIANCE FIELD SERVICES… Why 56? ends in 10 mo · options could run to Aug 2030 · $866K · 2 offers last time · standalone contract Ends in about 10 months (Aug 24, 2027). +23/30 Unexercised options on record could extend it to Aug 24, 2030, so the agency may extend instead of recompeting. +0/20 $866K obligated so far. +6/20 Last time it was competed under simplified acquisition procedures with 2 offers. +17/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of the Interior Bureau of Reclamation	Environmental Consulting Services…	CA	$866,198	Aug 24, 2027
55	SEQUOIA ECOLOGICAL CONSULTING, INC. BATTLE CREEK SALMON AND STEELHEAD RESTORATION PROJECT-PHASE 2 ENVIRONMENTAL COMPLIANCE… Why 55? ends in 11 mo · options could run to Sep 2030 · $3.2M · 4 offers last time · standalone contract Ends in about 11 months (Oct 1, 2027). +20/30 Unexercised options on record could extend it to Sep 30, 2030, so the agency may extend instead of recompeting. +0/20 $3.2M obligated so far. +11/20 Last time it was competed under simplified acquisition procedures with 4 offers. +14/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2025 (about 1 year).	Department of the Interior Bureau of Reclamation	Environmental Consulting Services…	CA	$3,186,448	Oct 1, 2027
53	OCEAN ASSOCIATES INC NOS OCS ADVANCED COASTAL MODELING DEVELOPMENT SUPPORT Why 53? ends in 12 mo · options could run to Mar 2028 · $8.2M (2 orders) · 2 offers last time · vehicle holders only Ends in about 12 months (Oct 14, 2027); the earliest of its 2 orders ends Sep 17, 2027. +19/30 Unexercised options on record could extend it to Mar 17, 2028, so the agency may extend instead of recompeting. +0/20 $8.2M obligated so far across 2 sibling orders. +14/20 Last time it was competed in full and open competition with 2 offers. +17/20 Ordered under an IDIQ contract (1305M419DNCNA0029); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2023 (about 3 years). Groups 2 sibling orders: 1305M223FNCNJ0455 ($6,143,519, ends Sep 17, 2027), 1305M324F0214 ($2,027,786, ends Oct 14, 2027)	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$8,171,305	Oct 14, 2027
52	PROPEL SOLUTIONS LLC NOS/OCS GEOSPATIAL SERVICES AND TECHNICAL SUPPORT RECOMPETE PACKAGE OR-25-01548 APPROVED… Why 52? ends in 11 mo · options could run to Sep 2031 · $6.2M (2 orders) · 4 offers last time · vehicle holders only Ends in about 11 months (Sep 13, 2027); the earliest of its 2 orders ends Aug 31, 2027. +22/30 Unexercised options on record could extend it to Sep 13, 2031, so the agency may extend instead of recompeting. +0/20 $6.2M obligated so far across 2 sibling orders. +13/20 Last time it was competed among eligible firms (set-aside competition) with 4 offers. +14/20 Ordered under an IDIQ contract (1305M424D0041); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2025 (about 1 year). Groups 2 sibling orders: 1305M225F0331 ($5,308,606, ends Aug 31, 2027), 1305M326F0231 ($910,575, ends Sep 13, 2027)	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$6,219,181	Sep 13, 2027
52	AUXILIO MANAGEMENT SERVICES INDUSTRIAL HYGIENE SUPPORT SERVICES. NIST CAMPUS LOCATED IN GAITHERSBURG, MARYLAND. Why 52? ends in 9 mo · options could run to Jul 2031 · $535K · 3 offers last time · GSA Schedule holders Ends in about 9 months (Jul 31, 2027). +25/30 Unexercised options on record could extend it to Jul 31, 2031, so the agency may extend instead of recompeting. +0/20 $535K obligated so far. +5/20 Last time it was competed in full and open competition with 3 offers. +17/20 Ordered under a GSA Schedule (FSS) contract (GS00F005HA); you would likely need your own GSA Schedule to compete. +5/10	Department of Commerce National Institute of Standards and Technology	Environmental Consulting Services…	MD	$535,319	Jul 31, 2027
48	SALTWATER INC. FISHERIES HQ COMMS: COMMUNICATIONS PROGRAM AND PRODUCT MANAGEMENT SUPPORT Why 48? ends in 11 mo · options could run to Sep 2029 · $1.6M (2 orders) · 3 offers last time · vehicle holders only Ends in about 11 months (Sep 30, 2027); the earliest of its 2 orders ends Sep 12, 2027. +20/30 Unexercised options on record could extend it to Sep 30, 2029, so the agency may extend instead of recompeting. +0/20 $1.6M obligated so far across 2 sibling orders. +8/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Ordered under an IDIQ contract (1305M424D0035); usually only holders of that vehicle can compete for the follow-on order. +3/10 The incumbent has held it since 2024 (about 2 years). Groups 2 sibling orders: 1305M324F0363 ($831,388, ends Sep 30, 2027), 1305M324F0272 ($722,656, ends Sep 12, 2027)	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$1,554,044	Sep 30, 2027
48	PARYMON CORP PROTECH OCEANS TASK ORDER FOR OAR CFO PROFESSIONAL, TECHNICAL, AND MANAGEMENT SERVICES… Why 48? ends in 11 mo · options could run to Sep 2031 · $870K · 3 offers last time · vehicle holders only Ends in about 11 months (Sep 13, 2027). +22/30 Unexercised options on record could extend it to Sep 13, 2031, so the agency may extend instead of recompeting. +0/20 $870K obligated so far. +6/20 Last time it was competed among eligible firms (set-aside competition) with 3 offers. +17/20 Ordered under an IDIQ contract (1305M424D0040); usually only holders of that vehicle can compete for the follow-on order. +3/10	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	MD	$870,112	Sep 13, 2027
47	PAUA MARINE RESEARCH GROUP, LLC ABALONE MONITORING NATIONAL MARINE FISHERIES SERVICE (NMFS), WEST COAST REGION (WCR) Why 47? ends in 17 mo · no option years left · $835K · sole source last time · standalone contract Ends in about 17 months (Mar 28, 2028). +7/30 No unexercised option years on record, so new work likely has to be awarded when it ends. +20/20 $835K obligated so far. +6/20 Last time it was not competed under simplified acquisition procedures, so the agency could sole-source the follow-on again. +4/20 Standalone contract, so the follow-on is not tied to an existing vehicle. +10/10 The incumbent has held it since 2022 (about 4 years).	Department of Commerce National Oceanic and Atmospheric Administration	Environmental Consulting Services…	CA	$834,802	Mar 28, 2028

Largest: DR Reed & Associates, Inc, $13,509,855 with Bureau of Reclamation, ends Apr 30, 2027.

Frequently asked questions

How many NAICS 541620 set-aside contracts are expiring soon?

As of Oct 17, 2026, AwardWatchdog tracks 19 small-business set-aside recompete opportunities in NAICS 541620 (Environmental Consulting Services) whose current period of performance ends between Apr 18, 2027 and Apr 18, 2028, with $86,476,212 obligated so far. 2 score as high priority (80+).

Which agencies have the most NAICS 541620 contracts ending?

By dollars obligated: National Oceanic and Atmospheric Administration ($33,095,699), Department of the Army ($21,723,044), Bureau of Reclamation ($17,562,501). Source: USAspending.gov, as of Oct 17, 2026.

Which NAICS 541620 contract ends first?

DR Reed & Associates, Inc's contract with Bureau of Reclamation (140R2025P0072) ends Apr 30, 2027, with $13,509,855 obligated.

End dates are the current period of performance and can move when options are exercised or the contract is extended. Not affiliated with the U.S. government; confirm on USAspending.gov and SAM.gov.