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Bureau of Indian Affairs environmental consulting contracts

Captivaq tracked 12 environmental consulting notices from BIA since Aug 7, 2026. 5 are open now.

NAICS 541620: Environmental Consulting ServicesPart of the Department of the InteriorUpdated Sep 25, 2026

Environmental consulting notices from BIA

Open notices first, soonest deadline first. Recently closed ones follow. See every agency on the environmental consulting page.

OpportunityPlacePostedDeadlineSource
F--EO 14398, Pine Ridge Environmental Assessment

PACIFIC REGION

Not listedSep 22, 2026Not listedSAM.gov
F--Multi-Site Phase I ESAs for Great Plains Region

PACIFIC REGION

Not listedSep 21, 2026Not listedSAM.gov
B--Programmatic Environmental Assessments (PEA) for G

NORTHWEST REGION

Not listedSep 17, 2026Not listedSAM.gov
F--EO 14398 Aquatic Vegetation and Algae Control Services for Flathead Indian Irrigation Project (FIIP)

NORTHWEST REGION

Not listedAug 24, 2026Not listedSAM.gov
J--SEWER REPLACEMENT/INSTALLATION

NAVAJO REGION

Not listedAug 11, 2026Not listedSAM.gov
F--Pine Ridge Environmental Assessment for Great Plai

PACIFIC REGION

Not listedSep 11, 2026Sep 16, 2026ClosedSAM.gov
Pine Ridge Environmental Assessment for Great Plai

PACIFIC REGION

Not listedSep 3, 2026Sep 11, 2026ClosedSAM.gov
F--Phase I Environmental Site Assessment for GPRO

PACIFIC REGION

Not listedSep 1, 2026Sep 9, 2026ClosedSAM.gov
B--Programmatic Environmental Assessments (PEA) for G

NORTHWEST REGION

Not listedAug 26, 2026Aug 31, 2026ClosedSAM.gov
F--Phase I Environmental Site Assessment for GPRO

PACIFIC REGION

Not listedAug 21, 2026Sep 4, 2026ClosedSAM.gov
Programmatic Environmental Assessments (PEA) for G

NORTHWEST REGION

Not listedAug 17, 2026Aug 31, 2026ClosedSAM.gov
Z--Sewer Line Repair, Chinle Agency HQ

NAVAJO REGION

Not listedAug 11, 2026Aug 11, 2026ClosedSAM.gov

What else BIA buys

Other agencies buying environmental consulting

AgencyNoticesOpen now
Bureau of Land Management

Department of the Interior

3118
U.S. Fish and Wildlife Service

Department of the Interior

2314
Department of Veterans Affairs235
Forest Service

Department of Agriculture

194
Department of the Army

Department of Defense

187
National Park Service

Department of the Interior

104
Bureau of Reclamation

Department of the Interior

98
Department of the Navy

Department of Defense

72
National Oceanic and Atmospheric Administration

Department of Commerce

62
Environmental Protection Agency55

Who wins environmental consulting work at BIA

Contractors ranked by value obligated on BIA awards under NAICS 541620.

ContractorAwardsObligated
Native Strategies, LLC

UEI MEUKRP9H25X1

1$7.5M
Sundance Consultants, LLC

UEI FTDHBDUWJMA5

1$5.9M
Oneida Environmental, LLC

UEI FKSYFWA3HXW4

1$2.6M
Whitetail Environmental, LLC

UEI HW2JSGK9M8K8

1$2.2M
North Wind Resource Consulting LLC

UEI Y69JHKN9EJV1

1$1.5M

From federal award records of $1M or more since October 2023. More in the contractor directory.

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Captivaq is an independent service from Logesta Labs LLC and is not affiliated with or endorsed by the U.S. government or SAM.gov. The notice on the official source portal is the record that governs; confirm deadlines and amendments there.