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Data / Federal awards / NAICS 541330 / Department of the Interior

Department of the Interior contracts under NAICS 541330 Engineering Services: $662.7 million to 435 recipients (FY2024 to FY2027)

Updated October 6, 2026. Source: USAspending.gov.

Department of the Interior obligated $662.7 million under NAICS 541330, Engineering Services, across 2,608 contract awards to 435 named recipients in fiscal years 2024 to 2027. The largest recipients are GENERAL DYNAMICS MISSION SYSTEMS, INC. ($40.6 million), HDR ENGINEERING, INC. ($31.3 million), STANTEC CONSULTING SERVICES INC. ($28.2 million). 105 opportunities under this code are open on SAM.gov now.

The request: Every federal contract awarded by Department of the Interior under NAICS 541330, with the winner, the value and the period of performance. $10 of work on sign-up, no card.

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Agency
Department of the Interior
NAICS code
541330 Engineering Services
Contract awards
2,608
Obligated
$662.7 million
Named recipients
435
Small business share of obligations
40%
Full and open competition share
95%
Set aside share
6%
Latest action
2026-09-28

Open opportunities in this niche

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Incumbents at this agency

Ranked by dollars obligated in fiscal years 2024 to 2027.

RecipientBusiness sizeAwardsObligatedShare
GENERAL DYNAMICS MISSION SYSTEMS, INC.Other Than Small Business15$40.6 million6.1%
HDR ENGINEERING, INC.Other Than Small Business75$31.3 million4.7%
STANTEC CONSULTING SERVICES INC.Other Than Small Business99$28.2 million4.3%
AECOM TECHNICAL SERVICES, INC.Other Than Small Business74$25.9 million3.9%
OTAK, INC.Other Than Small Business62$24.4 million3.7%
FORSGREN ASSOCIATES INCSmall Business16$21.5 million3.2%
M. C. DEAN, INC.Other Than Small Business25$18.4 million2.8%
AMERESCO INCOther Than Small Business1$17.4 million2.6%
DJ&A, P.C.Small Business90$16.3 million2.5%
JACOBS GOVERNMENT SERVICES COMPANYOther Than Small Business35$16.1 million2.4%
SIEMENS GOVERNMENT TECHNOLOGIES INCOther Than Small Business4$12.5 million1.9%
DOWL, LLCOther Than Small Business11$11.9 million1.8%
HENNEBERY EDDY ARCHITECTS, INC.Other Than Small Business32$11.4 million1.7%
STANLEY-DOWL JVOther Than Small Business23$11.1 million1.7%
BLUE ARROW ARCHITECTURE LLCSmall Business8$10.2 million1.5%
GEI CONSULTANTS INCOther Than Small Business9$8.6 million1.3%
CROFT AND ASSOCIATES, INC.Small Business26$8.5 million1.3%
BARR ENGINEERING CO.Other Than Small Business10$8.4 million1.3%
GUIDEHOUSE DIGITAL LLCOther Than Small Business1$8.3 million1.3%
JACOBS GOVERNMENT SERVICES COMPANYOther Than Small Business7$8.1 million1.2%
INTER-FLUVE, INC.Small Business85$7.7 million1.2%
SEVEN GENERATIONS ARCHITECTURE & ENGINEERING LLCSmall Business15$7.7 million1.2%
MSMM HUITT-ZOLLARS A JOINT VENTURE LLCSmall Business3$6.8 million1.0%
BOOZ ALLEN HAMILTON INCOther Than Small Business55$6.7 million1.0%
CENTRAL GEOTECHNICAL SERVICES, LLCSmall Business7$6.6 million1.0%
HDR ENGINEERING INCOther Than Small Business23$6.5 million1.0%
ICF INCORPORATED, L.L.C.Other Than Small Business4$6.4 million1.0%
HDR ENGINEERING, INC.Other Than Small Business6$6.1 million0.9%
KBR WYLE SERVICES, LLCOther Than Small Business2$6.1 million0.9%
GREAT WEST ENGINEERING INCSmall Business30$5.7 million0.9%
ARCHITECTURAL RESOURCES GROUP, INC.Small Business29$5.7 million0.9%
HDR SCHNABEL RECLAMATION JOINT VENTUREOther Than Small Business13$5.7 million0.9%
PAGE SOUTHERLAND PAGE, INC.Other Than Small Business22$5.5 million0.8%
VANASSE HANGEN BRUSTLIN INCOther Than Small Business49$5.1 million0.8%
JOSEPH DAVID ASSOCIATES LLCSmall Business27$5 million0.8%
VERSAR, INC.Other Than Small Business5$5 million0.8%
JACKOLA ENGINEERING & ARCHITECTURE PCSmall Business33$5 million0.8%
DHM DESIGN CORPORATIONSmall Business48$4.8 million0.7%
JACOBS ENGINEERING GROUP INCOther Than Small Business9$4.4 million0.7%
ONES PLEXUS JOINT VENTURE LLCSmall Business1$4.3 million0.6%
VANASSE HANGEN BRUSTLIN, INC.Other Than Small Business13$4.2 million0.6%
HOLLADAY ENGINEERING COMPANYSmall Business23$4.1 million0.6%
ALPHA CONSTRUCTION AND ENGINEERING CORPORATIONOther Than Small Business20$4 million0.6%
BRATSLAVSKY CONSULTING ENGINEERS, INC.Small Business29$4 million0.6%
FISH GUIDANCE SYSTEMS LIMITEDOther Than Small Business2$3.9 million0.6%
TUKUH TECHNOLOGIES, LLCSmall Business1$3.9 million0.6%
LBYD FEDERAL, LLCSmall Business22$3.6 million0.5%
CDM FEDERAL PROGRAMS CORPORATIONOther Than Small Business6$3.5 million0.5%
K2M DESIGN, INCSmall Business8$3.4 million0.5%
SEH - TEPA ES JV LLCSmall Business7$3.3 million0.5%

Offices buying

Sub agencyAwardsObligated
National Park Service1,278$280.4 million
Departmental Offices181$95.6 million
Bureau of Indian Affairs and Bureau of Indian Education178$87.8 million
Bureau of Reclamation232$72.2 million
U.S. Geological Survey88$57.1 million
U.S. Fish and Wildlife Service452$43.7 million
Bureau of Land Management170$23.4 million
Office of Surface Mining, Reclamation and Enforcement22$2.4 million
Bureau of Safety and Environmental Enforcement3$53,368
Office of the Inspector General1$30,476

Obligations by fiscal year

Fiscal yearObligated
FY2024$266 million
FY2025$203.4 million
FY2026$193.3 million

Products and services bought

CodeProduct or serviceAwardsObligated
C211Architect and Engineering- General: Landscaping, Interior Layout, and Designing835$144.9 million
C212Architect and Engineering- General: Engineering Drafting, Not Cad/cam511$138.4 million
C219Architect and Engineering- General: Other380$104.5 million
R425Support- Professional: Engineering/technical52$63.4 million
B540Special Studies/analysis- Building Technology2$27.5 million
C1KAArchitect and Engineering- Construction: Dams55$25.8 million
R499Support- Professional: Other70$21.9 million
R408Support- Professional: Program Management/support19$20.5 million

Largest contract awards

Award IDRecipientAgencyTypeNAICSWhat it buysObligated in windowAward valueStartsEndsPlace of performanceSource
140R6025F0014FORSGREN ASSOCIATES INCDepartment of the InteriorDelivery Order541330THIS TASK ORDER PROVIDES COMPREHENSIVE ARCHITECTURAL-ENGINEERING (A-E) DESIGN SERVICES FOR ARKANSAS VALLEY CONDUIT (AVC) CONTRACT 8, EXTENDI$19,631,358$19,631,358September 15, 2025June 30, 2029Lamar, COusaspending.gov
IND15PD00353AMERESCO INCDepartment of the InteriorDelivery Order541330IGF::OT::IGF UPGRADE AND RETROFIT MAIN INTERIOR BUILDING TO PROVIDE ENERGY SAVINGS AND WORK TOWARD BEING A NET ZERO BUILDING.$17,362,710$61,267,920March 20, 2015March 31, 2039Washington, DCusaspending.gov
140G0124F0246GENERAL DYNAMICS MISSION SYSTEMS, INC.Department of the InteriorDelivery Order541330LANDSAT MULTI-SATELLITE O&M$13,615,974$13,915,835July 10, 2024July 7, 2025Greenbelt, MDusaspending.gov
140P2024F0406HDR ENGINEERING, INC.Department of the InteriorDelivery Order541330GRCA 318719 - CD/SS/COMPLIANCE REHABILIT$12,478,048$12,478,048September 26, 2024December 31, 2026Denver, COusaspending.gov
140G0125F0192GENERAL DYNAMICS MISSION SYSTEMS, INC.Department of the InteriorDelivery Order541330TASK ORDER 15 - LANDSAT FLIGHT OPERATIONS AND MAINTENANCE$12,412,748$12,412,748July 2, 2025July 24, 2026Greenbelt, MDusaspending.gov
140G0126F0237GENERAL DYNAMICS MISSION SYSTEMS, INC.Department of the InteriorDelivery Order541330LANDSAT OPERATIONS TO 17 - OPERATIONS AND SUSTAINMENT$11,771,100$12,139,230July 20, 2026July 19, 2027Greenbelt, MDusaspending.gov
INP14PD02336SIEMENS GOVERNMENT TECHNOLOGIES INCDepartment of the InteriorDelivery Order541330IGF::OT::IGF NATIONAL CAPITAL REGION ENERGY SAVINGS PERFORMANCE CONTRACT$10,172,644$42,410,734September 24, 2014March 31, 2039Washington, DCusaspending.gov
140D0422F0182GUIDEHOUSE DIGITAL LLCDepartment of the InteriorDelivery Order541330GAOA LRF PMO CONTRACTOR SUPPORT$8,325,202$13,726,690February 15, 2022February 14, 2027Reston, VAusaspending.gov
140P2025F0316JACOBS GOVERNMENT SERVICES COMPANYDepartment of the InteriorDelivery Order541330YOSE 196416 - A/E TITLE III SERVICES FOR EL PORTAL WASTEWATER TREATMENT FACILITY, YOSEMITE NATIONAL PARK, CA$7,705,092$7,705,092September 25, 2025December 31, 2029Yosemite National Park, CAusaspending.gov
140A1625F0017BLUE ARROW ARCHITECTURE LLCDepartment of the InteriorDelivery Order541330ANETH SCHOOL STAFF QUARTERS REPLACEMENT$6,766,512$6,766,512February 17, 2025September 18, 2029Houston, TXusaspending.gov
140A1623F0160AECOM TECHNICAL SERVICES, INC.Department of the InteriorDelivery Order5413302024 COMPREHENSIVE REVIEWS - GROUP 1$6,498,819$6,774,679August 17, 2023January 26, 2028Woburn, MAusaspending.gov
140R6024F0008CENTRAL GEOTECHNICAL SERVICES, LLCDepartment of the InteriorDelivery Order541330SUE STANDARDS (ASCE 38-02) ON ALL UTILITIES WITHIN THE DEFINED CORRIDOR (~34 MILES).$5,994,326$5,994,326January 31, 2024April 13, 2026Crowley, COusaspending.gov
140A1625F0112BARR ENGINEERING CO.Department of the InteriorDelivery Order5413302025 COMPREHENSIVE REVIEWS GROUP 2$5,832,302$6,178,233September 11, 2025February 1, 2028Minneapolis, MNusaspending.gov
140P2026F0068MSMM HUITT-ZOLLARS A JOINT VENTURE LLCDepartment of the InteriorDelivery Order541330EVER 290451 - REHAB PARKWIDE WATER/WASTEWATER (FLAMINGO DISTRICT) AT EVERGLADES NATIONAL PARK, FLORIDA ARCHITECTURAL AND ENGINEERING (A-E) S$5,708,776$5,708,776April 24, 2026April 23, 2027New Orleans, LAusaspending.gov
140D0424F1150M. C. DEAN, INC.Department of the InteriorBPA Call541330EPA BPA CALL ORDER 18 RTP INSTALL$4,783,897$4,992,986September 23, 2024May 15, 2026Washington, DCusaspending.gov
140G0124F0174KBR WYLE SERVICES, LLCDepartment of the InteriorDelivery Order541330LANDSAT 7 FLIGHT OPERATIONS$4,620,129$5,244,709May 15, 2024May 15, 2026Lexington Park, MDusaspending.gov
140A1622F0164SEVEN GENERATIONS ARCHITECTURE & ENGINEERING LLCDepartment of the InteriorDelivery Order541330MANY FARMS HIGH SCHOOL DESIGN SERVICES$4,591,536$11,733,692August 31, 2022December 31, 2027Many Farms, AZusaspending.gov
140D0423F0237ICF INCORPORATED, L.L.C.Department of the InteriorDelivery Order541330ONDCP DFC AND CARA SUPPORT$4,522,884$6,028,105February 2, 2023February 1, 2027Fairfax, VAusaspending.gov
140R1024F0037HDR ENGINEERING, INC.Department of the InteriorDelivery Order541330GC DAM RIGHT POWERHOUSE (RPH) AND LEFT POWERHOUSE (LPH) STATION SERVICE EQUIPMENT$4,442,930$4,442,930July 15, 2024December 31, 2027Bellevue, WAusaspending.gov
140D0425C0081ONES PLEXUS JOINT VENTURE LLCDepartment of the InteriorDefinitive Contract541330THIS CONTRACT IS TO PROVIDE PROJECT DELIVERY SERVICES FOR THE DEPARTMENT OF VETERANS AFFAIRS.$4,284,513$4,284,513September 3, 2025September 2, 2027Tulsa, OKusaspending.gov
140A1626F0002DOWL, LLCDepartment of the InteriorDelivery Order541330FORT HALL REHABILITATION, SEE ATTACHED STATEMENTS OF WORK.$4,257,633$4,257,633July 24, 2026January 28, 2028Billings, MTusaspending.gov
140P2025F0269HDR ENGINEERING, INC.Department of the InteriorDelivery Order541330A-E SINGLE AWARD IDIQ FOR EXISTING REQUIREMENTS - HDR FOLLOW-ON REQUIREMENTS$3,936,106$3,936,106September 8, 2025March 7, 2027Grand Canyon, AZusaspending.gov
140L0124F0107TUKUH TECHNOLOGIES, LLCDepartment of the InteriorDelivery Order541330PASER ROAD ASSESSMENTS$3,860,989$3,860,989September 19, 2024September 30, 2026Denver, COusaspending.gov
140R2025F0051CDM FEDERAL PROGRAMS CORPORATIONDepartment of the InteriorDelivery Order541330TRACY FISH COLLECTING FACILITY (TFCF) MODERNIZATION XM PLANNING STUDY$3,822,496$3,822,496September 25, 2025September 24, 2027Denver, COusaspending.gov
140A1626F0070DOWL, LLCDepartment of the InteriorDelivery Order541330CONSTRUCTION MANAGEMENT SERVICES (CMS) FOR THE COLORADO RIVER INDIAN IRRIGATION PROJECT (CRIP) MAIN CANAL CHECKS AND LATERAL 73-36 CHECK #1$3,788,911$3,788,911July 16, 2026April 25, 2028Billings, MTusaspending.gov

Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.