MONTHLY CONTRACTING REPORT
DOI September 2026
Department of the Interior
⏱ GENERATED 9/20/2026
This report was generated once, at the time listed.
▼ NO MICRO CONTRACTS
Contracts or transactions under $5,000 are not included.
🚫 NOT OFFICIAL
Meter uses government data, but isn't an official source.
Vendors
1,029
Contracts
1,522
Avg Contract
$401,893
Total Spending
$611,681,315
Reporting
Top Vendors
The vendors that received the most money from Department of the Interior in September 2026, across all contracts awarded that month.
-
CARSTENSEN CONTRACTING INC
HQ: Dell Rapids, SD
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($72.9M) 1 ($72.9M) All Agencies 1 ($72.9M) 1 ($72.9M)
$72,863,604 -
PATE CONSTRUCTION CO., INC.
HQ: Pueblo, CO
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($37.0M) 2 ($37.3M) All Agencies 1 ($37.0M) 6 ($38.3M)
$36,970,617 -
ERA HELICOPTERS, LLC
HQ: Lake Charles, LA
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($35.7M) 12 ($102.4M) All Agencies 1 ($35.7M) 12 ($102.4M)
$35,732,024 -
CLASSIC SITE SOLUTIONS INC
HQ: Wilbraham, MA
Contracts: 4
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 4 ($26.1M) 20 ($31.6M) All Agencies 4 ($26.1M) 29 ($33.2M)
$26,081,676 -
SNF, INC.
HQ: Weatherford, TX
Contracts: 81
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 81 ($22.0M) 212 ($51.0M) All Agencies 81 ($22.0M) 216 ($51.5M)
$22,036,286 -
CBSE2 JV
HQ: San Diego, CA
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($18.0M) 1 ($18.0M) All Agencies 1 ($18.0M) 1 ($18.0M)
$17,963,311 -
OLGOONIK OILFIELD SERVICES, LLC
HQ: Anchorage, AK
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($15.2M) 4 ($23.3M) All Agencies 1 ($15.2M) 4 ($23.3M)
$15,184,526 -
MFS CONSTRUCTION LLC
HQ: San Juan, PR
Contracts: 2
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 2 ($10.2M) 32 ($16.6M) All Agencies 2 ($10.2M) 43 ($20.3M)
$10,200,813 -
ESSEX MANAGEMENT LLC
HQ: Essex Junction, VT
Contracts: 2
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 2 ($9.8M) 12 ($31.0M) All Agencies 2 ($9.8M) 12 ($31.0M)
$9,838,171 -
MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC
HQ: Washington, District Of Columbia
Contracts: 1
CONTRACTS (TOTAL VALUE)September 2026 All Time Dept. of the Interior 1 ($9.5M) 6 ($13.1M) All Agencies 1 ($9.5M) 8 ($56.9M)
$9,477,936
Top NAICS Codes
The most-awarded NAICS codes from Department of the Interior in September 2026, across all awarded contracts.
Analyses
Buzzwords
Unique ("buzzy") phrases and terms that appear significantly more in Department of the Interior contracts during September 2026 compared to government-wide patterns.
Impact
Top Contracts
The highest-value individual contract awards from Department of the Interior in September 2026.
-
RECIPIENT
CARSTENSEN CONTRACTING INC
AWARD AMOUNT
$72,863,604
Base Award
PERFORMED IN
Farmington, NM
NAICS CODE
Water And Sewer Line And Related Structures Construction • 237110
PSC CODE
Construction Of Water Supply Facilities • Y1NE
DESCRIPTION
Ngwsp block 2-3 pipeline
Funding Office
FOUR CORNERS CONSTRUCTION OFFICE
SIGNED
Sep 4, 2026
CONTRACT PERIOD
9/4/26 → 8/2/28
KNOWN TRANSACTIONS
- ▶ 9/4/26 Base Award $72,863,604
Total Spending To-Date: $72,863,604 -
RECIPIENT
PATE CONSTRUCTION CO., INC.
AWARD AMOUNT
$36,970,617
Base Award
PERFORMED IN
Pueblo, CO
NAICS CODE
Water And Sewer Line And Related Structures Construction • 237110
PSC CODE
Construction Of Water Supply Facilities • Y1NE
DESCRIPTION
Eo 14398 arkansas valley conduit - crowley reach 1
Funding Office
GREAT PLAINS REGIONAL OFFICE
SIGNED
Sep 17, 2026
CONTRACT PERIOD
9/17/26 → 11/17/28
KNOWN TRANSACTIONS
- ▶ 9/17/26 Base Award $36,970,617
Total Spending To-Date: $36,970,617 -
RECIPIENT
ERA HELICOPTERS, LLC
AWARD AMOUNT
$35,732,024
Base Award
PERFORMED IN
New Orleans, LA
NAICS CODE
Nonscheduled Chartered Passenger Air Transportation • 481211
PSC CODE
Transportation/travel/relocation- Travel/lodging/recruitment: Passenger Air Charter • V221
DESCRIPTION
Fy27 helicopter flight services
Funding Office
ACQUISITION MANAGEMENT DIVISION
SIGNED
Sep 15, 2026
CONTRACT PERIOD
9/15/26 → 9/30/27
KNOWN TRANSACTIONS
- ▶ 9/15/26 Base Award $35,732,024
Total Spending To-Date: $35,732,024 -
RECIPIENT
CLASSIC SITE SOLUTIONS INC
AWARD AMOUNT
$23,914,419
Base Award
PERFORMED IN
Bushkill, PA
NAICS CODE
Highway, Street, And Bridge Construction • 237310
PSC CODE
Construction Of Highways, Roads, Streets, Bridges, And Railways • Y1LB
DESCRIPTION
Dewa 310424 325752 324741 - safety and pavement improvements to route 209 & mcdade trail - delaware water gap national recreation area
Funding Office
DSC CONTRACTING SERVICES DIVISION
SIGNED
Sep 17, 2026
CONTRACT PERIOD
9/17/26 → 12/31/27
KNOWN TRANSACTIONS
- ▶ 9/17/26 Base Award $23,914,419
Total Spending To-Date: $23,914,419 -
RECIPIENT
CBSE2 JV
AWARD AMOUNT
$17,963,311
Base Award
PERFORMED IN
Grand Canyon, AZ
NAICS CODE
Water And Sewer Line And Related Structures Construction • 237110
PSC CODE
Construction Of Other Utilities • Y1NZ
DESCRIPTION
Grca 318719 construct temp. wwtp at nort
Funding Office
DSC CONTRACTING SERVICES DIVISION
SIGNED
Sep 3, 2026
CONTRACT PERIOD
9/3/26 → 11/19/27
KNOWN TRANSACTIONS
- ▶ 9/3/26 Base Award $17,963,311
Total Spending To-Date: $17,963,311 -
RECIPIENT
OLGOONIK OILFIELD SERVICES, LLC
AWARD AMOUNT
$15,184,526
Base Award
PERFORMED IN
Barrow, AK
NAICS CODE
Support Activities For Oil And Gas Operations • 213112
PSC CODE
Repair Or Alteration Of Restoration Of Real Property (public Or Private) • Z2QA
DESCRIPTION
Alaska legacy and abandoned well remediation idiq - p&a and remediation at topagoruk #1 and p&a at east topagoruk #1
Funding Office
ALASKA STATE OFFICE
SIGNED
Sep 3, 2026
CONTRACT PERIOD
9/3/26 → 2/2/28
KNOWN TRANSACTIONS
- ▶ 9/3/26 Base Award $15,184,526
Total Spending To-Date: $15,184,526 -
RECIPIENT
MFS CONSTRUCTION LLC
AWARD AMOUNT
$9,973,430
Base Award
PERFORMED IN
South Plainfield, NJ
NAICS CODE
Highway, Street, And Bridge Construction • 237310
PSC CODE
Construction Of Highways, Roads, Streets, Bridges, And Railways • Y1LB
DESCRIPTION
Gate 213019 jacob riis parking lot
Funding Office
DSC CONTRACTING SERVICES DIVISION
SIGNED
Sep 18, 2026
CONTRACT PERIOD
9/18/26 → 4/19/27
KNOWN TRANSACTIONS
- ▶ 9/18/26 Base Award $9,973,430
Total Spending To-Date: $9,973,430 -
RECIPIENT
MCKENZIE CONSTRUCTION & SITE DEVELOPMENT LLC
AWARD AMOUNT
$9,477,936
Base Award
PERFORMED IN
Chincoteague Island, VA
NAICS CODE
Commercial And Institutional Building Construction • 236220
PSC CODE
Construction Of Office Buildings • Y1AA
DESCRIPTION
Roundabouts, road, and bike trail construction at chincoteague nwr, va
Funding Office
FWS NORTHEAST REGIONAL OFFICE
SIGNED
Sep 10, 2026
CONTRACT PERIOD
9/9/26 → 3/30/27
KNOWN TRANSACTIONS
- ▶ 9/10/26 Base Award $9,477,936
Total Spending To-Date: $9,477,936 -
RECIPIENT
ESSEX MANAGEMENT LLC
AWARD AMOUNT
$7,375,954
Supplemental Agreement for Work Within Scope
PERFORMED IN
Bethesda, MD
NAICS CODE
Other Scientific And Technical Consulting Services • 541690
PSC CODE
It And Telecom - Business Application/application Development Support Services (labor) • DA01
DESCRIPTION
Clinical reporting and research informatics (crri)
Funding Office
NIH NCI
SIGNED
Sep 18, 2026
CONTRACT PERIOD
9/1/26 → 8/31/27
KNOWN TRANSACTIONS
- ▶ 9/18/26 Supplemental Agreement for Work Within Scope +$7,375,954
Total Spending To-Date: $13,724,596 -
RECIPIENT
KENN BOREK AIR LTD
AWARD AMOUNT
$7,224,837
Base Award
NAICS CODE
Other Nonscheduled Air Transportation • 481219
PSC CODE
Transportation/travel/relocation- Travel/lodging/recruitment: Air Passenger • V211
DESCRIPTION
National science foundation (nsf) exclusive use fixed wing flight services in support of the office of polar programs (opp) - task order in support of option period three flight services
Funding Office
OFFICE OF POLAR PROGRAMS
SIGNED
Sep 3, 2026
CONTRACT PERIOD
9/15/26 → 9/14/27
KNOWN TRANSACTIONS
- ▶ 9/3/26 Base Award $7,224,837
Total Spending To-Date: $7,224,837
Top De-obligations
The largest contract de-obligations (spending reductions or cancellations) from Department of the Interior in September 2026.
-
RECIPIENT
CHICKASAW BUSINESS SOLUTIONS, LLC
DE-OBLIGATION AMOUNT
-$229,186
Supplemental Agreement for Work Within Scope
PERFORMED IN
Lenexa, KS
NAICS CODE
Administrative Management And General Management Consulting Services • 541611
PSC CODE
Support- Professional: Other • R499
DESCRIPTION
This is a requirement for professional documentation search assistance to support the federal government's historical accounting obligations under the reform act and ongoing tribal accounting and tribal litigation efforts.
Funding Office
BUREAU OF TRUST FUNDS ADMINISTRATION
SIGNED
Sep 15, 2026
CONTRACT PERIOD
2/11/24 → 8/10/26
KNOWN TRANSACTIONS
- ▶ 9/15/26 Supplemental Agreement for Work Within Scope -$229,186
Total Spending To-Date: $5,959,007 -
RECIPIENT
OTAK, INC.
DE-OBLIGATION AMOUNT
-$185,559
Other Administrative Action
PERFORMED IN
Portland, OR
NAICS CODE
All Other Professional, Scientific, And Technical Services • 541990
PSC CODE
Special Studies/analysis- Recreation • B527
DESCRIPTION
Nr-eqd-334 - animal preservation studies
Funding Office
WASHINGTON CONTRACTING OFFICE
Object Classes
25.2: Other services from non-Federal sources
Program Activities
0001: DAMAGE ASSESSMENTS;0001: PARK MANAGEMENT;0003: OTHER RESTORATION
SIGNED
Sep 11, 2026
CONTRACT PERIOD
6/28/21 → 6/28/25
KNOWN TRANSACTIONS
- ▶ 9/11/26 Other Administrative Action -$185,559
Total Spending To-Date: $82,486 -
RECIPIENT
BLUE ROSE CONSULTING GROUP INC
DE-OBLIGATION AMOUNT
-$120,437
Funding Only Action
PERFORMED IN
Washington, District Of Columbia
NAICS CODE
Office Administrative Services • 561110
PSC CODE
Support- Professional: Other • R499
DESCRIPTION
Administrative technical support services: (customer support) task order 15/labor-hour
Funding Office
OFC OF ACQUSITION GRANTS-NATIONAL
Object Classes
25.2: Other services from non-Federal sources
Program Activities
0007: SCIENCE SUPPORT
SIGNED
Sep 4, 2026
CONTRACT PERIOD
4/8/24 → 4/7/25
KNOWN TRANSACTIONS
- ▶ 9/4/26 Funding Only Action -$120,437
Total Spending To-Date: $10,582 -
RECIPIENT
COLORADO NETWORK STAFFING, INC.
DE-OBLIGATION AMOUNT
-$86,503
Close Out
PERFORMED IN
Denver, CO
NAICS CODE
Engineering Services • 541330
PSC CODE
Support- Professional: Other • R499
DESCRIPTION
Tsc-construction inspector marys lake
Funding Office
UPPER COLORADO REGIONAL OFFICE
Object Classes
25.2: Other services from non-Federal sources
Program Activities
0801: WATER AND RELATED RESOURCES (REIMBURSABLE)
SIGNED
Sep 17, 2026
CONTRACT PERIOD
9/21/22 → 3/31/24
KNOWN TRANSACTIONS
- ▶ 9/17/26 Close Out -$86,503
Total Spending To-Date: $273,701 -
RECIPIENT
LGA ARCHITECTURE
DE-OBLIGATION AMOUNT
-$58,714
Close Out
PERFORMED IN
Boulder City, NV
NAICS CODE
Engineering Services • 541330
PSC CODE
Architect And Engineering- General: Landscaping, Interior Layout, And Designing • C211
DESCRIPTION
Hoover dam parking lot 12 erosion control mitigation
Funding Office
LOWER COLORADO REGIONAL OFFICE
Object Classes
25.2: Other services from non-Federal sources
Program Activities
0007: CARES ACT SUPPLEMENTAL (P.L. 116-136)
SIGNED
Sep 1, 2026
CONTRACT PERIOD
9/8/21 → 1/5/24
KNOWN TRANSACTIONS
- ▶ 9/1/26 Close Out -$58,714
Total Spending To-Date: $251,397
Sub Agencies
Sub-agencies within Department of the Interior that received contract funding in September 2026.
-
$156,448,508 -
$150,662,066 -
$131,971,278 -
$73,591,720 -
$33,923,308 -
$28,040,682 -
$20,736,151 -
$8,131,027 -
$6,420,069 -
$1,756,507
Performance Locations
The top locations where contract work for Department of the Interior in September 2026 is performed.
Top States
-
New Mexico
93 contracts
$89,756,790 -
Colorado
146 contracts
$62,587,098 -
California
138 contracts
$45,337,977 -
Louisiana
9 contracts
$42,818,133 -
Arizona
90 contracts
$38,325,699 -
Virginia
70 contracts
$37,100,053 -
Texas
108 contracts
$30,684,409 -
Alaska
52 contracts
$26,405,559 -
Pennsylvania
9 contracts
$24,338,858 -
Florida
50 contracts
$21,490,182
Top Cities
-
Farmington, NM
2 contracts
$72,942,630 -
New Orleans, LA
6 contracts
$42,050,018 -
Pueblo, CO
1 contracts
$36,970,617 -
Bushkill, PA
1 contracts
$23,914,419 -
Washington, District Of Columbia
44 contracts
$21,172,289 -
Weatherford, TX
80 contracts
$20,810,578 -
Grand Canyon, AZ
3 contracts
$17,978,046 -
Not Listed
9 contracts
$15,723,643 -
Barrow, AK
1 contracts
$15,184,526 -
Bethesda, MD
10 contracts
$14,933,646
Vendor headquarters
The top locations where vendors receiving awards from Department of the Interior in September 2026 list as their primary business address.
Top States
-
South Dakota
28 contracts
$74,251,541 -
Colorado
96 contracts
$56,473,139 -
Virginia
124 contracts
$53,772,780 -
California
136 contracts
$50,892,968 -
Louisiana
13 contracts
$43,657,816
Top Cities
-
Dell Rapids, SD
1 contracts
$72,863,604 -
Anchorage, AK
19 contracts
$39,597,808 -
Pueblo, CO
2 contracts
$36,985,195 -
Lake Charles, LA
3 contracts
$35,812,783 -
Wilbraham, MA
4 contracts
$26,081,676