SUBNet subcontracting opportunities

SBA's SUBNet (subcontracting network) helps large federal prime contractors find small subcontractors.

Notice: The ability to post new subcontracting opportunities is not currently available.

Small businesses can browse the listing below to find subcontracting opportunities. You can filter the listing by state or keyword, or sort the listing by clicking a column header. Please direct questions to the posted point of contact for the opportunity, not SBA. Any posts meant only to promote your small business will be removed.

Need help? Contact subcontracting@sba.gov.

Subcontracting Opportunity
Description Closing date Performance start date Place of performance NAICS code Point of contact
WSSC IDIQ Task 134 Viers Mills Road S. Corridor Sewer Rehab
Insituform Technologies

WSSC IDIQ Task 134 Viers Mills Road S. Corridor Sewer Rehab.
Owner: WASHINGTON SUBURBAN SANITARY COMMISSION.
Bid/Contract #: PROJECT NO. CICRCKLRMH7884A25 / TASK NO. 134.
Location: Rock Creek Basin, Montgomery, MD.

3/5/2026 Maryland 237110: Water and Sewer Line and Related Structures Construction
WSSC IDIQ Task 132 W. Diamond Ave Sewer Rehab
Insituform Technologies

WSSC IDIQ Task 132 W. Diamond Ave Sewer Rehab.
Owner: WASHINGTON SUBURBAN SANITARY COMMISSION.
Bid/Contract #: TASK ORDER NO. 132 JOB # CRCICKLRMH7826A24.
Location: Muddy Branch Basin, Montgomery , MD.

3/4/2026 Maryland 237110: Water and Sewer Line and Related Structures Construction
Old Castle Road Phase 2 Project
James W. Fowler Co.

Abandonment of approximately 5,025 linear feet of existing 12-inch CMLC and installation of new 12-inch PVC. 5,840 linear feet of existing 12-inch CMLC to be removed and replaced with 12-inch PVC potable waterline.

3/25/2026 6/25/2026 California 237310: Highway, Street, and Bridge Construction
OLD CASTLE ROAD PHASE 2 PROJECT
Palm Engineering Construction Company

OLD CASTLE ROAD PHASE 2 PROJECT.
Owner: Valley Center Municipal Water District.
Bid/Contract #: PROJECT NO. 01-06-78-51420.
Location: Escondido, San Diego, CA.
Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=66945.

3/25/2026 California 237110: Water and Sewer Line and Related Structures Construction
Project Control Services Via Master Services Contract
Inland Empire Utilities Agency

The Inland Empire Utilities Agency (hereafter “IEUA” or Agency”) invites submittal of electronic proposals for provision of on-call Project Controls services to be provided on an “as-needed” basis under the terms to be established by a three-year (approximately from June 2026 – June 2029), fixed-

4/7/2026 6/1/2026 California 541330: Engineering Services
Reconstruct Runway 8L–26R, Taxiway N and Connector Taxiways East of Taxiway U Project, CA
Coffman Specialties, Inc.

Invitation for bid for the full depth reconstruction of Runway 8L-26R keel East of Taxiway U, 1,100 feet of the south outboard pavement and the full runway width at the intersection of Taxiway U, Taxiway V, and Taxiway W, full depth reconstruction of Taxiway N East of Taxiway U, rehabilitation of

3/20/2026 5/1/2026 California 237310: Highway, Street, and Bridge Construction
Franklin Elementary School Modernization
Industrial Electric Construction & Maintenance Co

Franklin Elementary School Modernization. Owner: Bakersfield City School District. Bid/Contract #: 22212.00-25-HVAC / DSA # 03-122910. Location: Bakersfield, Kern , CA. Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=66944.

3/5/2026 California 236220: Commercial and Institutional Building Construction
Pipeline Work
T C Construction Company, Inc.

Abandonment of approx. 5025 linear feet of existing 12” CMLC, install new 12” PVC. Remove approx. 5840 linear feet of existing 12” CMLC, replace with 12” PVC potable waterline. Install air vac assemblies, blowoff assemblies, water service, temp water line installed during construction.

3/24/2026 California 237310: Highway, Street, and Bridge Construction
CITY OF MACOMB WATER TREATMENT PLANT IMPROVEMENTS
River City Construction, LLC

CITY OF MACOMB WATER TREATMENT PLANT IMPROVEMENTS BID OPENING BID DATE OF 3/30/2026 @ 12:00 PM

3/30/2026 Illinois 237110: Water and Sewer Line and Related Structures Construction
Roof Replacement
Earle C. Clements Job Corps Center

Replacement of roofs, fascia, soffits, gutters and downspouts on 1517 TABE building at Earle C. Clements Job Corps Academy. Detailed scope of work in attached Construction Bid Package (CBP).

3/13/2026 Kentucky 238160: Roofing Contractors

WSSC IDIQ Task 134 Viers Mills Road S. Corridor Sewer Rehab

Business Name Insituform Technologies

WSSC IDIQ Task 134 Viers Mills Road S. Corridor Sewer Rehab.
Owner: WASHINGTON SUBURBAN SANITARY COMMISSION.
Bid/Contract #: PROJECT NO. CICRCKLRMH7884A25 / TASK NO. 134.
Location: Rock Creek Basin, Montgomery, MD.

Closing Date
3/5/2026
Place of Performance
Maryland
NAICS code
  • 237110: Water and Sewer Line and Related Structures Construction
Point of Contact
Lynda Whetzel

WSSC IDIQ Task 132 W. Diamond Ave Sewer Rehab

Business Name Insituform Technologies

WSSC IDIQ Task 132 W. Diamond Ave Sewer Rehab.
Owner: WASHINGTON SUBURBAN SANITARY COMMISSION.
Bid/Contract #: TASK ORDER NO. 132 JOB # CRCICKLRMH7826A24.
Location: Muddy Branch Basin, Montgomery , MD.

Closing Date
3/4/2026
Place of Performance
Maryland
NAICS code
  • 237110: Water and Sewer Line and Related Structures Construction
Point of Contact
Lynda Whetzel

Old Castle Road Phase 2 Project

Business Name James W. Fowler Co.

Abandonment of approximately 5,025 linear feet of existing 12-inch CMLC and installation of new 12-inch PVC. 5,840 linear feet of existing 12-inch CMLC to be removed and replaced with 12-inch PVC potable waterline.

Closing Date
3/25/2026
Performance Start Date
6/25/2026
Place of Performance
California
NAICS code
  • 237310: Highway, Street, and Bridge Construction
Point of Contact
Estimating Department

OLD CASTLE ROAD PHASE 2 PROJECT

Business Name Palm Engineering Construction Company

OLD CASTLE ROAD PHASE 2 PROJECT.
Owner: Valley Center Municipal Water District.
Bid/Contract #: PROJECT NO. 01-06-78-51420.
Location: Escondido, San Diego, CA.
Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=66945.

Closing Date
3/25/2026
Place of Performance
California
NAICS code
  • 237110: Water and Sewer Line and Related Structures Construction
Point of Contact
Mo Abdelwahed

Project Control Services Via Master Services Contract

Business Name Inland Empire Utilities Agency

The Inland Empire Utilities Agency (hereafter “IEUA” or Agency”) invites submittal of electronic proposals for provision of on-call Project Controls services to be provided on an “as-needed” basis under the terms to be established by a three-year (approximately from June 2026 – June 2029), fixed-

Closing Date
4/7/2026
Performance Start Date
6/1/2026
Place of Performance
California
NAICS code
  • 541330: Engineering Services
Point of Contact
Jordan Villalobos

Reconstruct Runway 8L–26R, Taxiway N and Connector Taxiways East of Taxiway U Project, CA

Business Name Coffman Specialties, Inc.

Invitation for bid for the full depth reconstruction of Runway 8L-26R keel East of Taxiway U, 1,100 feet of the south outboard pavement and the full runway width at the intersection of Taxiway U, Taxiway V, and Taxiway W, full depth reconstruction of Taxiway N East of Taxiway U, rehabilitation of

Closing Date
3/20/2026
Performance Start Date
5/1/2026
Place of Performance
California
NAICS code
  • 237310: Highway, Street, and Bridge Construction
Point of Contact
Marty Keane

Franklin Elementary School Modernization

Business Name Industrial Electric Construction & Maintenance Co

Franklin Elementary School Modernization. Owner: Bakersfield City School District. Bid/Contract #: 22212.00-25-HVAC / DSA # 03-122910. Location: Bakersfield, Kern , CA. Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=66944.

Closing Date
3/5/2026
Place of Performance
California
NAICS code
  • 236220: Commercial and Institutional Building Construction
Point of Contact
Zach Blackmon

Pipeline Work

Business Name T C Construction Company, Inc.

Abandonment of approx. 5025 linear feet of existing 12” CMLC, install new 12” PVC. Remove approx. 5840 linear feet of existing 12” CMLC, replace with 12” PVC potable waterline. Install air vac assemblies, blowoff assemblies, water service, temp water line installed during construction.

Closing Date
3/24/2026
Place of Performance
California
NAICS code
  • 237310: Highway, Street, and Bridge Construction
Point of Contact
Chad Cameron

CITY OF MACOMB WATER TREATMENT PLANT IMPROVEMENTS

Business Name River City Construction, LLC

CITY OF MACOMB WATER TREATMENT PLANT IMPROVEMENTS BID OPENING BID DATE OF 3/30/2026 @ 12:00 PM

Closing Date
3/30/2026
Place of Performance
Illinois
NAICS code
  • 237110: Water and Sewer Line and Related Structures Construction
Point of Contact
JT Mosbach

Roof Replacement

Business Name Earle C. Clements Job Corps Center

Replacement of roofs, fascia, soffits, gutters and downspouts on 1517 TABE building at Earle C. Clements Job Corps Academy. Detailed scope of work in attached Construction Bid Package (CBP).

Closing Date
3/13/2026
Place of Performance
Kentucky
NAICS code
  • 238160: Roofing Contractors
Point of Contact
Jessica Norman