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
Palmdale Water District: Pure Water Antelope Valley Advanced Water Purification Facility
BVF Antelope Valley A Joint Venture

The Pure Water Antelope Valley (Pure Water AV) project is an Indirect Potable Reuse (IPR) initiative led by the Palmdale Water District (PWD) in partnership with the Los Angeles County Sanitation Districts (LACSD).

6/19/2026 10/1/2026 California 237110: Water and Sewer Line and Related Structures Construction
Canyon Lake Water Treatment Plant
Shimmick Construction Company, Inc.

Canyon Lake Water Treatment Plant.
Owner: Elsinore Valley Municipal Water District.
Bid/Contract #: Work Order C2001.
Location: Lake Elsinore, Riverside, CA.
Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=67477.

 6/24/2026 California 237110: Water and Sewer Line and Related Structures Construction
20151 SX0 Whitemarsh
Spiniello Companies

Looking for MWBEs for Baltimore County-DPW, 20251 SX0 Whitemarsh East Sewershed Sewer Rehabilitation. Please send quote to estimating@spinielloco.com for additional NAICS codes (but not limited to) 237310, 561990, 562998, 238910.

 6/4/2026 9/4/2026 Maryland 237110: Water and Sewer Line and Related Structures Construction
THE VILLAGE OF PEORIA HEIGHTS, IL – WATER TREATMENT PLANT FILTER ADDITION PROJECT
River City Construction, LLC

THE VILLAGE OF PEORIA HEIGHTS, IL – WATER TREATMENT PLANT FILTER ADDITION PROJECT - BID OPENING BID DATE OF 5/26/2026 @ 1:00 PM

 5/26/2026 Illinois 237110: Water and Sewer Line and Related Structures Construction
Agencywide Condition Assessment Via Master Services Contract
Inland Empire Utilities Agency

The Inland Empire Utilities Agency invites submittal of electronic proposals for provision of on-call Condition Assessment services to be provided on an “as-needed” basis. The goal of this process is to award multiple master contract to contractors willing to provide the requested services.

5/28/2026 8/1/2026 California 541350: Building Inspection Services
Canyon Lake WTP in Lake Elsinore, CA
Kiewit Infrastructure West Co.

Owner: Elsinore Valley Municipal Water District
Project Name: Canyon Lake Water Treatment Plant Design-Build; Work Order No. C2001
Location: Lake Elsinore, CA
Bid Date: June 24, 2026, at 2:00pm PDT
Project Quotes due 5/18/2026

Request for DBE sub-quotes.

 6/24/2026 9/15/2026 California 237310: Highway, Street, and Bridge Construction
Coachella Valley Water District: Valley View Water Consolidation Project (Spec No. 2025-14)
WEKA Inc.

The project consists of installing approximately 800 linear feet of 32-inch diameter fusible high density polyethylene (HDPE), 2,070 linear feet of 30-inch, 5,410 linear feet of 24-inch, 3,330 linear feet of 12-inch, 2,180 linear feet of 8-inch diameter water main pipe with restrained joints, inc

6/4/2026 8/3/2026 California 237110: Water and Sewer Line and Related Structures Construction
Canyon Lake Plant WO C2001
Shimmick Construction Company, Inc.

Canyon Lake Water Treatment Plant (CLWTP) Improvements Fixed Price Design-Build Project Delivery (WO C2001).

 6/24/2026 11/2/2026 California 237110: Water and Sewer Line and Related Structures Construction
Canyon Lake Plant WO C2001
Elsinore Valley Municipal Water District

Canyon Lake Water Treatment Plant (CLWTP) Improvements Fixed Price Design-Build Project Delivery (WO C2001).

Please see https://vendors.planetbids.com/portal/32069/bo/bo-detail/139626 for more information.

6/24/2026 11/2/2026 California 237110: Water and Sewer Line and Related Structures Construction
Windsor SECONDARY TREATMENT SYSTEM UPGRADES PROJECT
C. Overaa & Co.

Scope of work includes: The work consists of dewatering the Water Reclamation Facility’s

 9/3/2026 California 236220: Commercial and Institutional Building Construction

RFQ5445 Termite Service for Buildings 15, 20 & 21

San Diego Job Corps Center

THIS IS A SUBCONTRACTING OPPORTUNITY with Management & Training Corporation
(MTC), for the San Diego Job Corps Center. The center is located at 1325 Iris Ave, Imperial
Beach, CA 91932. The Center is requesting bids for Pest Control services as referenced in the

Closing Date
6/5/2026
Performance Start Date
6/11/2026
Place of Performance
California
NAICS code
  • 561710: Exterminating and Pest Control Services
Point of Contact
Tom Williams
801-693-2629

Roadway Construction at BOB RUUD MEM HWY & BELL VISTA AVE, NV FLAP NYE 10(1)

Amrize Southwest Inc.

Amrize Southwest Inc. is inviting bids for all trades. Eligible scopes of work include, but are not limited to: permanent signing, pavement markings, and miscellaneous tasks related to road reconstruction and rehabilitation.

Closing Date
6/10/2026
Performance Start Date
7/22/2026
Place of Performance
Nevada
NAICS code
  • 237310: Highway, Street, and Bridge Construction
Point of Contact
Richard Cross
702-953-2135

606 UAW HVAC Replacement

Earle C. Clements Job Corps Center

Replacement of the HVAC units located at building 606 (UAW). The AC units have R-22 Freon Refrigerant and the current HVAC units can no longer be repaired due to parts being unavailable. This project will replace the currently installed HVAC units.

Closing Date
6/11/2026
Place of Performance
Kentucky
NAICS code
  • 238220: Plumbing, Heating, and Air-Conditioning Contractors
Point of Contact
Miranda Wolfe
270-389-5579

1535 Student Union HVAC Replacement

Earle C. Clements Job Corps Center

This project consists of the replacement of two (2) rooftop packaged HVAC units located at the 1535 Student Union Building.

Closing Date
6/11/2026
Place of Performance
Kentucky
NAICS code
  • 238220: Plumbing, Heating, and Air-Conditioning Contractors
Point of Contact
Miranda Wolfe
270-389-5579

505 Independent Living Dorm HVAC Replacement

Earle C. Clements Job Corps Center

Replacement of the HVAC units located at 505 Independent Living Dorm. The AC units have R-22 Freon Refrigerant and the current HVAC units can no longer be repaired due to parts being unavailable and are over 20 years old. This project will replace the currently installed HVAC units.

Closing Date
6/11/2026
Place of Performance
Kentucky
NAICS code
  • 238220: Plumbing, Heating, and Air-Conditioning Contractors
Point of Contact
Miranda Wolfe
270-389-5579

504 Pre-Military Dorm HVAC Replacement

Earle C. Clements Job Corps Center

Replacement of the HVAC units located at 504 Pre-Mil Dorm. The AC units have R-22 Freon Refrigerant and the current HVAC units can no longer be repaired due to parts being unavailable and are over 20 years old. This project will replace the currently installed HVAC units.

Closing Date
6/11/2026
Place of Performance
Kentucky
NAICS code
  • 238220: Plumbing, Heating, and Air-Conditioning Contractors
Point of Contact
Miranda Wolfe
270-389-5579

CBP5431 Freezer #4 Repairs

San Diego Job Corps Center

THIS IS A SUBCONTRACTING OPPORTUNITY with Management & Training Corporation (MTC). MTC is seeking bids for refrigerant services for the San Diego Job Corps Center located at 1325 Iris Ave, Imperial Beach, CA 91932. Services to be provided are outlined in the attached Scope of Work.

Closing Date
6/9/2026
Performance Start Date
6/15/2026
Place of Performance
California
NAICS code
  • 238220: Plumbing, Heating, and Air-Conditioning Contractors
Point of Contact
Tom Williams
801-693-2629

SAN PEDRO WATERFRONT - HARBOR BOULEVARD ROADWAY AND 22ND STREET PARKING LOT IMPROVEMENTS

Shimmick Construction Company, Inc.

SAN PEDRO WATERFRONT - HARBOR BOULEVARD ROADWAY AND 22ND STREET PARKING LOT IMPROVEMENTS. Owner: The Port of Los Angeles. Bid/Contract #: Specification No. 2822. Location: San Pedro, Los Angeles , CA. Learn more at dbegoodfaith.com/item.php?item_type=ads&ad_adid=67698.

Closing Date
6/11/2026
Place of Performance
California
NAICS code
  • 237310: Highway, Street, and Bridge Construction
Point of Contact
Ainsley Brundahl
949-333-1500

CIMH8245A26

Spiniello Companies

Looking for SLBE/MWBEs for WSSC, MD: CIMH8245A26-102" Anacostia Trunk Sewer Rehabilitation Phase 2 - Progressive Design-Build.

Closing Date
6/16/2026
Performance Start Date
9/16/2026
Place of Performance
Maryland
NAICS code
  • 237110: Water and Sewer Line and Related Structures Construction
Point of Contact
Katherine Snider
410-235-0094

State of CA – DGS – Steam Distribution System Renovation, Project No. 133388

Ranger Pipelines Incorporated

The Project comprises labor, material and services necessary for renovation of the existing Steam Distribution System, including replacement of steam piping, trenching, vaults, expansion joints, steam traps; installation of chill water pump, sump pump, boilers, air separators, hot water pumps, ex

Closing Date
6/10/2026
Performance Start Date
7/1/2026
Place of Performance
California
NAICS code
  • 238990: All Other Specialty Trade Contractors
Point of Contact
Estimating Department
415-822-3700