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Whitson, Inc., 3167 Highway 96, P.O. Box 240, Willow Creek, CA 95573; phone: 530-629-2324

UEI: SLED_96833BC0C164566D

Whitson, Inc., 3167 Highway 96, P.O. Box 240, Willow Creek, CA 95573; phone: 530-629-2324 is a federal contractor, registered under UEI SLED_96833BC0C164566D. It has been awarded $49,290 in federal contracts. Primary work spans Water and Sewer Line and Related Structures Construction. Top awarding agencies include Department Of Agriculture.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_96833BC0C164566D

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

Whitson, Inc. provides services within the heavy and civil engineering construction sector. The company has experience supporting the Department of Agriculture. Their industry focus is centered on NAICS 237110, specializing in water and sewer line construction and related civil infrastructure proj...

Key Performance Metrics

Awards Count

1

All time

Active

0

Currently performing

Completed

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Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department Of Agriculture$49.3K100%

Awards by NAICS

237110 - Water and Sewer Line and Related Structures Construction$49.3K100%

Awards by Agency Over Time

Awards by Place of Performance

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Award history, agency mix, and NAICS coverage for Whitson, Inc., 3167 Highway 96, P.O. Box 240, Willow Creek, CA 95573; phone: 530-629-2324

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Open opportunities in Whitson, Inc., 3167 Highway 96, P.O. Box 240, Willow Creek, CA 95573; phone: 530-629-2324's top NAICS codes and agencies

Biola CSD - Wastewater Treatment Plant Improvements (C-06-8155-210), Kerman, CA

Solicitation # biola-csd-wastewater-treatment-plant-improvements-c-06-8155-210-kerman-ca

GSE Construction Co., Inc. is seeking quotes from qualified subcontractors and suppliers for the Biola Community Services District Wastewater Treatment Plant Improvements Redesign Project in Kerman, California. This comprehensive infrastructure project involves the demolition of existing facilities and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. Additionally, the scope covers the installation of a sludge dewatering pipeline and pump system, the construction of two soil cement lined sludge dewatering ponds, a reinforced concrete pad for an emergency generator, and a new CMU operations and electrical building equipped with HVAC and plumbing. The project also requires the implementation of a facility-wide PLC/SCADA monitoring system and various civil improvements such as asphalt resurfacing, grading, and piping. This solicitation is open to small businesses and certified DBE, MBE, and WBE firms across a wide range of NAICS codes related to heavy and civil engineering construction, including specialty trades for electrical, plumbing, and paving. Interested parties must submit their responses by October 21, 2026, directing all inquiries to the primary point of contact, Christina Pauls.

GSE Construction Co., Inc.

POSTED

about 6 hours ago

DEADLINE

IEUA RMPU Basin Improvements Project Montclair Basin Improvements

Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements

The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and incidentals necessary to furnish, install, commission, and deliver a fully functional project for the Inland Empire Utilities Agency Recharge Master Plan Update. Norstar Plumbing and Engineering, Inc. is seeking certified DBE, MBE, SBE, and WBE subcontractors and suppliers to support various project needs. Required specialties include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as infrastructure tasks involving concrete structures, concrete pipe, pipes, fittings, and welding. Additional specialized services required include traffic control, SWPPP, construction survey, electrical work, and preconstruction video. The bid deadline for this solicitation is October 29, 2026, at 2:00 PM.

Norstar Plumbing and Engineering, Inc

POSTED

about 6 hours ago

DEADLINE

Morgans Branch Force Main and Pump Station Improvements

Solicitation # SRP-W-134-0290

The Morgans Branch Force Main and Pump Station Improvements project, solicitation number SRP-W-134-0290, is a construction contract for the City of Belmont in North Carolina with a project estimate of 16,690,000 dollars. The scope of work involves the construction of 16,435 linear feet of 20-inch ductile iron force main and comprehensive upgrades to the Morgans Branch Pumping Station. Key infrastructure improvements include the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The contractor is responsible for delivering a fully operational station, including the installation of pumps, a generator, odor control equipment, and new gravity sewers and manholes. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on responsiveness regarding MWBE documentation and the submission of Good Faith Efforts forms. Bids are due by November 12, 2026. The project requires the successful bidder to provide performance and payment bonds, as well as proof of insurance. Performance is monitored by Willis Engineers on behalf of the City of Belmont, and the contract stipulates liquidated damages of 1,000 dollars per day for failure to achieve substantial completion. Payments are processed via applications for payment and become due 30 days after presentation to the owner.

Don Moorhead Construction, Inc.

POSTED

about 6 hours ago

DEADLINE

WC 1456 Lead Pipe Inspection

Solicitation # wc-1456-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1456, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties should submit their quotes to estimating@spinielloco.com by the response deadline of November 4, 2026. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. For further inquiries, the primary point of contact is Katherine Snider.

Spiniello Companies

POSTED

about 6 hours ago

DEADLINE

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

Solicitation # recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-improvements

The Recharge Master Plan Update Basin Improvements Project focuses on infrastructure enhancements for the Montclair Basin in San Bernardino County, California. Managed by the Inland Empire Utilities Agency and facilitated through Big Ben Engineering, this solicitation is identified by contract number IFB-JV-26-015 and falls under NAICS code 237110 for heavy and civil engineering construction. This opportunity is specifically set aside for small businesses. Interested parties must submit their responses by the deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi, who serves as the main point of contact for inquiries regarding the bidding process and project specifications.

Big Ben Engineering

POSTED

about 6 hours ago

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Solicitation # village-roanoke-il-sanitary-sewer-lining-improvements

SAK Construction, LLC is seeking quotes from Minority Business Enterprises and Women Business Enterprises for the Village of Roanoke, Illinois Sanitary Sewer Lining Improvements project. The scope of work involves sanitary sewer lining improvements, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. This solicitation is categorized under NAICS code 237110 and is specifically set aside for MBE and WBE firms. Interested parties must complete all negotiations by October 21, 2026, as the final bid deadline is October 22, 2026, at 12:00 PM local time. Detailed plans and specifications can be obtained from Karen Sheldon at HMG Engineers, Inc. or by contacting the SAK Estimating Department. For inquiries regarding bonding and credit assistance, Austin Stoecker is the designated point of contact.

SAK Construction, LLC

POSTED

about 6 hours ago

DEADLINE

Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Contract K-27-2470-DBB-3-C

Solicitation # K-27-2470-DBB-3-C

Flatiron Dragados Constructors, Inc. has issued an Invitation to Bid for the Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, for the City of San Diego. This CASRF and EPA funded project seeks quotes from subcontractors and suppliers for various scopes of work, including pipe supply, electrical, paving, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Bids must be submitted via email or fax by October 28, 2026, at 2:00 PM and must remain valid for 120 days. All participating subcontractors are required to maintain a valid California contractor license and be registered with the California Department of Industrial Relations in accordance with Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement and requires compliance with specific insurance standards. Additionally, the contractor reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with actual bond premium costs reimbursed up to a maximum of 3 percent. Primary coordination is managed by Veronica Garcia at the San Diego office.

Flatiron Dragados Constructors, Inc.

POSTED

about 6 hours ago

DEADLINE

SAWS, TX – Central Sewershed Package 10 (Terrell Hills)

Solicitation # CO-00920

SAK Construction, LLC is soliciting quotes for the San Antonio Water System Central Sewershed Package 10 (Terrell Hills) project in Texas under solicitation number CO-00920. This opportunity is specifically set aside for local Small, Minority and Woman Businesses (SMWB) under NAICS code 237110. The scope of work encompasses comprehensive sewer infrastructure activities, including pipe cleaning, obstruction removal, and CCTV inspections that require a visible inclinometer. Additional requirements include open-cut sewer construction for manhole installation and adjustment, sewer lateral repairs, pipe point repairs, and manhole rehabilitation and coating. Support services for the project include bypass pumping, traffic control, fencing, and SWPPP preparation, as well as surface restoration involving asphalt pavement removal, concrete riprap work, and sodding. All negotiations must be finalized by October 19, 2026, as the project bids on October 21, 2026, at 2:00 PM local time. Interested parties should coordinate with the primary point of contact, Patrick Hale.

SAK Construction, LLC

POSTED

about 6 hours ago

DEADLINE

Stadium Road Water Line Extension in Florence, SC

Solicitation # stadium-road-water-line-extension-florence-sc

Columbus Utilities, Inc. is soliciting bids for the Stadium Road Water Line Extension project located in Florence, South Carolina. This opportunity is specifically set aside for certified Disadvantaged Business Enterprise, Minority Business Enterprise, and Women Business Enterprise subcontractors and suppliers. The scope of work includes various subcontracting needs, with primary opportunities available for asphalt work, surveying, and general supply and vending services. Interested parties must submit their proposals by October 22, 2026, at 2:00 PM. Submissions can be made via phone, fax, or email to the primary point of contact, Tony Strickland. This solicitation falls under NAICS code 237110 for water and sewer line construction.

Columbus Utilities, Inc.

POSTED

about 6 hours ago

DEADLINE

AMERICAN BOTTOMS RWTP – SLUDGE HANDLING FACILITY

Solicitation # american-bottoms-rwtp-sludge-handling-facility

River City Construction, LLC is seeking qualified subcontractors for the American Bottoms RWTP Sludge Handling Facility project located in Illinois. The comprehensive scope of work includes site work, earthwork, utilities, concrete, masonry, and the installation of various systems such as plumbing, HVAC, and electrical. Additionally, the project requires specialized expertise in process interconnections, material processing and handling equipment, and water and wastewater equipment. This solicitation is specifically targeted toward Small Business Enterprises, Disadvantaged Business Enterprises, Minority Business Enterprises, Women's Business Enterprises, Service Disabled Veteran Owned Businesses, and Veteran Owned Businesses. To be considered, bidders must submit their DBE, WBE, MBE, SDVOB, or VOB certification along with their proposal. Awards will be granted based on the lowest responsive bid received. The bid opening is scheduled for November 5, 2026, at 2:00 PM, and interested parties should coordinate with JR Peterson for further inquiries.

River City Construction, LLC

POSTED

about 6 hours ago

DEADLINE

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Solicitation # biola-community-services-district-waste-water-treatment-plant-improvements-project-redesign

The Biola Community Services District is seeking proposals for the Waste Water Treatment Plant Improvements Project Redesign located in Biola, Fresno, California. Managed by W.M. Lyles Co., this solicitation falls under NAICS code 237110 and is specifically set aside for small businesses, including Disadvantaged Business Enterprises, Disabled Veteran Business Enterprises, Minority Business Enterprises, and Women Business Enterprises. Interested parties must submit their responses by the deadline of October 21, 2026. Primary coordination for this project is handled by Scott Fults, and further details regarding the submission process can be accessed through the provided agency contact information or the official solicitation link.

POSTED

about 6 hours ago

DEADLINE

Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A

Solicitation # alvarado-trunk-sewer-ph-iv-water-main-relocations-bid-package

The Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A is a solicitation for infrastructure work located in San Diego, California. Managed by the City of San Diego under contract number K-27-2470-DBB-3-C, the project falls under NAICS code 237110 for heavy and civil engineering construction. KTA Construction Inc. is the associated agency for this opportunity, with Brin Ragsdale serving as the primary point of contact. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on October 16, 2026, and requires responses to be submitted by the deadline of October 28, 2026.

KTA Construction Inc.

POSTED

about 6 hours ago

DEADLINE

City of Lomita: Zone G Water Main Replacement Project

Solicitation # city-lomita-zone-g-water-main-replacement-project

The City of Lomita Zone G Water Main Replacement Project involves the installation of approximately 4,500 linear feet of new 8-inch DIP water mains, gate valves, fittings, water services, and fire hydrant assemblies, along with the abandonment of existing water mains. The work is located on Walnut Street, Ebony Lane, and 247th Place in California. W.A. Rasic Construction Company, Inc. is soliciting subcontractor quotations for various trades, including waterworks, hot taps, ready-mix concrete, PCC and AC paving, AC grind and cap, striping, traffic control, trucking, and soil and material testing. Subcontractors must hold a valid California Contractors License and be registered with the Department of Industrial Relations per Section 1725.5 of the Public Contract Code. The solicitation specifically encourages participation from DBE, MBE, WBE, and SBE firms. Awarded subcontractors will be required to execute the prime contractor's standard subcontract agreement and insurance requirements, and may be required to provide payment and performance bonds for 100 percent of their bid, with bond premiums reimbursed up to 1.5 percent. Quotations are due by October 19, 2026, at 1:00 PM, and should be directed to Matt Metoyer.

W.A. Rasic Construction Company

POSTED

about 6 hours ago

DEADLINE

Greenfield WWTP

Solicitation # greenfield-wwtp

The City of Greenfield is seeking bids for the Greenfield WWTP project located in Monterey, California, under contract number 2026-03. This solicitation is being managed by Clark Bros., Inc., with Saif Misbah serving as the primary point of contact. The project falls under NAICS code 237110, focusing on water and sewer infrastructure. This opportunity is specifically set aside for small businesses, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, and Veteran-Owned Small Businesses. The solicitation was posted on October 16, 2026, and all responses must be submitted by the deadline of October 28, 2026.

Clark Bros., Inc.

POSTED

about 6 hours ago

DEADLINE

Purified Water Replenishment San Jacinto Valley Advances Water Purification Facility

Solicitation # purified-water-replenishment-san-jacinto-valley-advances-water-purification-facility

The Purified Water Replenishment San Jacinto Valley Advances Water Purification Facility project is a solicitation issued by W.M. Lyles Co. on behalf of the Eastern Municipal Water District. Located in San Jacinto, Riverside, California, this contract falls under NAICS code 237110 for heavy and civil engineering construction. The project focuses on the advancement of water purification infrastructure to support regional water replenishment efforts. Interested parties must submit their responses by the deadline of October 20, 2026. The solicitation encourages participation from certified Disadvantaged Business Enterprises, Minority Business Enterprises, and Woman Business Enterprises. Primary coordination for this opportunity is managed by Scott Fults, who serves as the point of contact for bidding inquiries.

POSTED

about 6 hours ago

DEADLINE

Purified Water Replenishment - San Jacinto Valley Advanced Water Purification Facility

Solicitation # purified-water-replenishment-san-jacinto-valley-advanced-water-purification-facility-0

The Purified Water Replenishment project for the San Jacinto Valley Advanced Water Purification Facility is a solicitation issued by Walsh Construction Company II, LLC on behalf of the Eastern Municipal Water District. Located in San Jacinto, Riverside, California, this contract falls under NAICS code 237110 and is designated as a set-aside for small businesses, including disadvantaged, minority, and woman-owned business enterprises. Interested parties must submit their responses by October 20, 2026. The primary point of contact for this opportunity is Clay Gunderson. This project focuses on critical water infrastructure improvements within the state of California.

Walsh Construction Company II, LLC

POSTED

about 6 hours ago

DEADLINE

Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility in CA

Solicitation # purified-water-replenishment-san-jacinto-valley-advanced-water-purification-facility-ca

Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility project in San Jacinto, California, for the Eastern Municipal Water District. The project aims to recharge the San Jacinto groundwater basin using a blend of recycled and advanced treated water. The comprehensive scope of work includes civil and site work, process building construction, installation of underground utilities and process piping, and the implementation of advanced membrane treatment equipment, specifically Ultrafiltration and Reverse Osmosis systems. Additionally, the project involves the construction of brine ponds, which includes site preparation, civil improvements, installation of lined evaporation ponds, and all necessary mechanical, electrical, instrumentation, and control systems to ensure a complete operational facility. This solicitation is specifically targeting DBE, MBE, WBE, and SBE certified firms, and a current DBE certification from an approved agency is required with the bid. All subcontractors must utilize union labor and be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, though Garney will reimburse the bond premium. Subcontractors intending to further subcontract any portion of their scope must document the first five steps of the Six Good Faith Efforts per project guidelines. Quotes, including any redlines to standard subcontract forms and applicable bond rates, are due by October 20, 2026, at 10:00 AM PT.

Garney Pacific, Inc.

POSTED

about 6 hours ago

DEADLINE

ZONE G WATER MAIN REPLACEMENT PROJECT

Solicitation # zone-g-water-main-replacement-project

The Zone G Water Main Replacement Project is a solicitation issued by Big Ben Engineering for work located in Lomita, California, on behalf of the City of Lomita. This project falls under NAICS code 237110 and is specifically set aside for Small Businesses. Interested parties must submit their responses by the deadline of October 19, 2026. The primary point of contact for this opportunity is Sep Sharifi, who can be reached via email at sep@bigbenengineering.com or by phone at 949-660-9400.

Big Ben Engineering

POSTED

about 6 hours ago

DEADLINE