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R.B. Conway & Sons Inc. 70-J Corbin Avenue, BAY SHORE NY 11706 USA

UEI: SLED_2E22826BA142BC87

R.B. Conway & Sons Inc. 70-J Corbin Avenue, BAY SHORE NY 11706 USA is a federal contractor, registered under UEI SLED_2E22826BA142BC87. It has been awarded $212,000 in federal contracts. Primary work spans Other Heavy and Civil Engineering Construction. Top awarding agencies include Department Of Homeland Security.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_2E22826BA142BC87

Federal Contracting Overview

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

AI Capability Profile

R.B. Conway & Sons Inc. provides specialized marine construction and maintenance services, with technical expertise in dredging operations. Their capabilities include the removal of sediment and debris to maintain navigable waterways and support maritime infrastructure. The company has experience s...

Key Performance Metrics

Awards Count

1

All time

Active

0

Currently performing

Completed

0

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 Homeland Security$212.0K100%

Awards by NAICS

237990 - Other Heavy and Civil Engineering Construction$212.0K100%

Awards by Agency Over Time

Awards by Place of Performance

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ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Kings Canyon Unified School District is seeking bids for Project No. 1000316-001C, which involves the well drilling phase for Alta, Riverview, and Kings Canyon High schools. The project will be executed across multiple locations in California, specifically within Reedley, Parlier, Dinuba, and Fresno. This solicitation is categorized under NAICS code 237990 and is managed through Anthony J. Prieto Water Well Drilling, Inc. This opportunity is designated as an SBA set-aside, making it available to various small business categories, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on November 2, 2026, with a response deadline of November 10, 2026. Interested parties may contact Jennah Castagna for further information regarding the submission process.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

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Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-0

The Recharge Master Plan Update Basin Improvements Project, managed by Granite Construction Company, involves the construction of two drop inlet diversion structures across the 25-foot-wide concrete San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor, installing steel debris grates, and fitting wall-mounted steel gates on the east sides of the structures. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. The project also encompasses the delivery of full electrical, instrumentation, and SCADA integration to manage gate actuation. Programming for these systems is strictly limited to approved integrators, specifically Technical Systems, Inc. or E Technologies Group. This solicitation is categorized under NAICS code 237990 and includes a set-aside for Disadvantaged Business Enterprises.

Granite Construction Company

POSTED

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ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. Identified by solicitation number 2026-001, this project is managed through Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. This opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises as defined by the Department of Transportation. Interested parties should coordinate with the primary point of contact, Amy Majors, and adhere to the strict submission timeline ending on November 3, 2026.

Hydro Resources - Mid Continent, Inc.

POSTED

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in about 1 hour

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

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

Empire Equipment Service, Inc. is soliciting quotes from certified DBE and DVBE subcontractors and suppliers for the Montclair Basins 2 and 3 Diversion Improvements project. This work is part of the Recharge Master Plan Update Basin Improvements Project located at the San Antonio Creek Channel in Montclair, California, performed for the Inland Empire Utilities Agency. The opportunity is designated for various small business set-asides, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries and submissions should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

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Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County, California. Identified by Project Number 13891 and Event ID 0000040533, this solicitation focuses on site compliance and infrastructure enhancements under NAICS code 237990. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

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Structural Repair at NCMT Berths 24-3 and 24-4, CA

Solicitation # structural-repair-ncmt-berths-24-3-24-4-ca

This solicitation, issued by Griffith Company, concerns structural repair work at NCMT Berths 24-3 and 24-4 located in California. The scope of work involves the demolition and removal of existing concrete decks, pile caps, and appurtenances, followed by the construction of a new reinforced concrete deck. Additionally, the project requires the repair of existing piles, the installation of pile jackets, and the replacement of various waterfront elements, including bull rails, wale systems, fenders, and mooring hardware such as bollards. The opportunity is designated as a Small Business set-aside under NAICS code 237990. Interested parties must submit their responses by the deadline of November 4, 2026. For further inquiries, the primary point of contact is Savana Powell.

Griffith Company

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ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to all other miscellaneous construction activities. The notice was posted on November 2, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage their bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

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Lewis Park Improvements

Solicitation # 2026-IFB-222

The City of Pittsburgh Department of Public Works is soliciting bids for solicitation number 2026-IFB-222 to perform general construction improvements at Lewis Park in Hazelwood. The scope of work includes the construction of two basketball courts, a playground area, a pavilion, and greenspace, as well as associated demolition, earthwork, utility connections, and site restoration. Bids must be submitted electronically via the OpenGov Procurement Platform by November 16, 2026, at 2:00 pm, following a mandatory pre-bid meeting on November 2, 2026. The contract will be awarded to the lowest responsive and responsible bidder on a lump sum basis. Key requirements for bidders include the submission of a completed Schedule of Values, a W-9 form, and an Equal Opportunity Review Commission Participation Form demonstrating commitment to specific socioeconomic goals, including 18 percent MBE, 7 percent WBE, 5 percent VOSB, and 3 percent LGBTQIA+ participation. The successful contractor must provide performance and payment bonds equal to 100 percent of the contract price within ten calendar days of the award. All work must comply with Pennsylvania Prevailing Wage rates, ADA standards, and federal safety regulations. Payment will be made through monthly progress invoices, with the City endeavoring to provide payment within 45 days of approval. Final acceptance is contingent upon a pre-final inspection and the completion of a deficiency punch-list within 30 calendar days.

POSTED

about 2 hours ago

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Guadalupe Light Rail Vehicle Wash Improvements

Solicitation # IFB C25134F

The Santa Clara Valley Transportation Authority is soliciting bids for the Guadalupe Light Rail Vehicle Wash Improvements project, identified as Contract C25134F. The scope of work involves the complete removal and replacement of the existing light rail vehicle wash system at Building F of the Guadalupe Division with a new hybrid drive-through and gantry wash system designed for 88.5-foot-long vehicles. The project encompasses comprehensive civil, trackwork, electrical, and plumbing improvements, including the installation of a prefabricated canopy, a new concrete slab, a wastewater collection trench, and a water reclamation system featuring reverse osmosis and softening capabilities. Work will be performed within an active rail yard, requiring strict adherence to safety and operational procedures to ensure the continuing function of the light rail system. The contract will be awarded to the lowest responsive and responsible bidder based on the total bid price, with an engineer's estimate ranging between 4.5 million and 5.5 million dollars. Bidders must be pre-qualified and submit their proposals electronically via the OpenGov portal by the final deadline of November 13, 2026. Key requirements include the provision of bid security equal to 5 percent of the total base bid price, as well as performance and payment bonds for public works. Because the project is federally funded, it is subject to Federal Transit Administration clauses, including Buy America requirements for steel and rolling stock over 150,000 dollars, prevailing wage rates, and mandatory registration with the California Department of Industrial Relations.

Construction Contracts

POSTED

about 6 hours ago

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Sewer CCTV Inspection & CleaningPM Construction & Rehab, LLC is seeking a subcontractor for the Sanitary Sewer Improvements project in Tecumseh, Oklahoma. The selected contractor will be responsible for cleaning existing sanitary sewer lines using high-pressure water jetting and performing detailed inspections via robotic CCTV crawler cameras to identify blockages or defects. Final deliverables include fully cleaned sewer lines along with comprehensive inspection reports and video logs. This is a subcontract opportunity designated for small businesses, including SBA certified Women-Owned Small Businesses and SAM.gov designated Small Disadvantaged Businesses. Preference will be given to candidates with S/M/WBE or Section 3 Certification. The project falls under NAICS code 237990, with a response deadline set for November 3, 2026.

PM Construction & Rehab, LLC

POSTED

about 6 hours ago

DEADLINE

in about 1 hour

Butte Slough Outfall Gates Repairs, Sacramento River State Plan Flood Control Facilities

Solicitation # 26-10

Solicitation 26-10, Contract C51700, is issued by the California Natural Resources Agency, Department of Water Resources, for repairs to the Butte Slough outlet structure located at the confluence with the Sacramento River in Colusa and Sutter Counties. The scope of work includes selective demolition, the installation of steel piles and piers, and the replacement of the inlet catwalk. The contractor is responsible for installing seven Department-furnished slide gates and seven electrical actuators. Key operational requirements include managing in-water work, implementing dewatering and fish rescue plans, and adhering to a project-specific spill prevention, containment, and cleanup plan. The contract will be awarded to the lowest responsible bidder, with specific preferences available for certified small businesses, California companies, and Disabled Veteran Business Enterprises. Bidders must provide bid security via cash, check, or bond, and the successful awardee must furnish performance and payment bonds equal to the total bid amount. Compliance with various environmental permits is mandatory, including the Clean Water Act Sections 401 and 404 and the CDFW Lake and Streambed Alteration Agreement. Additionally, the contractor must employ a CDFW-approved Designated Biologist to oversee environmental compliance and conduct mandatory on-site education for all personnel. Bids must be submitted in sealed envelopes to the California Natural Resources Agency Headquarters in Sacramento by 2:00 P.M. on December 2, 2026.

California Natural Resources Agency, Department of Water Resources

POSTED

about 7 hours ago

DEADLINE

Site Preparation and EarthworksThis subcontract for Site Preparation and Earthworks involves providing essential groundworks for Codi Group Ltd residential development schemes located in Wales. The scope of work includes site clearing, bulk excavation, grading, and soil stabilization, as well as trenching for utilities and the removal of vegetation and debris. The primary objective is to deliver a fully graded and prepared building pad suitable for subsequent foundation work. The opportunity was posted on November 2, 2026, with a response deadline of January 6, 2027. Operating under NAICS code 237990, the contract requires the selected subcontractor to work alongside prime contractors to ensure all site preparation meets the necessary specifications for residential construction.

POSTED

about 7 hours ago

DEADLINE

Civil Earthwork & Trenching ContractorThis subcontract opportunity is for a Civil Earthwork and Trenching Contractor to support apron expansion projects at the McAllen International Airport for the City of McAllen. The selected contractor will be responsible for performing critical excavation, trenching, and backfilling operations for prime contractors, specifically focusing on sanitary sewer trenches. Key technical requirements include the implementation of trench protection systems and the precise placement of bedding and backfill materials in strict accordance with FAA Technical Specifications. The scope of work involves the utilization of excavators and shoring systems to deliver completed trenches that are ready for utility installation. Interested parties must submit their responses by the deadline of December 17, 2026. This project falls under NAICS code 237990 and is centered on ensuring the structural and technical integrity of the airport's infrastructure expansion.

City of McAllen

POSTED

about 8 hours ago

DEADLINE

in about 1 month

GROVE CITY NPDES PROGRAM COMPLIANCE SERVICES - BMP MAINTENANCE PLAN, HOOVER ROAD & LONDON-GROVEPORT ROAD SITE, HOLTON ROAD SITE AND BRECK PARK SITE

Solicitation # 49668

The City of Grove City is seeking sealed bids for NPDES Program Compliance Services to perform BMP maintenance across three specific locations: the Hoover Road and London-Groveport Road site, the Holton Road site, and the Breck Park site. The scope of work includes cleaning diversion structures and installing a weir wall at Hoover Road, replacing engineered soil media and outlet structures at Holton Road, and removing sediment and regrading the overflow swale at Breck Park. The total estimated construction cost for the base bid covering all three sites is 324,450.00 dollars. Bids must be submitted via Bid Express by 11:00 a.m. local time on November 6, 2026, with the contract being awarded to the lowest and best bidder. Construction is scheduled to take place between January 4, 2027, and March 26, 2027, with final seeding and restoration occurring in April 2027. The contractor is required to complete work at each site individually before moving to the next, with estimated durations of 10 days for the Hoover Road site and 20 days each for the Holton Road and Breck Park sites.

POSTED

about 8 hours ago

DEADLINE

Seaview Vehicular Beach Access Ramp Reconstruction Project

Solicitation # 26-B-128CW

The Seaview Vehicular Beach Access Ramp Reconstruction Project, solicitation number 26-B-128CW, is an invitation for bid issued by the County of Volusia to reconstruct a beach access ramp in a residential section of Daytona Beach that was destroyed by Hurricane Ian in 2022. The project scope includes the demolition of storm-damaged infrastructure and the installation of a reinforced concrete vehicular ramp, a pedestrian sidewalk, a concrete cap, and composite sheet pile seawall panels and retaining walls. Additional site improvements include FDOT Type D curbing, an on-beach shower, pavement markings, signage, and full site restoration. The estimated construction cost is 1,213,413.00 dollars, with a total contract performance period of 150 days following the Notice to Proceed. Bids are due electronically via the OpenGov Procurement portal by November 5, 2026, at 3:01 pm, and will be awarded to the single lowest responsive and responsible respondent. The contractor must comply with various regulatory requirements, including permits from the FDEP, USACE, and U.S. Fish and Wildlife Service, as well as the Habitat Conservation Plan for the Protection of Sea Turtles. Mandatory requirements include the provision of payment and performance bonds, comprehensive insurance coverage, and adherence to federal contract provisions such as the Davis-Bacon Act and Equal Employment Opportunity standards. Payments are generally made within 30 days of receipt of an undisputed invoice, with specific sales tax exemption procedures in place for materials.

POSTED

about 8 hours ago

DEADLINE

Specialized Wetland Earthwork (Ridge and Swale Construction)This subcontract for Specialized Wetland Earthwork involves performing excavation and material placement to manipulate ground hydrology for prime contractors on USACE Rock Island District projects. The scope of work focuses on the construction of ridge and swale features in seasonally wet areas, requiring the use of amphibious equipment or low-ground-pressure excavators and dozers to deliver results according to technical schematics. The project is managed under the Department of Defense through the W07V Endist Rock Island agency. Eligible contractors must be certified to transact business in both Illinois and Iowa. The response deadline for this opportunity is December 2, 2026, with performance centered in the 52001 zip code area.

W07V Endist Rock Island

POSTED

about 11 hours ago

DEADLINE

Civil Site Work & EarthmovingThis subcontract for Civil Site Work and Earthmoving supports prime contractors on USACE New York District projects located at JBMDL. The scope of work involves comprehensive site preparation, including clearing, excavation, and bulk cut and fill earthwork for volumes up to 10,000 cubic yards. The primary objective is to deliver a fully graded and prepared building pad equipped with necessary drainage systems. A critical technical requirement of the project is the implementation of a storm water management facility utilizing Low Impact Development standards. This effort is managed under NAICS code 237990 for the Department of Defense. Interested parties must note the response deadline of November 12, 2026.

W2SD Endist New York

POSTED

about 11 hours ago

DEADLINE

Kona Low Storm Damage Repairs

Solicitation # 70FBR927Q00000003

The Department of Homeland Security, through the Federal Emergency Management Agency (FEMA), is soliciting firm-fixed priced construction services for storm damage repairs at the Kilohana Group Housing Site in Lahaina, Hawaii. The project focuses on restoring erosion-damaged areas in the South and Northeast Damage Areas to pre-storm conditions and implementing mitigation measures to reduce future erosion risks. The estimated project value is between $160,000 and $220,000. This opportunity is a 100% small business set-aside, and all offerors must be registered in SAM.gov and located within Maui County. The contract will be awarded to the lowest price technically acceptable (LPTA) proposal. Qualified offerors must submit a three-part proposal consisting of a technical proposal, past performance from the last five years, and a price proposal. Work must commence within 30 calendar days of the notice to proceed and be completed within 60 days. The contractor is responsible for adhering to County of Maui codes and regulations, maintaining a quality control program, and providing daily quality control reports. Final inspection and acceptance will be managed by the Contracting Officer or their representative at the FEMA Long Term Recovery Office in Kihei, Hawaii.

POSTED

about 11 hours ago

DEADLINE