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DIAMOND CORE DRILLING INC

UEI: RHEFFMWE8HW7

DIAMOND CORE DRILLING INC is a federal contractor, registered under UEI RHEFFMWE8HW7. It has been awarded $267,598 in federal contracts. Primary work spans Water and Sewer Line and Related Structures Construction, Site Preparation Contractors, and Geophysical Surveying and Mapping Services. Top awarding agencies include Department Of Agriculture, Department Of The Interior, and Department Of Transportation.

Contact Information

Registration and classification details

Registration

UEI Code

RHEFFMWE8HW7

Federal Contracting Overview

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

Key Performance Metrics

Awards Count

15

All time

Active

0

Currently performing

Completed

15

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$183.4K68.5%Department Of The Interior$54.1K20.2%Department Of Transportation$30.1K11.3%

Awards by NAICS

237110 - Water and Sewer Line and Related Structures Construction$146.5K54.8%238910 - Site Preparation Contractors$59.4K22.2%541360 - Geophysical Surveying and Mapping Services$28.0K10.5%235810 - Unknown NAICS$18.4K6.9%237990 - Other Heavy and Civil Engineering Construction$7.9K3%238990 - All Other Specialty Trade Contractors$7.3K2.7%

Awards by Agency Over Time

Awards by Place of Performance

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Traffic and Pedestrian SignageThis subcontract opportunity involves the supply and installation of pedestrian and traffic signage for prime contractors working on infrastructure projects for the Town of Nantucket in Massachusetts. The scope of work includes the installation of sign posts and the mounting of both regulatory and directional signage to ensure the delivery of fully installed signage at the designated performance site on Washington Street. The solicitation is categorized under NAICS code 238990 and is managed by the Town Administration. Interested parties must submit their responses by the deadline of November 19, 2026, following the posting date of October 20, 2026.

2 - Town Administration

POSTED

about 8 hours ago

DEADLINE

Guardrail InstallationThis subcontract for Guardrail Installation involves the supply and installation of safety guardrails for prime contractors working on Town of Nantucket infrastructure projects. The scope of work specifically includes post driving and rail installation along the Sparks Avenue sidepath, ensuring all deliverables meet established safety standards. The project is managed by the Town Administration in Massachusetts and will be performed in Nantucket, Massachusetts. Interested parties must submit their responses by November 19, 2026, in accordance with the solicitation posted on October 20, 2026.

2 - Town Administration

POSTED

about 8 hours ago

DEADLINE

Chain Link Fence Installation ServicesThis subcontract for Chain Link Fence Installation Services involves providing specialized fencing solutions for prime contractors at Somerset Middle School under the Somerset Public Schools agency in Massachusetts. The scope of work includes performing layout, setting fence posts in concrete, installing fabric, and fitting all necessary gates and hardware. All installations must strictly adhere to local building codes and established school safety protocols to deliver a fully functional fence system. The project is categorized under NAICS code 238990 and is located on Whetstone Hill Road in Somerset, zip code 02726. The solicitation was posted on October 20, 2026, with a response deadline set for October 29, 2026.

SPS03 - Somerset Public Schools

POSTED

about 9 hours ago

DEADLINE

SOMERSET MIDDLE SCHOOL NEW CHAIN LINK FENCING

Solicitation # BD-27-2135-SPS03-SPS04-134611

The Somerset Public Schools is soliciting sealed bids for the Somerset Middle School New Chain Link Fencing project, identified by solicitation number BD-27-2135-SPS03-SPS04-134611. The scope of work involves the installation of new chain link fencing at the Somerset Middle School located at 1141 Brayton Ave, Somerset, MA 02726. A pre-bid site walk is scheduled for October 20, 2026, at 3:00 PM at the school location. Hard-copy bids must be submitted by 3:00 PM on October 29, 2026, to the Somerset School Administration Office at 580 Whetstone Hill Road, Somerset, MA 02726. All submission envelopes must be clearly labeled as Bid for the Somerset Middle School New Chain Link Fencing. The primary point of contact for the procurement is Purchaser Kayla Marsden, with additional administrative support provided by Andrew DiGiammo and Raquel Pellerin. This is an open market solicitation with bid documents available starting October 15, 2026.

SPS03 - Somerset Public Schools

POSTED

about 9 hours ago

DEADLINE

Turbine and Sculpture MaintenanceThis subcontract involves providing bi-annual technical maintenance for turbines and public sculptures on projects managed by the City of El Paso Streets and Maintenance Department. The scope of work includes performing mechanical cleaning, lubrication, and structural inspections of kinetic art installations, utilizing specialized tools and lifts to ensure proper access. The contractor is responsible for delivering serviced sculptures and submitting detailed bi-annual maintenance reports. This opportunity is categorized under NAICS code 238990, with a response deadline set for November 18, 2026.

City Of El Paso

POSTED

about 10 hours ago

DEADLINE

Signage Installation ServicesThis subcontract for Signage Installation Services involves performing installation work for prime contractors across eight Bryan Independent School District elementary school campuses, including Bonham, Bowen, and Branch. The scope of work requires the mounting and securing of signage packages to walls and doors, ensuring all deliverables are fully installed and verified according to project specifications. The contractor must maintain comprehensive general liability insurance and provide a waiver of subrogation endorsement. This opportunity is categorized under NAICS code 238990, with a response deadline set for November 3, 2026.

POSTED

about 10 hours ago

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority is issuing an advance notice for its Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to other heavy and civil engineering construction. The notice was posted on October 20, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

about 11 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. Key activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete pipes and structures. Specialized services required for the project include traffic control, SWPPP, construction surveying, electrical work, welding, and preconstruction video. Norstar Plumbing and Engineering, Inc. is seeking certified and qualified DBE, MBE, SBE, and WBE subcontractors and suppliers to support these efforts. Interested parties must submit their bids by October 29, 2026, at 2:00 PM. Detailed plans and specifications for the project are available through the Inland Empire Utilities Agency bidding website. Primary points of contact for this solicitation are Nathan Plummer and Destiny Plummer.

Norstar Plumbing and Engineering, Inc

POSTED

about 11 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, North Carolina, with an estimated value of 16,690,000 dollars. The scope of work involves the construction of 16,435 linear feet of new 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 facility, including the installation of pumps, a generator, odor control equipment, new gravity sewers, and manholes, while managing by-pass pumping, testing, and commissioning. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on MWBE compliance through the submission of Good Faith Efforts and Table A documentation. Bids are due by November 12, 2026, and must be submitted using the EJCDC C-410 Bid Form. The project is governed by EJCDC standard general and supplementary conditions, requiring performance and payment bonds and proof of insurance. Technical standards include AWWA Specification C-600 for pipelines, NEMA MG1 for motors, and AWS D1.2 for aluminum welding. Project administration is managed by the City of Belmont with Willis Engineers serving as the project engineer. Payment is processed via Applications for Payment, with terms set at 30 days after presentation to the owner.

Don Moorhead Construction, Inc.

POSTED

about 11 hours ago

DEADLINE

PURIFIED WATER REPLENISHMENT SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY SPECIFICATION NO. 1472W

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

J.F. Shea Construction, Inc. is seeking sub-bids from qualified Disadvantaged Business Enterprise subcontractors and suppliers for the Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility project. Located in San Jacinto, California, this solicitation is for the owner, Eastern Municipal Water District, under specification number 1472W. The opportunity is open to various certified entities, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The project encompasses a wide range of construction and supply needs, covering numerous NAICS codes related to heavy and civil engineering, specialty trade contracting, and industrial machinery. Interested parties must submit their bids by November 17, 2026, at 10:00 A.M. Primary coordination for this solicitation is handled by Lori Olivas.

J.F. Shea Construction, Inc.

POSTED

about 11 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 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 11 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 located in San Bernardino County, California. Commissioned by the Inland Empire Utilities Agency and managed 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 at Big Ben Engineering.

Big Ben Engineering

POSTED

about 11 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, IL Sanitary Sewer Lining Improvements project. The scope of work focuses on sanitary sewer lining improvements within the state of Illinois, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. 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 requesting a link from the SAK Estimating Department. For assistance regarding bonds, insurance, equipment, or materials, contact Austin Stoecker.

SAK Construction, LLC

POSTED

about 11 hours ago

DEADLINE

in about 21 hours

Elgin, MN: Storm Sewer Lining/Sealing - Elgin C-Store

Solicitation # elgin-mn-storm-sewer-liningsealing-elgin-c-store

SAK Construction is seeking bids from qualified subcontractors for the Storm Sewer Lining and Sealing project located at the Elgin C-Store in Elgin, Minnesota. This solicitation specifically targets Disadvantaged Business Enterprises (DBE) and Women-Owned Business Enterprises (WBE), with set-asides available for Small Businesses, Veteran Owned Small Businesses, HUBZone Small Businesses, and Small Disadvantaged Businesses under NAICS code 237110. The scope of work includes several key subcontracting opportunities, specifically the cleaning and CCTV inspection of storm sewers, storm sewer structure rehabilitation, and the provision of traffic control services. Interested parties must contact SAK Estimating to obtain the necessary plans and specifications. All negotiations must be finalized by October 22, 2026, as the final bid deadline is October 23, 2026, at 2:00 PM local time. Primary coordination for this opportunity, including inquiries regarding bonds, insurance, and materials, is managed by Ryan Hogenmiller.

SAK Construction

POSTED

about 11 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. is soliciting bids 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 is located in California and 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 must possess 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. Additionally, Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with actual bond premium costs reimbursable up to a maximum of 3 percent. All bonds must be issued by a surety authorized to operate within the State of California.

Flatiron Dragados Constructors, Inc.

POSTED

about 11 hours ago

DEADLINE

Greenfield Wastewater Treatment Plant Upgrade Project

Solicitation # greenfield-wastewater-treatment-plant-upgrade-project-0

Anderson Pacific Engineering Construction, Inc.

POSTED

about 11 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 specific opportunities available for asphalt work, surveying, and general supplies or vending services. Interested parties must submit their proposals by October 22, 2026, at 2:00 PM. Submissions can be coordinated through the City of Florence or AECOM Technical Services, Inc. via phone, fax, or email. The primary point of contact for this solicitation is Tony Strickland.

Columbus Utilities, Inc.

POSTED

about 11 hours ago

DEADLINE

in about 21 hours

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 work will be performed 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 a set-aside for various small business categories, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on October 20, 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

about 11 hours ago

DEADLINE