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DIAMOND-H CONSTRUCTION, INC

UEI: ZS3KLJNSNFG4CAGE: 1C3S8

DIAMOND-H CONSTRUCTION, INC is a federal contractor, registered under UEI ZS3KLJNSNFG4 and CAGE code 1C3S8. It has been awarded $9,031,554 in federal contracts. Primary work spans Research and Development in Biotechnology, Plumbing, Heating, and Air-Conditioning Contractors, and All Other Specialty Trade Contractors. Top awarding agencies include Department Of Defense, Department Of Homeland Security (dhs), and Department Of The Interior.

Contact Information

Registration and classification details

Registration

UEI Code

ZS3KLJNSNFG4

CAGE Code

1C3S8

Entity Structure

Corporate Entity (Not Tax Exempt)

Established

N/A

Business Classifications

For Profit Organization

NAICS Codes

221310Water Supply and Irrigation Systems
221320Sewage Treatment Facilities
221330Steam and Air-Conditioning Supply
236210Industrial Building Construction
236220Commercial and Institutional Building Construction
+8 more

Federal Contracting Overview

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

AI Capability Profile

Diamond-H Construction, Inc. specializes in civil infrastructure construction under NAICS 237110, focusing on heavy and civil engineering projects such as roadways, bridges, drainage systems, and earthwork excavation. The firm delivers turnkey construction services utilizing industry-standard techni...

Diamond-H Construction, Inc. specializes in civil infrastructure construction under NAICS 237110, focusing on heavy and civil engineering projects such as roadways, bridges, drainage systems, and earthwork excavation. The firm delivers turnkey construction services utilizing industry-standard techniques in site preparation, grading, utility relocation, and concrete placement, with an emphasis on compliance with federal and state engineering specifications. Their technical expertise includes earthmoving operations, pavement design and installation, stormwater management systems, and construction quality assurance protocols. While no recent awards or agency history are available to validate specific project types, their primary classification indicates a foundational capability in public works construction requiring precision in surveying, material testing, and adherence to DOT and Army Corps of Engineers standards. No agency relationships can be confirmed due to absence of award data, and no vertical specializations or recurring client patterns are discernible from the provided information. The company’s market positioning is rooted in the civil engineering construction sector, serving government-funded infrastructure initiatives that demand adherence to ASTM, AASHTO, and OSHA regulatory frameworks. Diamond-H Construction, Inc. is structured as a small business under the 2L entity classification and is not certified under any federal small business programs, including 8(a), HUBZone, or WOSB. Based in Cascade, Maryland, the firm maintains a regional footprint in the Mid-Atlantic, positioning itself to support state and local infrastructure contracts requiring local labor and logistical responsiveness. Without certifications or visible past performance, the company’s competitiveness relies on operational efficiency, workforce experience, and compliance with procurement specifications.

Key Performance Metrics

Awards Count

75

All time

Active

0

Currently performing

Completed

75

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 Over Time
Awards by Place of Performance

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NAICS: 238220
New
Roswell JCC – Male Dormitory Bldg. Water Source Heat Pump Replacement (20 units)
Solicitation # roswell-jcc-male-dormitory-bldg-water-source-heat-pump-replacement-20-units
The Career Systems Development Corporation is soliciting proposals for the total replacement of twenty ceiling-mounted water source heat pumps at the Roswell Job Corps Center Male Dormitory Building 558 in New Mexico. The scope of work involves the removal and off-site disposal of twenty failed units and the installation of new Bosch 1-ton units or an equivalent model. Additionally, the contractor must install smoke dampers with fusible links in all vents leading into the plenum and ensure all installed plenum materials are plenum rated. All work must comply with NFPA 101, NFPA 70, and applicable plumbing, mechanical, and building codes. This solicitation is set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certified firms. The project is subject to the Davis Bacon Act Wage Determination NM20260014, requiring the submission and approval of weekly certified payroll reports prior to invoice payment. Proposals exceeding 100,000 dollars require 100 percent payment and performance bonding upon award. Submissions must include a safe work process, detailed material and labor costs, total project cost, equipment cut sheets, warranty information, and a proposed payment schedule. Final deliverables include the operation manuals provided to the Facility Manager upon completion.
Career Systems Development Corporation

POSTED

11 minutes ago

DEADLINE

in 8 days
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NAICS: 236220
New
SLED
Building 262 Renovations FLETC Glynco
Solicitation # 70LGLY27RSSB00001
The Building 262 Renovation project at the Federal Law Enforcement Training Center in Glynco, Georgia, is a single firm fixed price contract for the comprehensive interior modernization of Building 262 and associated buildings 261 and 263. The scope of work includes replacing corridor and classroom flooring with composite modular materials, fully renovating restrooms with new vanities and lavatories, and updating interior surfaces through repainting and the removal of vinyl wall coverings. Technical upgrades involve installing raised flooring and electrical distribution to support classroom needs, implementing simple dimming controls, replacing lamps, ballasts, and ceiling fans, and replacing variable air volume systems and lighting controls. The project also requires the installation of new signage and the correction of plumbing deficiencies. The period of performance is scheduled from January 11, 2027, to March 11, 2028, with a total delivery timeline of 425 calendar days after the Notice to Proceed. Award will be determined using a best suited negotiate methodology, with price, past performance, and corporate relevant experience weighted with equal importance. Offerors must provide performance and payment bonds equal to 100 percent of the contract price and adhere to strict material handling and labeling standards, particularly for wood products and electrical wiring. Compliance with the Americans with Disabilities Act, Buy American requirements, and prevailing wage rates for Glynn, Brantley, and McIntosh counties is mandatory. Proposals must be submitted electronically in separate price and technical volumes to the Contracting Officer by the specified deadline.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 11 days
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NAICS: 236220
New
SLED
Repair Auto Maintenance Bldg 575
Solicitation # N40085-27-R-9000
Solicitation N40085-27-R-9000 is a fixed-price construction project for the repair and modernization of the Auto Maintenance Facility, Building 575, at Marine Corps Base Camp Lejeune, North Carolina. The comprehensive scope of work includes selective demolition, building envelope and roofing repairs, interior reconfiguration, and the installation of new finishes. Technical upgrades encompass new HVAC systems, exhaust extraction, compressed air systems, a full NFPA-compliant fire suppression system, updated electrical distribution, lighting, low-voltage systems, and building automation controls. Additionally, the project requires hazardous materials abatement and site improvements, including paving, drainage upgrades, and repairs to water, sanitary, and storm systems. The estimated contract value ranges between 10 million and 25 million dollars, with a performance period of 730 days after award. The award will be based on the lowest price, with evaluation factors including compliance with the Buy American Act. Bidders must provide pricing for two specific exhibit line items: building renovation and paving removal and replacement. Bonding requirements are tiered, with proposals of 150,000 dollars or more requiring bid, payment, and performance bonds. The project is subject to the Davis-Bacon Act and requires adherence to ADA accessibility guidelines and specific cybersecurity standards for facility-related control systems. Quality assurance is managed through a multi-stage inspection process involving punch-out, pre-final, and final acceptance inspections. Monthly invoicing must be submitted via Wide Area Work Flow with required NAVFAC certifications and supporting documentation.
Bristol Alliance of Companies

POSTED

about 7 hours ago

DEADLINE

in 25 days
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NAICS: 237110
New
26350 Lynchburg, VA - CSO 70 Sewer Improvements
Solicitation # 2027-027
Cleary Construction is soliciting quotations from certified Disadvantaged Business Enterprises (DBEs) for the City of Lynchburg CSO 70 Sewer Improvements project in Virginia, identified by solicitation number 2027-027. This opportunity is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested firms must submit their responses by the deadline of December 4, 2026. The scope of work involves comprehensive sewer installation and site development, including the open cut installation of PVC pipes ranging from 6 to 30 inches and Ductile Iron Pipe from 18 to 24 inches. Key structural requirements include the installation of standard and doghouse manholes, interior drop assemblies, and a CSO regulator fit out. Specialized tasks include 24-inch DIP trenchless crossings with associated launch and receiving shafts, as well as the abandonment of existing pipes and manholes. Site work entails clearing and grubbing of 5,130 square yards of wooded areas, seeding, fine grading, and the implementation and maintenance of a Stormwater Pollution Prevention Plan (SWPPP). Critical project deliverables include the maintenance of flows and bypass for all pipes and manholes to ensure operational continuity, along with geotechnical instrumentation and monitoring. Additionally, the project requires specific railroad insurance. The bid schedule outlines various general and contingent items, including mobilization and extra depth excavation, though the total estimated contract value is not specified.
Cleary Construction, Inc.

POSTED

about 7 hours ago

DEADLINE

in about 1 month
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NAICS: 237110
New
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 new 20-inch ductile iron force main and extensive 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 final deliverables comprise a fully operational pumping station featuring mechanical and electrical systems, a generator, odor control equipment, and new gravity sewer connections. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on responsiveness regarding the submission of MWBE documents, including the Good Faith Efforts Form and Table A. Performance is governed by EJCDC standard forms, including the C-700 General Conditions and C-800 Supplementary Conditions. The contractor is required to provide performance and payment bonds, as well as proof of insurance. Project timelines are triggered by a Notice to Proceed, and failure to achieve substantial completion will result in liquidated damages of 1,000 dollars per day. Payment is processed via applications for payment submitted to the Engineer, with terms due thirty days after presentation to the owner.
Don Moorhead Construction, Inc.

POSTED

about 7 hours ago

DEADLINE

in 11 days
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NAICS: 811310
New
Kubota M8200 Clutch Replacement
Solicitation # kubota-m8200-clutch-replacement
Management and Training Corporation is soliciting lump sum fee proposals for the clutch replacement of a Kubota M8200 tractor with front wheel assist, located at the Earle C. Clements Job Corps Center in Morganfield, Kentucky. The scope of work requires a qualified contractor to provide all transportation, labor, materials, and equipment to diagnose and repair the clutch assembly and power take-off system. Key technical requirements include replacing friction discs, bearings, oil seals, and O-rings, resurfacing the flywheel, and replacing hydraulic pipes and filters as needed. The contractor must perform all work according to manufacturer specifications and provide a final summary of diagnostic findings, an itemized list of replaced parts, and warranty documentation upon completion. This solicitation is set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certified entities. Bids must be submitted via email to Angie Mahoney by 3:00 PM CST on November 3, 2026, and must include a bid sheet, proof of insurance, a completed supplier packet with a W-9, and applicable SBA certification letters. Award decisions will be based on best value, with a focus on administrative compliance and technical qualifications. The contract is subject to various Federal Acquisition Regulations, including standards for combating trafficking in persons, Buy American restrictions, and Service Contract Labor Standards per Wage Determination 2015-4687 Revision 31 for Kentucky.
Earle C. Clements Job Corps Center

POSTED

about 7 hours ago

DEADLINE

in 5 days
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NAICS: 238220
New
CBP#9772 HVAC Air Handling Unit (AHU) and Ductwork Cleaning Services
Solicitation # CBP#9772
Management & Training Corporation (MTC) is soliciting bids for solicitation CBP#9772 to provide HVAC Air Handling Unit (AHU) and ductwork cleaning services at the Edison Job Corps Center in Edison, New Jersey. This fixed-price, single lump sum subcontracting opportunity has an estimated value between $100,000 and $250,000. The scope of work requires the thorough cleaning of twelve AHUs and associated coils and ductwork across the Kilmer and Edison Dormitories. Key deliverables include pre-cleaning inspections documented with photographs, the installation of permanent corrosion-resistant access panels, and a final project report. The contractor must complete all work within 90 consecutive business days following a written Notice to Proceed. Bids are due by November 17, 2026, and will be awarded based on overall best value. A mandatory physical site visit and signature on the attendance roster are required prior to bid submission. For bids equal to or greater than $25,000, a bid bond of 20% of the base bid is required, and the awarded contractor must provide performance and payment bonds from a surety company with at least an A- rating. The project is set aside for small businesses, including VOSB, SDVOSB, WOSB, and HUBZone certifications. Compliance with Davis-Bacon prevailing wage determinations for Middlesex County and various FAR clauses regarding security, privacy, and the Buy American Act is mandatory. Final acceptance is contingent upon a written confirmation from the Center following a successful inspection of the operational status of the equipment and the restoration of work areas.
Edison Job Corps

POSTED

about 7 hours ago

DEADLINE

in 19 days
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NAICS: 238220
New
WOJC - Multi-Building Plumbing Leak Repair Project
Solicitation # WOJC – Multi-Building Plumbing Leak Repair Project
Education and Training Resources is seeking quotes for a subcontracting opportunity to perform multi-building plumbing leak repairs at the Westover Job Corps Center in Chicopee, Massachusetts. The scope of work includes replacing leaking shower P-trap drain pipes in Harris Hall dormitory (Rooms 123 and 213), repairing a cracked drain pipe in the pipe chase of Room 216, and replacing heat pipe sections in both the Administration Building and King Hall. All work must comply with the Massachusetts State Plumbing Code, International Plumbing Code, and OSHA safety standards, including lock-out/tag-out procedures. Contractors are responsible for providing all new commercial-quality materials and must repair any facility damage caused during performance at no additional cost. Bids are due by October 30, 2026, and must include a detailed cost breakdown on a Bid Sheet, a proposed service schedule, and proof of required Massachusetts licensing. Evaluation is based on cost, qualifications, and administrative compliance, with ETR serving as the sole judge for the award. Mandatory submission requirements include a SAM.gov UEI number, active registration, W-9, business licenses, and certificates of liability insurance. Depending on the project value, payment and performance bonds may be required for contracts exceeding 35,000 dollars. The project is subject to federal regulations, including the Davis-Bacon Act and Service Contract Act, requiring the submission of weekly certified payroll reports.
Westover Job Corps Center

POSTED

about 7 hours ago

DEADLINE

in about 11 hours
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