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White Stone Leak Detection & Cryogenic Services LLC 3120 Woodcutter Rd. ROCK HILL SC 29732 USA

UEI: SLED_9EC0B17F2677045B

White Stone Leak Detection & Cryogenic Services LLC 3120 Woodcutter Rd. ROCK HILL SC 29732 USA is a federal contractor, registered under UEI SLED_9EC0B17F2677045B. It has been awarded $120,260 in federal contracts. Primary work spans Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. Top awarding agencies include Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

SLED_9EC0B17F2677045B

Federal Contracting Overview

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

AI Capability Profile

White Stone Leak Detection & Cryogenic Services LLC provides specialized technical services to the Department of Defense. The company operates within the commercial and industrial machinery and equipment repair and maintenance sector, as indicated by its primary NAICS classification. Based in Rock...

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 Defense$120.3K100%

Awards by NAICS

811310 - Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$120.3K100%

Awards by Agency Over Time

Awards by Place of Performance

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Open opportunities in White Stone Leak Detection & Cryogenic Services LLC 3120 Woodcutter Rd. ROCK HILL SC 29732 USA's top NAICS codes and agencies

MIL-STD-1330 Oxygen Cleaning ServiceThis subcontract involves providing specialized oxygen cleaning services for ball valves intended for prime contractors supporting DLA Distribution San Joaquin. The scope of work requires the cleaning and drying of valves in strict accordance with MIL-STD-1330, utilizing specialized degreasing agents and facilities to eliminate all organic contaminants. This process is critical to ensure the valves are safe for oxygen service and to prevent ignition in oxygen-rich environments. The project is managed under the Department of Defense for DLA Distribution San Joaquin, with the place of performance located in Tracy, California. The service provider is responsible for delivering certified oxygen-cleaned ball valves that meet all safety and cleanliness specifications. The opportunity is categorized under NAICS code 811310.

DLA DIST SAN JOAQUIN

POSTED

about 15 hours ago

DEADLINE

Commercial Kitchen Equipment MaintenanceThis subcontract for Commercial Kitchen Equipment Maintenance involves providing preventative maintenance and emergency repairs for school catering projects under The Mead Educational Trust. The scope of work covers 16 schools and includes scheduled inspections and repairs for dishwashers, refrigeration units, and ovens using specialized diagnostic tools. The service provider is required to maintain Gas Safe registration and electrical safety certifications, specifically PAT testing. Key deliverables include the continued operational status of kitchen equipment and the provision of detailed maintenance logs.

The Mead Educational Trust

POSTED

about 16 hours ago

DEADLINE

CNC Lathe Installation and CommissioningThis subcontract for CNC Lathe Installation and Commissioning involves the physical installation, leveling, electrical connection, and initial calibration of an Okuma lathe for prime contractors on Montana State University projects. The scope of work includes leveling the machine bed, connecting power and air supplies, performing initial test cuts, and verifying all specifications against manufacturer standards using precision electrical testing and leveling tools. The project requires the use of certified CNC technicians to ensure the delivery of a fully commissioned and operational lathe. Interested parties should note the response deadline of October 30, 2026, and the classification under NAICS code 811310.

POSTED

about 17 hours ago

DEADLINE

Commercial Laundry Maintenance & Repair (Field Services)This subcontract agreement involves providing comprehensive preventive maintenance and emergency repair services for commercial laundry equipment supporting prime contractors on Windsor Essex Community Housing Corporation projects. The scope of work includes performing regularly scheduled maintenance, responding to 24-hour emergency service calls, and replacing faulty components to ensure maximum equipment uptime. The service provider is required to maintain strict compliance with CSA, ULC, ESA, and TSSA regulations and must provide detailed repair logs upon completion of work. Interested parties must submit their responses by November 4, 2026, for this field services opportunity categorized under NAICS code 811310.

Windsor Essex Community Housing Corporation

POSTED

about 18 hours ago

DEADLINE

Generator Load Bank Testing and CertificationThis subcontract opportunity, titled Generator Load Bank Testing and Certification, is issued by the Department of Homeland Security's Incident Support Section for FEMA projects based in Washington. The selected contractor will be responsible for verifying generator capacity and performance by deploying portable load banks and fuel handling equipment. The scope of work involves executing tests at various load percentages and durations to measure and record critical performance metrics, ultimately delivering comprehensive test reports and performance certifications. This is a total Small Business Set Aside under NAICS code 811310. Qualified candidates must possess high-capacity load testing experience and valid OSHA safety credentials to ensure compliance and operational safety. The solicitation was posted on October 15, 2026, with a response deadline of November 5, 2026.

Incident Support SECTION(ISS70)

POSTED

about 20 hours ago

DEADLINE

Regional Generator Preventive and Corrective MaintenanceThis small business set-aside subcontract, managed by the Department of Homeland Security's Incident Support Section, involves providing comprehensive on-site maintenance for standby generator fleets supporting FEMA projects in Washington. The scope of work includes performing routine preventive maintenance, corrective repairs, and emergency services. Specialized technical requirements include executing regeneration cycles for Tier 4 Final engines and troubleshooting Diesel Exhaust Fluid systems, with a final deliverable of fully operational units and detailed maintenance logs. To qualify for this engagement, contractors must possess specific technical capabilities, including the use of diagnostic software and electronic service tools. Personnel are required to hold EGSA certifications and have completed OEM-specific training to ensure all equipment is serviced to industry standards. Interested parties must submit their responses by November 5, 2026, under NAICS code 811310.

Incident Support SECTION(ISS70)

POSTED

about 20 hours ago

DEADLINE

Request for Information (RFI) - OCONUS Generator Maintenance

Solicitation # 70FB70OCONUSGeneratorMaintenance

The Department of Homeland Security, Federal Emergency Management Agency (FEMA), Logistics Management Directorate, is conducting market research via a Request for Information (RFI) to identify capable contractors for on-site generator maintenance and testing services at five distinct operation locations across four Outside Continental United States (OCONUS) regions. These locations include the Caribbean (Caguas and Coto Laurel, Puerto Rico), Hawaii (Aiea and Wahiawa), and Guam (Barragada). The anticipated scope of work encompasses preventive and corrective maintenance, testing, and general generator support, requiring the provision of key personnel, technician labor, specialized tooling, diagnostic instruments, vehicles, materials, and consumables. The government is specifically interested in personnel qualifications such as EGSA certifications, OSHA safety credentials, and OEM training, as well as the contractor's ability to scale operations to accommodate a 15% to 30% change in active generator inventory. This effort is classified under NAICS code 811310 and Product Service Code J061. The anticipated period of performance is set to begin on June 30, 2027, with the final acquisition strategy to be determined based on the results of this market research. Interested respondents must submit a capability statement of no more than two pages and responses to specific RFI questions within a ten-page limit to the designated contracting officer and specialist by November 5, 2026. As this is an RFI for information gathering purposes per FAR 15.101(c), submissions are not formal offers and do not constitute a binding contract or a commitment of funds by the government.

Incident Support SECTION(ISS70)

POSTED

about 20 hours ago

DEADLINE

J079--PM&R Svc for Floor Cleaning Equipment

Solicitation # 36C26226Q1421

Solicitation 36C26226Q1421 is a total set-aside for Service-Disabled Veteran-Owned Small Businesses (SDVOSB) issued by the Department of Veterans Affairs, Network Contract Office 22. The contract seeks commercial preventative maintenance and repair services for floor cleaning equipment, including scrubbers, burnishers, vacuums, and polishers, at the Cart T. Hayden Medical Center in Phoenix, Arizona. The scope of work requires the use of OEM parts and OEM-trained certified technicians to perform quarterly comprehensive maintenance and as-needed repairs, as well as the provision of online services for service calls and parts ordering. The base period of performance is scheduled from January 1, 2027, to December 31, 2027, with potential options extending through 2031 and a possible six-month extension of services. Award will be based on the most advantageous offer using a comparative evaluation method that considers both price and technical approach, specifically excluding Lowest Price Technically Acceptable procedures. Technical evaluations will focus on the offeror's approach to the statement of work and their past three years of relevant experience. Proposals must be submitted in separate redacted and unredacted PDF versions, accompanied by a separate price schedule and mandatory administrative certifications, including SAM registration and VA-specific forms.

262-NETWORK Contract Office 22 (36C262)

POSTED

about 20 hours ago

DEADLINE

Fuel Tank Inspection

Solicitation # W90VN626QA018

Solicitation W90VN626QA018 is a Request for Quotations for a Firm-Fixed-Price commercial services contract to provide fuel tank inspection, testing, and maintenance at Osan Air Base, Republic of Korea. The scope of work includes monthly and annual inspections of 369 active tanks across various size bands, emergency service calls, and repair services. The period of performance consists of a base year from January 1 to December 31, 2027, with four subsequent option years extending through December 31, 2031. This requirement is funded by the Republic of Korea Ministry of National Defense, and the U.S. Government incurs no financial liability. The award will be based on best value using a comparative evaluation process. Key evaluation factors include a practical mock inspection to determine methodology confidence, a staffing plan, a quality control plan, past performance from the last five years, and price, which must be submitted in Korean Won. Technical requirements mandate a two-tier workforce consisting of a Delegated Inspector for monthly tasks and an STI SP001 Certified Inspector for annual and formal inspections, with API 653 certification required for field-erected tanks. Offerors must provide specific ROK business registration certificates and a tax exemption declaration. Per Amendment 0002, the response deadline has been extended to October 16, 2026, at 1300 hours.

0906 Aq Co Contracting Bat

POSTED

about 20 hours ago

DEADLINE

Combined Synopsis/Solicitation Notice: Maintenance of Commissary Refrigeration Systems and Repair of Refrigeration, Heating, Ventilation, and Air Conditioning Systems (HVAC) at Hario and Sasebo, Japan

Solicitation # W912HV26QA013

Solicitation W912HV26QA013 is a combined synopsis and request for quote issued by the USACE Japan District for a firm-fixed-price contract to provide maintenance and repair services for commissary refrigeration, Refrigeration Monitoring and Control Systems (RMCS), and HVAC systems at Hario and Sasebo, Japan. The scope of work includes monthly preventive maintenance and 24/7 emergency response capabilities, requiring a two-hour response time and repair completion within 24 hours. The contract structure consists of a base period from December 1, 2026, through November 30, 2027, with four subsequent option years. Pricing must be quoted in Japanese Yen, and the contract includes a reimbursable item limit of 3,000,000 JPY for unforeseen repairs, while individual parts exceeding 500,000 JPY require prior written approval from the Contracting Officer. Award will be based on the most advantageous quotation, evaluated sequentially across three factors: Past Performance, Technical Capability, and Price. Technical Capability is weighted more heavily than Price and includes assessments of emergency response, personnel qualifications, and environmental compliance. Offerors must submit quotations electronically via the PIEE Solicitation Module. Key requirements include the submission of an organizational chart and qualifications for key personnel within 14 days of award, strict adherence to base access and security protocols for Navy installations, and compliance with various FAR and DFARS clauses, including the Defense Base Act for workers compensation.

W2SN Endist Japan

POSTED

about 20 hours ago

DEADLINE

Keysight Care Enhanced Renewal

Solicitation # N6893627Q0012

The Naval Air Warfare Center, Weapons Division, located in China Lake, California, is seeking quotes under solicitation N6893627Q0012 for KeysightCare Enhanced Renewals for various test equipment. The procurement is intended as a manufacture sole source to Keysight Technologies Inc, though it remains open to authorized distributors. The scope of work includes KeysightCare Assured Services, return to Keysight extended warranties, and calibration services for hardware such as UXG Agile Vector Adapters, UXG Agile Signal Generators, UXA Signal Analyzers, and Infiniium S series oscilloscopes. The general period of performance for these renewals is from March 1, 2026, to February 28, 2027, with a delivery window between November 1, 2026, and February 28, 2027. Award will be granted to the responsible offeror whose proposal is most advantageous to the government, considering both price and other factors. Critical requirements for eligibility include an active SAM registration, current CMMC registration within the PIEE/SPRS portal, and certification through Defense Logistics Information Services for access to controlled unclassified information. The contract utilizes Wide Area WorkFlow for invoicing and payment and requires adherence to strict item unique identification and marking standards per MIL-STD-130 and MIL-STD-129 for items with a unit acquisition cost of 5,000 dollars or more. All shipments are FOB Destination to the Naval Air Warfare Center in China Lake.

Naval Air Warfare Center

POSTED

about 20 hours ago

DEADLINE

F109--Boot Repair for Underground Fuel Tank in Support of the Fargo VA Healthcare System, Fargo ND

Solicitation # 36C26327Q0058

The Department of Veterans Affairs, Network Contracting Office 23, is conducting a sources sought research effort for the replacement of entry boots on underground storage tank 6, a 1,000-gallon fiberglass diesel tank located at the Fargo VA Health Care System in Fargo, North Dakota. The project requires a qualified contractor to provide all labor, materials, and equipment to remove deteriorated boots and install manufacturer-approved replacements to enable successful sump integrity testing. The scope includes hydrostatic integrity testing in accordance with North Dakota Department of Environmental Quality and EPA standards, the submission of a certified final repair report, and a one-year warranty on all parts and labor. All work must be performed between 8:00 am and 4:00 pm, Monday through Friday, with a total period of performance of 90 days from the notice to proceed and a target completion date of November 13, 2026. This is currently a Request for Information and not a formal solicitation. Interested vendors under NAICS code 811310 must submit their responses to Joseph Bennett via email by 5:00 PM CT on Thursday, October 22, 2026, ensuring the subject line includes RFI number 36C26327Q0058. Submissions must include company contact details, business size status, a capabilities statement, proof of insurance, relevant training documentation, and references from recent tank projects. Additionally, vendors must verify their UST contractor credentials in North Dakota. All shipping must be F.O.B. destination with costs included in the product price, and any additional repairs discovered during the project require written approval from the Contracting Officer to be eligible for payment.

Network Contract Office 23 (36C263)

POSTED

about 20 hours ago

DEADLINE

J012--FY 27 Fire Suppression Testing

Solicitation # 36C24827Q0038

The Department of Veterans Affairs is soliciting a firm-fixed-price contract for annual and semi-annual inspections and testing of water-based fire suppression systems at the Malcom Randall VA Medical Center in Gainesville, Florida. The scope of work covers five buildings, including the Main Building, Fisher House, Bed Tower, and CLC Building 11, as well as eleven trailers. Required services include semi-annual inspections of flows and tampers, and annual inspections of the fire pump under flow, ten fire hydrants, the Main Building sprinkler system main drain, and all fire alarm devices. All work must be performed by NFPA-25 certified inspectors who also possess a current OSHA 10-hour safety certification. This procurement is a total set-aside for certified Service-Disabled Veteran-Owned Small Businesses (SDVOSB). The contract structure consists of a base period from November 2, 2026, to November 1, 2027, with four subsequent option years, not to exceed a total duration of five years. Award will be based on the best value, with technical capability and delivery schedules weighted significantly more than price. Quotations must include a proposed service approach and a statement of ability to meet the delivery schedule. Invoices are to be submitted electronically upon completion of testing and VA acceptance.

248-NETWORK Contract Office 8 (36C248)

POSTED

about 20 hours ago

DEADLINE

H342--CTX Annual Fire Extinguisher Inspection

Solicitation # 36C25727Q0014

Solicitation 36C25727Q0014 is a request for quotations issued by the Department of Veterans Affairs, Network Contracting Office 17, for annual and periodic maintenance of fire extinguishers at CTVHCS facilities in Temple, Waco, and Austin, Texas. The scope of work includes annual, 5-year, 6-year, 10-year, and 12-year maintenance for various extinguisher types, including stored pressure chemical, carbon dioxide, water, water mist, and wet chemical units. All work must be performed in accordance with NFPA 10 standards by NFPA-10 certified technicians who also hold DOT or manufacturer hydrostatic test certifications. The contract is structured as a base period plus four option periods, with all initial work required to be completed within 60 calendar days of award. This procurement is a total set-aside for certified Service-Disabled Veteran-Owned Small Businesses (SDVOSB), and subcontracting of the primary services is strictly prohibited. Award will be based on a competitive best value selection using comparative analysis of technical capability, past performance within the last five years, and price reasonableness. Offerors must submit a signed SF 1449, a completed price schedule, a capability statement, and past performance references to the contracting specialist by October 22, 2026. Key administrative requirements include electronic invoicing in arrears and the provision of operational replacement extinguishers for any units removed for off-site servicing.

257-NETWORK Contract Office 17 (36C257)

POSTED

about 20 hours ago

DEADLINE

Aviation Support Equipment Load Testing

Solicitation # F2MT2M6146AQ01

This Sources Sought Notice, solicitation number F2MT2M6146AQ01, is a market research effort to identify qualified sources capable of providing aviation support equipment load testing and maintenance for the 433rd MXS/AMXS at Joint Base San Antonio-Lackland, Texas. The scope of work involves non-personal services including annual preventive maintenance inspections, load tests, certification, and both scheduled and unscheduled repairs to ensure the safe operation of aircraft support equipment. All services must adhere to OSHA Standards 1910 and 1926, ANSI Standards B30.16 and B30-5, and applicable Air Force Instructions and Technical Orders. Key deliverables include an initial annual preventive maintenance schedule, certification reports due within two workdays of completion, and repair estimates provided within 48 hours of an initial survey. Performance requirements specify that standard preventive maintenance must be completed and equipment returned within 48 hours of pickup, while approved repairs must be returned within three business days. Interested vendors must submit their response, including company details, CAGE code, and a statement of capability with product literature, to Dalwyn Corporan-Polanco by 10:00 AM CDT on October 20, 2026. This notice is for research purposes only and does not constitute a solicitation or a promise to issue one.

FA3016 502 Cons Cl

POSTED

about 20 hours ago

DEADLINE

Request for Information (RFI) - CONUS Generator Maintenance

Solicitation # 70FB70CONUSGeneratorMaintenance

The Department of Homeland Security, through the Federal Emergency Management Agency (FEMA) Logistics Management Directorate, is conducting market research via a Request for Information (RFI) to identify capable contractors for on-site generator maintenance and testing services. The anticipated requirement focuses on four Continental United States (CONUS) locations: Atlanta, Georgia; Fort Worth, Texas; Greencastle, Pennsylvania; and Tracy, California. The scope of work includes preventive and corrective maintenance, emergency repairs, and load bank testing, with a specific emphasis on complex systems such as Tier 4 Final engines, DEF systems, automatic transfer switches, and parallel switching gear. The government is seeking information on required personnel qualifications, such as EGSA certifications and OSHA safety credentials, as well as recommendations for the most equitable contract type and pricing structure. This opportunity is designated as a Total Small Business Set-Aside under NAICS code 811310 and Product Service Code J061. The anticipated period of performance is set to begin on June 30, 2027, though the final acquisition strategy remains to be determined based on the results of this market research. Interested respondents must submit their capabilities and responses to RFI questions by November 5, 2026, adhering to strict formatting guidelines, including a ten-page limit for responses and a two-page limit for capability statements. All submissions should be directed to Contracting Officer Oneko Dunbar and Contract Specialist Marcia Irizarry-Snyder.

Incident Support SECTION(ISS70)

POSTED

about 20 hours ago

DEADLINE

Cold Spray Service at Letterkenny Army Depot

Solicitation # W911N227QA003

W6QK Lad Contr Office

POSTED

about 20 hours ago

DEADLINE

Preventative Maintenance (PM), Calibration, and non-emergency repairs on the Tension & Compression machine at Letterkenny Army Depot.

Solicitation # W911N227QA002

W6QK Lad Contr Office

POSTED

about 20 hours ago

DEADLINE