FedReady

White Stone Leak Detection and Cryogenic Services LLC

White Stone Leak Detection and Cryogenic Services LLC is a small business in Rock Hill, SC registered on SAM.gov to bid on federal contracts. It has won about $69,000 in federal prime contracts since fiscal year 2024, according to USAspending.gov.

UEI
NHM5L2B9N1J1
CAGE code
6HEK3
SAM.gov registration
Active
Open contracts in NAICS 811310Is this your business? Get matched free

Registration details

Legal business nameWhite Stone Leak Detection and Cryogenic Services LLC
Unique Entity ID (UEI)NHM5L2B9N1J1
CAGE code6HEK3
LocationRock Hill, SC
SAM.gov registrationActive through Mar 3, 2027
Business started2008
Primary NAICS code811310: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Websitewww.whitestonecryogenics.com

Certifications and business types

  • Veteran-owned (self-reported in SAM.gov)

SBA certifications let a business compete for set-aside contracts. See set-aside contracts explained.

Federal contract history

USAspending.gov shows no federal prime contracts for this UEI in the last five years. Many small businesses start as subcontractors to larger firms; see how to become a government subcontractor.

NAICS codes White Stone Leak Detection and Cryogenic Services LLC is small under

On its SAM.gov registration, White Stone Leak Detection and Cryogenic Services LLC meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.

  • 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
  • 237120 Oil and Gas Pipeline and Related Structures Construction
  • 326199 All Other Plastics Product Manufacturing
  • 327390 Other Concrete Product Manufacturing
  • 332420 Metal Tank (Heavy Gauge) Manufacturing
  • 332439 Other Metal Container Manufacturing
  • 333912 Air and Gas Compressor Manufacturing
  • 334519 Other Measuring and Controlling Device Manufacturing
  • 336212 Truck Trailer Manufacturing
  • 339113 Surgical Appliance and Supplies Manufacturing
  • 423510 Metal Service Centers and Other Metal Merchant Wholesalers
  • 541990 All Other Professional, Scientific, and Technical Services

Open contracts in White Stone Leak Detection and Cryogenic Services LLC's NAICS codes

172 open federal opportunities on SAM.gov use a NAICS code White Stone Leak Detection and Cryogenic Services LLC is small under. These are due soonest.

  • The U.S. Fish and Wildlife Service, Region 2 Heavy Equipment Maintenance and Re

    Department of the Interior · US Fish and Wildlife Service

    ✦ The U.S. Fish and Wildlife Service (Region 2) plans a 10-year multiple-award Blanket Purchase Agreement for heavy equipment maintenance and repair in Arizona, New Mexico,…

    Equipment repair & maintenance

    Due in 2 daysOct 12, 2026

  • John Deere 544E Forklift Repair Services

    Dept of Defense · Dept of the Navy · Niceville, FL

    Equipment repair & maintenanceSmall business

    Due in 2 daysOct 12, 2026

  • Notice of Intent to Sole Source – National Marrow Donor Program – service agreement

    Department of Health and Human Services · National Institutes of Health · Bethesda, MD

    ✦ The NIH Clinical Center in Bethesda, MD plans to buy unrelated donor search and stem cell transplant support services from the National Marrow Donor Program (NMDP) without…

    Consulting & professional services

    Due in 2 daysOct 12, 2026

  • Motor Rotor Assembly Repair

    Dept of Defense · Dept of the Navy · Kittery, ME

    Equipment repair & maintenance

    Due in 2 daysOct 12, 2026

  • PAN, DRIP

    General Services Administration · Federal Acquisition Service · Kansas City, MO

    Manufactured parts & equipmentSmall business

    Due in 2 daysOct 12, 2026

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Similar small businesses

Other small businesses with the same primary NAICS code (811310) that have won federal contracts, starting with South Carolina:

Frequently asked questions

What is White Stone Leak Detection and Cryogenic Services LLC's CAGE code?

White Stone Leak Detection and Cryogenic Services LLC's CAGE code is 6HEK3. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.

What is White Stone Leak Detection and Cryogenic Services LLC's UEI?

White Stone Leak Detection and Cryogenic Services LLC's Unique Entity ID (UEI) is NHM5L2B9N1J1. SAM.gov assigns the UEI, and it identifies the business across the federal government.

Is White Stone Leak Detection and Cryogenic Services LLC's SAM.gov registration active?

Yes, as of the latest SAM.gov public data, White Stone Leak Detection and Cryogenic Services LLC's registration is active through mar 3, 2027. Registrations are renewed every year.

Is White Stone Leak Detection and Cryogenic Services LLC a small business?

White Stone Leak Detection and Cryogenic Services LLC is registered on SAM.gov as small under 12 NAICS codes, including its primary code, 811310. Size is set per NAICS code, so a business can be small for some contracts and not others.

Keep going

Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.