LS Starrett Co
Doing business as Tru-Stone Technologies Tru-Stone Technologies Division Starrett Part of L.s. Starrett Company (The)
- UEI
- W1HWNWR4SM35
- CAGE
- 5N6V3
- Primary NAICS
- 327991 Cut Stone and Stone Product Manufacturing
- SAM.gov registration
- Expired
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
- Corporate family
-
-
L.s. Starrett Company (The)
Parent
GL11VKK8MDH3
- LS Starrett Co W1HWNWR4SM35
-
L.s. Starrett Company (The)
Parent
GL11VKK8MDH3
- SAM.gov registration date
- Website
- tru-stone.com
- Founded
- 1960
- Employees
- 11-50
- Estimated annual revenue
- $250M-$500M
- Industry
-
- Industrials
- Capital Goods
- Industrial Conglomerates
- Industrials & Manufacturing
- SIC code
- 35 Industrial Machinery & Equipment
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Calibration of surface plates | Naval Sea Systems Command | $5,483 | |
| Calibration of 4 granite surface plates | Naval Sea Systems Command | $1,621 | |
| Calibration of granite surface plates | Naval Sea Systems Command | $810 | |
| Pmel surface plate | RCO Osan 411th CSB | $17,702 | |
| Calibration services | Naval Sea Systems Command | $1,993 |
About LS Starrett Co
LS Starrett Co, operating through its Tru-Stone Technologies Division, is a precision manufacturing company specializing in high-quality measurement and surface plate technologies. The company, a child entity of The L.S. Starrett Company, is registered in SAM.gov and primarily functions as a for-profit manufacturer of goods with expertise in precision tools, gages, and measuring instruments. Founded as a manufacturer of precision measurement equipment, LS Starrett Co has established a robust reputation in producing specialized industrial components that meet rigorous federal agency specifications.
The company has secured multiple federal contract awards primarily from the Department of Defense, specifically the Naval Sea Systems Command (NAVSEA) and Pacific Air Forces, totaling approximately $30,341.04 in contract value between 2020 and 2025. These contracts have consistently focused on calibration services, surface plate manufacturing, and precision measurement equipment procurement. Specific contract deliverables have included custom surface plates, calibration of granite surface plates, PMEL (Precision Measurement Equipment Laboratory) surface plates, and specialized gaging services. The contracts have been predominantly standard purchase orders with no specific set-aside designations, awarded on a firm-fixed price basis. Additionally, LS Starrett Co has performed subcontract work with prime contractors like KBR Wyle Services, LLC and Aerojet Rocketdyne Of DE, Inc., supporting materials and specialized gage manufacturing for complex federal projects, with contract completion dates ranging from 2020 to 2025.
Quick answers
What is LS Starrett Co's UEI?
LS Starrett Co's Unique Entity ID (UEI) in SAM.gov is W1HWNWR4SM35.
What is LS Starrett Co's CAGE code?
LS Starrett Co's CAGE code is 5N6V3.
What is LS Starrett Co's primary NAICS code?
LS Starrett Co's primary NAICS code is 327991 (Cut Stone and Stone Product Manufacturing).
Is LS Starrett Co registered in SAM.gov?
LS Starrett Co's SAM.gov registration expired on May 22, 2026.
Who is LS Starrett Co's parent company?
LS Starrett Co is part of L.s. Starrett Company (The).
What is LS Starrett Co's most recent federal award?
LS Starrett Co's most recent federal contract award is Calibration of surface plates (N4215825PN027), from Naval Sea Systems Command, on February 25, 2025.
On GovTribe
See LS Starrett Co's full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors