The L.S. Starrett Company - Tru-Stone Technologies Division

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The L.S. Starrett Company – Tru‑Stone Technologies Division manufactures precision granite surface plates and OEM machine bases up to 55 inches, fabricated to individual customer specifications. The product line includes plates in charcoal, black, grey and pink granites, complemented by a comprehensive selection of accessories. Each item undergoes verification with auto collimators and electronic levels to ensure laboratory‑grade accuracy. All offerings meet or exceed the GGG‑P‑463C standard, are certified to ISO 9002, and hold A2LA accreditation.

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