Known for the Jones & Lamson name, J&L Metrology is a privately owned Springfield, Vermont, manufacturer of precision optical comparators. The company traces its roots through 165 years of precision manufacturing and says its original optical comparator was invented in 1919. J&L continues to build instruments in the USA while keeping older machines in service through factory support.
NIST-traceable Calibration
The L.S. Starrett CompanySince its founding in 1880, The L.S. Starrett Company has remained an American toolmaker headquartered in Athol, Massachusetts. Best known in the United States for precision measurement, Starrett now operates eight manufacturing locations worldwide and supplies manufacturers with the tools and systems they use to check product quality.ALUM BANK, PA
VolpiFor more than 70 years, Volpi has been known for precision measurement systems built around light, with more than 100 employees serving diagnostic and research instrument makers from sites in Switzerland and the United States. The company carries projects from early optical design through ISO 13485-certified manufacturing, helping turn demanding laboratory measurements into dependable instrument results.AUBURN, NY
Dorsey Metrology InternationalFounded as The Dorsey Gage Company in 1955, Dorsey Metrology International is a third-generation, women-owned Poughkeepsie manufacturer of precision inspection gages, dimensional measurement instruments and optical comparators. The company is particularly known for solving large-component measurement problems and for designing custom gages rather than forcing applications into a one-size-fits-all approach. Its calibration laboratory is accredited by A2LA to ISO 17025, and Dorsey continues to build its products in the United States while supporting repair and contract manufacturing work.POUGHKEEPSIE, NY
OGP (Optical Gaging Products)From its Rochester, New York, manufacturing campus, OGP (Optical Gaging Products) makes precision multisensor metrology systems that help manufacturers verify dimensional compliance. Founded in 1945, the company pioneered integrated vision, touch-probe, and laser measurement and introduced its SmartScope family in 1991. OGP is a division of Quality Vision International, whose North American operations are ISO 9001:2015 registered, while OGP Services maintains ISO 17025 accreditation for calibration and testing.ROCHESTER, NY