Laroy S. Starrett

The L. S. Starrett Company is an American manufacturer of tools and instruments used by machinists, tool and die makers, and the construction industry. It claims to produce 5,000 variations of precision tools, gauges, measuring instruments and saw blades as of 2025.

The company was founded by businessman and inventor Laroy Sunderland Starrett in 1880. The company patented such items as the sliding combination square, bench vises, and a shoe hook fastener. It makes precision steel rules and tapes, calipers, micrometers, and dial indicators, among others. In addition, Starrett manufacturers a wide variety of saw products including bandsaws, hole saws, jigsaws, amongst other power tool accessories and cutting tools. More recently, they have expanded their high-end metrology equipment including optical comparators, vision systems, laser measurement, force and material measurement testing.

Starrett employed about 2,000 people worldwide as of 2008. Manufacturing takes place at facilities in the People's Republic of China, Brazil, Germany, and the UK, with 28% of Starrett's worldwide sales being in Brazil in 2013.