Founded in 1987 by Kam Lau, Automated Precision Inc. (API) is the inventor and original patent holder on the first laser tracker systems. APIdevelops and manufactures laser trackers; portable coordinate measuring machines (CMMs); laser tracker accessories, which include probes, sensors, targets, cameras, SMRs, and scale bars; and machine tool calibration products. API Technical Services include contract measurement equipment rental, onsite laser tracker calibrations, machine tool error mapping, machine tool alignment, and training for 3-D measurement systems and analysis software. With its world headquarters in Rockville, Maryland, API has offices in China, Germany, and India.