Primary Instruments, Inc is a duly recognized and accredited third party metrology services provider located in Chatsworth, California.

Our core competencies in measurement disciplines provide fast, reliable, and competitively priced 3rd party calibration services to all major industries including Aerospace, Medical Device/Bio-Pharmaceutical, RF/Telecommunications, and Semiconductors.

Primary Instruments, Inc provides a broad base of measurement capabilities ranging from general purpose test equipment to the more specialized disciplines such as fiber optics, and primary/secondary standards calibration. Our qualified team of metrologists are highly skilled and experienced in providing technical expertise, in a focused delivery culture.