Welcome

A & A Calibration, Inc. is a calibration laboratory located in southeastern Michigan. We provide quality calibration services to customers nationwide, specializing in precision gages such as gage blocks, ring gages, and plug gages. We also calibrate hand tools and a variety of other gages. 

Please browse our site for a brief history of our company, a list of services we offer, copies of our calibration scope and certificate of accreditation, and a means of contacting us.