Optical Comparator Calibration / Sales / Service / Parts

Established in 1984 by James D. Mattise, Sr., Unlimited Services, Inc. has provided exceptional calibration servicing of Optical Comparators of all makes and models. We continue to maintain the same quality of service as we have since our parents owned and operated the company sustaining the reputation we have built over 40 years. 

We continue to insure quality workmanship above and beyond our competitors providing a high level of service.  Unlimited Services, Inc. is accredited ISO/IEC 17025:2017. Our Accreditation through A2LA is the only independent, 501(c)3, non-profit, internationally-recognized accreditation body in the United States that offers a full range of comprehensive laboratory and laboratory-related accreditation services and training.