INTRODUCTION SERVICES CHART & FIXTURE CATALOG CONTACT SCOPE OF ACCREDITATION A2LA INTRODUCTION 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 38 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.

INTRODUCTION SERVICES CHART & FIXTURE CATALOG CONTACT SCOPE OF ACCREDITATION A2LA SERVICES SERVICE / SALES / PARTS SERVICE We provide on-site Optical Comparator calibration of all makes and models Cleaning, Calibration & Alignment(s) Regularly Scheduled Yearly Calibration(s) Regularly Scheduled Preventative Maintenance Service Contract(s) Optical Comparator Repair(s) and Upgrade(s) SALES New, Used & Recertified Optical Comparators - Trade-Ins Welcome PARTS Optical Comparator Replacement Parts Optical Comparator Charts and Overlays Optical Comparator Fixtures Digital Readout Retrofits Power Vertical Elevation Retrofits Power & Manual Horizontal Leadscrew Retrofits Projection & Surface Illumination Lamp Retrofits Effective 11/1/20 all credit card transactions will incur a 3.5% processing fee added to invoice

INTRODUCTION SERVICES CHART & FIXTURE CATALOG CONTACT SCOPE OF ACCREDITATION A2LA CONTACT Contact Us 1321 Cedar Street Port Huron, MI 48060 P.O. Box 610842 Port Huron, MI 48061 (586) 727-8890 Wayne Mattise, President waynemattise.usi@gmail.com Lynn Mattise-Dedenbach, Controller / Vice-President lynndedenbach.usi@gmail.com Name * First Name Last Name Email Address * Message *