Preferred Registrar Group, Inc.
30561 Dequindre Rd. Madison Heights, MI 48071
Certifies that

Compressor Technolgies, Inc.
dba Numerics Unlimited

211 East Russell Road
Sidney, OH 45365

has implemented a Quality Management System scope
in accordance with:

ISO 9001:2008

The Registration of this Quality Management System
Governs:

Contract Precision machining and assemblies for OEMs on energy, aerospace, compressor and other industries.

Certified Date:
7/28/2009

This certificate was issued on:


It is valid until:
7/28/2012

Certificate Registration
Number:
09-R4081