P.O. Box 230061 t Houston, Texas 77223 t USA

Phone 713-225-6595 t Fax 713-225-1000

We at Oil Well Survey Instrument Co., Inc. are proud to introduce our company to you.

We have been a competitive manufacturer of machine parts since 1936, and we continue to update our facilities with the latest equipment in the industry.

As our equipment list shows, we are capable of a wide variety of machining methods and operations from Automatic Screw Machining from .150 dia. to 2-5/8" diameter to small to medium CNC to 9" diameter and manual work.

We have specialty equipment such as a centerless grinder and a gundrill. We can also handle your conventional machining needs competitively with the craftsmanship and skill acquired from over 70 years in the industry.

Our excellent quality history and customer ratings demonstrate our priority for the quality our customer’s demand. Our quality system and our practices are in compliance with ISO 9001-2008.

We had our final audit by Orion registrar Inc. on 6-16-09.

We invite you to visit our facility.

Don Nelson

General Manager

Oil Well Survey Instrument Co.