Contact Us

​Office: 903-593-3458​ | Fax: 903-593-9757 24/7 - 365 Days a Year | Since 1955

Diamond Core Testco, Inc.

 6674 FM Road 2767 
Tyler, Texas 75708 

Zach Shaver

Cell: 903-593-3458 
Fax: 903-593-9757 

Jason Shaver

Phone: 903-330-2518 
Cell: 903-504-3134