Oilfield Subs
Crossover Subs

We stock your common API Connection sizes ranging from 2-3/8” EUE up to 6-5/8” Reg including the hard to find XT-39 connections. If we don’t have it in stock we can make one in house same day in most cases.

All ISM subs are made with quality heat treated material and supplied with mill certifications.

If you would like more information please call the location nearest you.

Contact Us for Quote

For  more information please call the location nearest you.


Colorado (970) 245-4020
Wyoming (307) 234-3547

  • Lifting Subs
  • Crossover Subs
  • Saver Subs
  • Circulating Subs
  • Custom Application Subs