EX-21.1 3 nine-20241231ye10kex211.htm EX-21.1
EXHIBIT 21.1
List of Subsidiaries of Nine Energy Service, Inc.

Name |  | Jurisdiction
CDK Perforating, LLC |  | Texas
Crest Pumping Technologies, LLC |  | Delaware
Frac Technology AS |  | Norway
Magnum Oil Tools GP, LLC |  | Texas
Magnum Oil Tools International, LTD |  | Texas
MOTI Holdco, LLC |  | Delaware
Nine Downhole Norway AS |  | Norway
Nine Downhole Technologies, LLC |  | Delaware
Nine Energy Canada Inc. |  | Alberta, Canada
Nine Energy Service, LLC |  | Delaware
RedZone Coil Tubing, LLC |  | Texas