Exhibit 21.2

LIST OF SUBSIDIARIES OF PRESIDIO INVESTMENT HOLDINGS LLC

Entity |  | Jurisdiction
FTW Technologies LLC |  | Delaware
Presidio Employee Co LLC |  | Delaware
Presidio Employee Holdings Co. LLC |  | Delaware
Presidio Finance LLC |  | Delaware
Presidio Finance Holding Company LLC |  | Delaware
Presidio Finance Nominee Corp. |  | Texas
Presidio Holding Company LLC |  | Delaware
Presidio Intermediate Holding Company LLC |  | Delaware
Presidio Petroleum LLC |  | Delaware
Presidio WAB LLC |  | Texas
Trail Dust LLC |  | Delaware