Exhibit 22.1

Subsidiary Guarantors and Co-Issuer

Each of the following direct or indirect, wholly-owned subsidiaries of USA Compression Partners, LP, a Delaware limited partnership (the “Partnership”) is either (i) a co-issuer of or (ii) guarantees, jointly and severally, on a senior unsecured basis, each of the registered debt securities of the Partnership listed below:

Co-Issuer

1.USA Compression Finance Corp. a Delaware corporation

Subsidiary Guarantors

1.USA Compression Partners, LLC, a Delaware limited liability company

2.USAC Leasing, LLC, a Delaware limited liability company

3.USAC OpCo 2, LLC, a Texas limited liability company

4.USAC Leasing 2, LLC, a Texas limited liability company

5.CDM Resource Management LLC, a Delaware limited liability company

6.CDM Environmental & Technical Services LLC, a Delaware limited liability company

Registered Debt Securities of the Partnership co-issued by the Co-Issuer and guaranteed by each of the Subsidiary Guarantors

1.6.875% Senior Notes 2026

2.6.875% Senior Notes 2027