UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: June 23, 2021 4:30 P.M.
Form: S-3
CIK: 0001449488
Company Name: CSI Compressco LP
File Number: 333-256737
CIK: 0001643404
Company Name: CSI Compression Holdings, LLC
File Number: 333-256737-09
CIK: 0001643415
Company Name: Rotary Compressor Systems, Inc.
File Number: 333-256737-08
CIK: 0001606147
Company Name: CSI Compressco Leasing LLC
File Number: 333-256737-07
CIK: 0001606186
Company Name: CSI Compressco Holdings LLC
File Number: 333-256737-06
CIK: 0001606149
Company Name: CSI Compressco International LLC
File Number: 333-256737-05
CIK: 0001606144
Company Name: CSI Compressco Field Services International LLC
File Number: 333-256737-04
CIK: 0001606146
Company Name: CSI Compressco Operating LLC
File Number: 333-256737-03
CIK: 0001606142
Company Name: CSI Compressco Sub Inc.
File Number: 333-256737-02
CIK: 0001606141
Company Name: CSI Compressco Finance Inc.
File Number: 333-256737-01