Exhibit 21.1
Flotek Industries, Inc.
List of Subsidiaries
CESI Chemical, Inc.
Formerly: Chemical & Equipment Specialties, Inc.
Oklahoma Corporation
DBA: CESI Chemical, Inc.
Esses, Inc.
Oklahoma Corporation
DBA: CESI Chemical, Inc.
Plainsman Technology, Inc.
Oklahoma Corporation
DBA: CESI Chemical, Inc
Equipment Specialties, Inc.
Oklahoma Corporation
DBA: Equipment Specialties, Inc.
Material Translogistics, Inc.
Texas Corporation
DBA: Material Translogistics, Inc.
Padko International, Inc.
Oklahoma Corporation
DBA: CESI Chemical, Inc.
Petrovalve International, Inc.
Alberta Corporation
DBA: Petrovalve International, Inc.
Petrovalve, Inc.
Delaware Corporation
USA Petrovalve, Inc.
Texas Corporation
DBA: USA Petrovalve, Inc.
Turbeco, Inc.
Texas Corporation
DBA: Turbeco, Inc.
DBA: Precision-LOR LP.
Trinity Tool, Inc.
Texas Corporation
DBA: Trinity Tool, Inc.
Petrovalve Int’l (Barbados), Inc.
Barbados Corporation
DBA: Petrovalve Int’l (Barbados), Inc.
Flotek Paymaster, Inc.
Texas Corporation
DBA: Flotek Paymaster, Inc.
Spidle Sales & Services, Inc.
Utah Corporation
DBA: Spidle Sales & Services, Inc.
Harmon Machine Works, Inc.
Texas Corporation
DBA: Galleon Enterprise and
Midessa Heat Treat
Midessa Heat Treat