Oklahoma City, US 
Corken, Inc.
Tel.: +1 405 946 5576Fax: +1 405 948 7343
Cincinnati, Ohio, US
Gusher Pump, Inc.
Tel.: +1 606 824 5001Fax: +1 606 824 3011
North Kingstown, US
BSM Pump Corp.
Tel.: +1 401 886 2658Fax: +1 401 886 2448
Houston, Tx,, US
Weatherford International
Tel.: +1 281 449 1383Fax: +1 281 449 6235
Wyckoff, NJ, US
Wastecorp. Inc.
Tel.: +1 201 445 2882Fax: +1 445 3252
Tulsa, US
HOSS Pump Systems
Tel.: 918-660-7220Fax: 918-660-7201