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Corporate Office
P. O. Box 13112
Springfield , Illinois 62791
Tel: 217-698-5600
Fax: 217-787-0776
Contact: Steve McClure, President
smclure@clearstack.com
Business Development Office
455 S 4th St, Suite 1534 Starks Building
Louisville, Kentucky 40202
Tel: 502-584-6022
Fax: 502-587-6579
Contact: John Siegel
jsiegel@clearstack.com
Engineering Office
8123 Buffalo Springs Court
Sugar Land, Texas 77479
Tel: 281-343-5561
Fax: 281-343-5561
Contact: Bob Ashworth, Sr. VP Technology
rashworth@clearstack.com
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