Main Office
Tel: 713-690-0556
Fax: 713-690-0558
Mail Address: PO Box 41508-Houston, TX 77241-1508.
Shipping Address: 13831 NW Freeway, Suite 316-
Houston, TX 77040.

Customer Support: hds@hds-log.com
Sales: BillManley@hds-log.com
Web Master: hds@hds-log.com

World Wide
Bill Manley
Tel: 713-690-0556
Fax: 713-690-0558
Email: hds@hds-log.com

Rocky Mountain
Kris Petersen
Tel: 303-980-6770
Email: kmp@ricochet.com

Europe
Alex Marshman
Tel: 44-1926-402-800
Fax: 44-1926-402-802,
Email: alex@etechint.co.uk

Latin America
Mauricio Ariza
Tel: 409-762-1062
Fax: 409-762-1133
Email: andessys@aol.com