Contact Us
Patrick L. Hvolka,   Vice President of Operations phvolka@djhec.com

Dusan John Hvolka, PhD., President

dhvolka@djhec.com

Corporate Address

DJH Engineering Center, Inc.
6465 South 3000 East, Suite 205
Holladay, Utah 84121

Tel: (801) 583-3934 Fax: (801) 996-3070
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