---
title: "Professional Services Sales"
url: https://digital-controls.com/duvall.htm
---

# Professional Services Sales

**Professional Services Sales**
 **Howard DuVall**305 South Pioneer Blvd.
 Springboro, OH 45066
 Tel: (800) 274-1627
 Fax: (513) 743-8575
 E-mail: howard.duvall@digital-controls.com
 © 1997 Digital Controls Corporation