
Guttenberg Industries, Inc.
511 Herder Street
Guttenberg, Iowa 52052
(563) 252-3121
FAX (563) 252-1158
| Don Overman - VP Sales | Joe Aitchison – Estimating Process |
| 563-252-3121 ext 215 | Manager |
| doverman@guttenbergind.com | 563-252-3121 ext 222 |
| jaitchison@guttenbergind.com | |
| Tom Obrien - Sales West of Mississippi River | Todd Randall – Estimator |
| 515-210-4901 | 563-252-3121 ext 223 |
| tobrien@guttenbergind.com | trandall@guttenbergind.com |
| Select Technology Group - Sales Greater Chicago and Millwaukee Area | |
| 630-539-1980 | |
| natalie@stechnologygroup.com |
| David Ertl – Engineering Manager | Fred Witte – Product |
| 563-252-3121 ext 231 | Development (Project) Engineer |
| dertl@guttenbergind.com | 563-252-3121 ext 233 |
| fwitte@guttenbergind.com |
| Bernard Schroeder – Supply Chain Manager | Jim Ertl – Purchasing Manager |
| 563-252-3121 ext 211 | 563-252-3121 ext 212 |
| bschroeder@guttenbergind.com | jertl@guttenbergind.com |
| Virginia Roth – Customer Service & Order Acceptance | |
| 563-252-3121 ext 213 | |
| vroth@guttenbergind.com |