| Tipo | Manufacturer |
|---|---|
| Sito web | https://www.wlp.com/ |
| Numéro de téléphone | +1 314-493-9300 |
| Indirizzo | 10616 Trenton Ave. - St. Louis, MO 63132 USA |
In January 1960, Donald L. Watson formed a proprietorship known as the Watson List-O-Graphic Company, which specialized in the printing of daily intercept records for Southwestern Bell Telephone Company. Once established, the company expanded quickly and secured contracts to print various types of directories for American Telephone and Telegraph Company and various branches of Monsanto Chemical Company.