| Champion Spark Plugs 2 |  |
| Clay Herringbone Milking Stalls and Century 3-Section Boom |  |
| Cunningham Hay Conditioners |  |
| d-Con No More Trouble with Rats on My Place |  |
| Dannen Mills, Inc |  |
| Derby Gasoline with Star Tane |  |
| DOW Chemical Polyfilm |  |
| Dr. Naylors Medicated Teet Dilators, Meyer's Hay Conditioner and Puzy Bros. Rat Nip |  |
| ELCO Lubricant Corporation |  |
