| HAGGERTY BUICK GMC, INC. Villa Park, IL | 6 | -$1,592 | 6 |
| BAUM CHEVROLET-BUICK COMPANY Clinton, IL | 8 | -$500 | 8 |
| DIEPHOLZ CHEVROLET BUICK GMC Charleston, IL | 1 | $0 | 1 |
| MIKE HAGGERTY BUICK GMC, INC. Oak Lawn, IL | 8 | $0 | 8 |
| S & K BUICK-GMC, INC. Springfield, IL | 11 | $0 | 11 |
| BOB BROCKLAND BUICK GMC, INC. Columbia, IL | 3 | $0 | 3 |
| BARKER MOTOR COMPANY Bloomington, IL | 2 | $0 | 2 |
| D'ARCY BUICK-GMC Joliet, IL | 1 | $0 | 1 |
| RIZZA BUICK GMC CADILLAC, INC. Tinley Park, IL | 8 | $0 | 8 |
| LAURA BUICK-GMC, INC. Collinsville, IL | 18 | $0 | 18 |
| CASTLE BUICK-GMC, INC. Riverside, IL | 10 | $0 | 10 |
| K. C. SUMMERS BUICK GMC Mattoon, IL | 4 | $0 | 4 |
| ARNIE BAUER BUICK GMC CADILLAC Matteson, IL | 1 | $0 | 1 |
| BILL KAY BUICK GMC Downers Grove, IL | 1 | $0 | 1 |
| LIGHTHOUSE BUICK GMC Morton, IL | 9 | $0 | 9 |
| KEN NELSON AUTO PLAZA, INC. Dixon, IL | 1 | $0 | 1 |
| NAPLETON'S SCHAUMBURG BUICK GMC Schaumburg, IL | 1 | $0 | 1 |
| AUFFENBERG OF CARBONDALE Carbondale, IL | 2 | $0 | 2 |
| JEFF PERRY BUICK GMC Peru, IL | 5 | $0 | 5 |
| LANDMARK OF TAYLORVILLE, INC. Taylorville, IL | 3 | $0 | 3 |
| CARDINAL BUICK GMC INC. Belleville, IL | 3 | $0 | 3 |
| ZEIGLER BUICK GMC OF LINCOLNWOOD Lincolnwood, IL | 27 | $0 | 27 |
| BOB BRADY BUICK GMC, INC. Forsyth, IL | 6 | $0 | 6 |
| AL PIEMONTE BUICK GMC Elmhurst, IL | 3 | $0 | 3 |
| NAPLETON BUICK GMC Crystal Lake, IL | 1 | $0 | 1 |
| SERRA BUICK GMC CHAMPAIGN Savoy, IL | 2 | $0 | 2 |
| RIDINGS CHEVROLET-BUICK Monticello, IL | 1 | $0 | 1 |
| RAY DENNISON BUICK GMC CADILLAC, INC. Pekin, IL | 21 | $0 | 21 |
| WOODY BUICK GMC OF GURNEE Gurnee, IL | 5 | $0 | 5 |
| DRALLE CHEVROLET AND BUICK, INC Peotone, IL | 1 | $0 | 1 |
| ADVANTAGE BUICK GMC La Grange, IL | 1 | $0 | 1 |
| YEMM CHEVROLET-BUICK-GMC Galesburg, IL | 2 | $0 | 2 |