| General Motors PAC | 25 Massachusetts Avenue, NW Suite 400 Washington, DC 20001 | $1,000.00 10/6/2012 | 2A Friends of Don Harmon | | | |
| Cottonwood Financial Ltd. | 1901 Gateway Drive Suite 200 Irving, TX 75038 | $10,000.00 10/6/2012 | 1A Friends of Don Harmon | | | |
| Meijer | 2929 Walker Ave, NW
Grand Rapids, IL 49544 | $2,000.00 10/6/2012 | 1A Friends of Don Harmon | | | |
| Nicor Gas PAC | 1844 Ferry Rd.
Naperville, IL 60563 | $2,500.00 10/6/2012 | 2A Friends of Don Harmon | | | |
| SFAA-PAC | P.O. Box 7913
Gurnee, IL 60031-7006 | $1,000.00 10/6/2012 | 2A Friends of Don Harmon | | | |
| AT&T Illinois | 225 West Randolph Floor 27B Chicago, IL 60606 | $1,000.00 10/6/2012 | 1A Friends of Don Harmon | | | |
| Construction & General Laborers' Dist. Council - PAC & Educ. League | 999 McClintock Dr. Ste. 300 Burr Ridge, IL 60527 | $5,000.00 10/6/2012 | 2A Friends of Don Harmon | | | |
| Caremark | P. O. Box 287
Lincoln, RI 02895 | $1,000.00 10/6/2012 | 1A Friends of Don Harmon | | | |
| Illinois Construction Industry - PAC | PO Box 2266
Springfield, IL 62705 | $1,000.00 10/6/2012 | 2A Friends of Don Harmon | | | |
| Associated General Contractors of Illinois PAC | 3219 Executive Park Drive
Springfield, IL 62703 | $1,000.00 10/6/2012 | 2A Friends of Don Harmon | | | |