| Company | Industry | Employees | Map |
| Conseco, Inc. | HQ, Financial/Insurance Services | 2,500 | Map |
| Sallie Mae | Financial Services/Student Loans | 1,800 | Map |
| Marsh Supermarkets | HQ, Grocery Retailer/Catering | 1,350 | Map |
| Resort Condo International (RCI)* | Time Share Management (Customer Service Center) | 900 | Map |
| St. Vincent Health | Health care | 800 | Map |
| Charles Schwab & Co | National Service Center | 800 | Map |
| Bridgestone/Firestone | HQ (Divisional), Industrial/Building Products | 800 | Map |
| Liberty Mutual Group | HQ, Insurance Services | 800 | Map |
| Roche Diagnostics | Medical equipment | 700 | Map |
| Indiana Mills & Manufacturing | HQ, Seat belts, straps, & tie-downs | 625 | Map |
| Midwest ISO | Electricity Grid Mgmt. | 575 | Map |
| Thomson | HQ, R & D, Consumer Electronics | 550 | Map |
| Duke Realty Corp. | Real Estate | 550 | Map |
| Verizon | National Credit Center | 525 | Map |
| ADT | National Customer Service Center | 500 | Map |
| Go America Insurance | Regional HQ, Specialty auto insurnace | 425 | Map |
| King Systems | HQ, Plastic medical products | 400 | Map |
| Entertainment Distribution Co. | Logistics center for records/tapes/CD's | 400 | Map |
| Wiley Technology | Computer Publishing | 350 | Map |
| ADESA | HQ-Vehicle Auction Exchange Service | 350 | Map |
| Porter Engineered Systems* | Mfg. of seat reclining mechanisms | 325 | Map |
| Delta Faucet Co. | HQ, Plumbing products | 300 | Map |
| Telamon Corporation | Telecommunication equipment assembly | 250 | Map |
| Pearson Education | HQ, Computer-related reference books | 250 | Map |
| Biddle Precision Components | Machining | 175 | Map |
| Walker Information | Research and marketing | 160 | Map |
| Consona | Software | 150 | Map |
| FCCI | HQ, Insurance Services | 100 | Map |
