| Rank | Employer | Industry | Employees |
| 1 | County of Riverside | Government Offices | 22,000 |
| 2 | University of California, Riverside | Education | 8,735 |
| 3 | March Air Force Reserve | Military | 7,000 |
| 4 | Kaiser Permanente | Healthcare | 4,346 |
| 5 | Riverside Unified School District | Education | 4,313 |
| 6 | City of Riverside | Government Offices | 2,485 |
| 7 | Riverside Community Hospital | Healthcare | 2,200 |
| 8 | Riverside Community College District | Education | 2,100 |
| 9 | Alvord Unified School District | Education | 1,898 |
| 10 | Cal Baptist University | Education | 1,442 |
| 11 | Parkview Community Hospital | Healthcare | 1,100 |
| 12 | Collins Aerospace Systems | Aircraft Components Manufacturing | 1,027 |
| 13 | Riverside Medical Clinic | Healthcare | 970 |
| 14 | Stater Bros | Grocery Stores | 790 |
| 15 | K&N Engineering | Automotive Parts | 700 |
| 16 | Walmart Supercenter | Department Stores | 688 |
| 17 | Pepsi Bottling Company | Bottle Manufacturing | 650 |
| 18 | Mission Inn Hotel and Spa | Hotels & Motels | 600 |
| 19 | J Ginger Masonry | Masonry Contractors | 600 |
| 20 | Target | Department Stores | 580 |
| 21 | AMR Medical Response | Ambulance Service | 550 |
| 22 | G4S Secure Solutions | Security Guard Contractors | 550 |
| 23 | Riverside Transit Agency | Bussing | 507 |
| 24 | California Air Resources Board | Government Offices | 460 |
| 25 | 220 Laboratories | Cosmetics Manufacturing | 450 |
| 26 | Altura Credit Union | Finance | 450 |
| 27 | AMA Plastics | Plastic Manufacturing | 429 |
| 28 | Harvest Christian Fellowship | Fellowship | 420 |
| 29 | Riverside Metro Auto Group | Automobile Dealers | 420 |
| 30 | Robert Presley Detention Center | Detainment Center | 400 |
| 31 | Ralph's/Food 4 Less | Grocery Stores | 390 |
| 32 | La Sierra University | Education | 364 |
| 33 | Walter's Automotive | Automobile Dealers | 323 |
| 34 | Visiting Nurse Association | Healthcare | 300 |
| 35 | Fleetwood Enterprises | Modular Homes | 300 |
| 36 | California School for the Deaf | Education | 300 |
| 37 | Luxfer Gas Cylinders | Manufacturing | 290 |
| 38 | Albertsons/Vons | Grocery Stores | 283 |
| 39 | Nordstrom | Department Stores | 265 |
| 40 | Pacific Production Plumbing | Plumbing Contractors | 250 |
| 41 | Home Depot | Home Center | 250 |
| 42 | SuperCare Health | Healthcare | 250 |
| 43 | Bourns Inc. | Electric Equipment Manufacturing | 250 |
| 44 | Castle Park | Amusement Park | 250 |
| 45 | Cheesecake Factory | Restaurants | 230 |
| 46 | The Toro Company Irrigation | Manufacturing | 220 |
| 47 | Provident Bank | Finance | 218 |
| 48 | Student Transportation of America | Bussing | 200 |
| 49 | Corona-College Heights Orange & Lemon Association | Fruits & Vegetables Wholesale | 188 |
| 50 | Fritts Ford | Automobile Dealers | 180 |