Employer | Employees |
| Rockwood School District | 633 |
| Wildwood Family YMCA | 215 |
| Hidden Valley Ski Resort | 213 |
| Dierbergs Town Center | 155 |
| Schnucks Markets | 118 |
| The Elegant Child | 112 |
| St. Louis Community College: Wildwood | 103 |
| Kelpe Contracting | 87 |
| St. Louis Bread Co | 51 |
| SourceHOV (now Exela Technologies) | 47 |
Source: Wildwood Business License Database, 2017