Major Employers
| Name | Type | Employees |
|---|---|---|
| Grain Valley R-5 School | Education | 650 |
| Alstom Signaling Operation, LLC | Railroad signaling systems | 400 |
| Owner Operator & Independent Drivers Assoc. | Professional association | 327 |
| Cosentino Price Chopper #325 | Grocery store | 186 |
| Schefer's Roofing Company | Roofing general contractor | 80 |
| City of Grain Valley | Government | 72 |
| McDonalds | Fast Food | 70 |
| ED M Feld Equipment Co. | Sales & service safety equipment | 55 |
| Liquid Soap Products | Cleaning products manufacturer | 53 |
| Outerbelt Entertainment | Bar | 50 |
| Missouri Made Marijuana | Medical marijuana cultivation & manufacturing | 50 |