| Alvin Independent School District | Education | 2520 |
| Alvin Community College | Education | 545 |
| Wal-Mart Associates | Retail | 520 |
| Ascend Performance Materials | Petrochemical Manufacturing | 470 |
| INEOS Olefins and Polymers USA | Chemical Manufacturing | 440 |
| Ron Carter Automotive | Automotive Dealerships | 320 |
| Rice-Tec | Agriculture/Research | 300 |
| Team | Integrated Mechanical Services | 257 |
| City of Alvin | Government | 247 |
| BeAed | Manufacturing | 200 |
| Diversified Ceramics | Manufacturing | 91 |