| Business | Phone |
| J L Schaffer & Sons Constr Inc 20 Canary Ct, Middletown 19709 | (302) 293-8781 |
| J T Hoover Concrete 209 Clayton Manor Dr, Middletown 19709 | (302) 378-8688 |
| J W Walker & Sons 563 Old Summit Bridge Rd, Middletown 19709 | (302) 378-3500 |
| Mumford & Miller Concrete 1005 Industrial Rd, Middletown 19709 | (302) 378-7736 |
| Southgate Concrete Co Inc 600 Industrial Rd, Middletown 19709 | (302) 376-5280 |
| Roman Concrete Route 896 & Route 429amp;, Middletown 19709 | (302) 378-2236 |