| Business | Phone |
| Brian Johnson Inc Newark 19711 | (302) 266-6700 |
| Concrete Services Inc 44 Currant Dr, Newark 19702 | (302) 737-9294 |
| Custom Coatings & Designs 21 Myers Rd, Newark 19713 | (302) 368-9931 |
| Highland Construction Inc 24 Choate St, Newark 19711 | (302) 286-6990 |
| Newark Concrete Ltd 394 S Chapel St, Newark 19713 | (302) 368-0200 |
| Diamond Concrete Inc 32 Burbank St, Newark 19702 | (302) 834-7769 |