| Business | Phone |
| Computer User 256 Chapman Rd # 201, Newark 19702 | (302) 454-8511 |
| Kendall Hunt Publishing Co 16 Prestbury Sq, Newark 19713 | (302) 266-8031 |
| Linguatext Limited 270 Indian Rd, Newark 19711 | (302) 453-8695 |
| Mitchell Lane Publishers Inc 1104 Kelly Dr, Newark 19711 | (302) 234-9426 |
| Mitchell Lane Publishers Inc 20 Shea Way, Newark 19713 | (302) 731-9750 |
| Publishing Colge Directory 102 E Main St, Newark 19711 | (302) 283-5410 |