| Business | Phone |
| Civil Design Assoc Inc 1760 Brightwood Rd Se, New Philadelphia 44663 | (330) 339-4242 |
| Diversified Eigineering Inc 304 E High Ave, New Philadelphia 44663 | (330) 364-1631 |
| Hammontree Associate Ltd 1121 Tuscarawas Ave Nw, New Philadelphia 44663 | (330) 343-0077 |