| Business | Phone |
| Clemens Excavating 103 Ulster Ave, Walden 12586 | (845) 778-7217 |
| G T Excavating 95 Houtman Dr, Walden 12586 | (845) 778-5326 |
| Iko Excavating 198 Coldenham Rd, Walden 12586 | (845) 778-1744 |
| J M Excavating 897 State Route 52, Walden 12586 | (845) 778-5984 |