| Business | Phone |
| Monoosnoc Brook Greenway Cltn 14 Monument Sq, Leominster 1453 | (978) 537-1408 |
| Massachusetts Watershed Cltn 14 Monument Sq # 306, Leominster 1453 | (978) 534-0379 |
| Leominster Land Trust Inc 14 Monument Sq, Leominster 1453 | (978) 537-7451 |
| Trustees Of Reservations 325 Lindell Ave, Leominster 1453 | (978) 840-4446 |