| Business | Phone |
| Conservation Fund 10001 Main St # C, Chapel Hill 27516 | (919) 967-2223 |
| Fund For Public Interest Rsrch 405 W Franklin St # B, Chapel Hill 27516 | (919) 933-9994 |
| International Design Center 1210 Roosevelt Dr, Chapel Hill 27514 | (919) 968-6516 |
| National Audubon Society 123 Kingston Dr # 206-A, Chapel Hill 27514 | (919) 929-3899 |