| Business | Phone |
| Green Building Information 130 Lewis St, Ottawa K2P 0S7 | (613) 232-2330 |
| Mining Watch Canada 880 Wellington St #508, Ottawa K1R 6K7 | (613) 569-3439 |
| Pembina Institute For Dev 251 Laurier Ave, Ottawa | (613) 235-6288 |
| Sierra Club Of Canada 1 Nicholas St #412, Ottawa K1N 7B7 | (613) 241-4611 |
| Sierra Youth Coalition 1 Nicholas St #412, Ottawa K1N 7B7 | (613) 241-1615 |
| Wildlife Habitat Canada 7 Hinton Ave N, Ottawa K1Y 4P1 | (613) 722-2090 |
| Canadian Environmental Network 945 Wellington St #300, Ottawa K1Y 2X5 | (613) 728-9810 |
| Ducks Unlimited Canada 350 Sparks St #1000, Ottawa K1R 7S8 | (613) 565-2525 |
| Friends Of The Earth 260 St Patrick St, Ottawa K1N 5K5 | (613) 241-0085 |