| Business | Phone |
| Aviation Publishers Co Ltd 126 York St, Ottawa K1N 5T5 | (613) 244-8280 |
| Arnon Development Corp Ltd 1801 Woodward Dr, Ottawa K2C 0P9 | (613) 226-2000 |
| Association Of Canadian Pblshr 2 Daly Ave, Ottawa K1N 6E2 | (613) 567-1159 |
| Jane's Information Group 220 Laurier Ave W, Ottawa K1P 5Z9 | (613) 288-0189 |
| Canadian Institute-Historical 395 Wellington St #468, Ottawa K1A 0N3 | (613) 235-2628 |
| Colophon Group 30 Rhapsody Lane, Ottawa K1V 1B2 | (613) 521-1117 |