• Environics
  33 Bloor St.E. Ste. 900, Toronto, ON, M4W 3H1
  416-920-9000; Fax: 416-920-1822
  
• Fantail Communications Inc.
  479 Wellington St.W. Ste. 100, Toronto, ON, M5V 1E7
  416-363-8449; Fax: 416-977-2226
  
• Fingerprint Communications
  67 Mowat Ave. Ste. 533, Toronto, ON, M6K 3E3
  416-588-9441; Fax: 416-588-7950
  
• Fleishman Hillard Inc.
  200 King St.W. Ste. 1702 Box 21, Toronto, ON, M5H 3T4
  416-598-0055; Fax: 416-598-3811
  
• Freeman Communications
  11 Gloucestor St., Toronto, ON, M4Y 1L8
  416-697-0305; Fax: 416-967-5459
  
• GPC International
  200 King St.W. Ste. 1702 Box 21, Toronto, ON, M5H 3T4
  416-598-0055; Fax: 416-598-3811
  
• Harbinger Communications
  252 Adelaide St.E., Toronto, ON, M5A 1N1
  416-960-5100; Fax: 416-960-5515
  
• Hill & Knowlton
  160 Bloor St.E. Ste. 700, Toronto, ON, M4W 3P7
  416-413-1218; Fax: 416-413-1550
  
• Holmes Creative Communications
  29 Park Rd., Toronto, ON, M4W 2N2
  416-408-2800; Fax: 416-403-4080
  
• Interkom Creative Marketing
  720 Guelph Line Ste. 304, Burlington, ON, L7R 4E2
  1-905-332-8315; Fax: 1-905-332-8316
  
• Jennifer Pringle
  748 King Rd., Burlington, ON, L7T 3K6
  1-905-639-1066
  
• Joan Patch
  2284 Seton Cr., Burlington, ON, L7L 6Y4
  1-905-510-5218
  
• Porter Novelli Canada
  939 Eglinton Ave. E. Ste. 200, Toronto, ON, M4G 4E8
  416-423-6605; Fax: 416-423-5154
  
• Public Interest Strategy & Communications
  340 Harbord Street, Toronto, ON, M6G 1H4
  416-531-5192; Fax: 416-531-7210
  
• Quorum Strategic Communications
  14 Thatcher's Mill Way, Markham, ON, L3P 3T3
  416-629-1699; Fax: 1-905-472-2024
  
• Smith Communications
  53 Eleventh St., Toronto, ON, M8V 3G4
  416-259-1423
  
• Strategic Objectives Inc.
  184 Front St.E. 4th Floor, Toronto, ON, M5A 4N3
  416-366-7735; Fax: 416-366-2295
  
• Thornley Fallis Communications
  1300 Yonge St. Ste. 406, Toronto, ON, M4T 1X3
  416-515-7517; Fax: 416-515-7554
  
• Torchia Communications
  130 Spadina Ave. Ste. 502, Toronto, ON, M5V 2L4
  416-341-9929; Fax: 416-341-0129
  
• Write to Know Communications
  6 Pepler Ave., Toronto, ON, M4J 2Y6
  416-421-0119