| Site | Address | Phone |
| Calgary | Dow Chemical Canada Inc. Suite 2100 450 - 1st Street S.W. Calgary, Alberta T2P 5H1 Canada |
Phone: 403-267-3500 Fax: 403-267-359 |
| Fort Saskatchewan | Dow Chemical Canada Inc. Western Canada Operations P.O. Bag 16 Highway 15 Fort Saskatchewan, Alberta T8L 2P4 Canada |
Phone: 780-998-8000 Public Affairs: 780-998-8028 or 1-800-661-3283 (toll-free) NR CAER UPDATE line: 1-866-653-9959 |
| Montreal | Rohm and Haas Canada LP* 7900 Taschereau Boulevard Suite A-202 Brossard Quebec J4X 1C2 Canada |
Phone: 450-466-7764 Fax: 450-466-7771 ISO 9001 |
| Prentiss | Dow Chemical Canada Inc. Prentiss Site P.O. Box 5501 Red Deer, Alberta T4N 6N1 Canada |
Phone: 403-885-7000 Community Information Line: 403-885-7249 Fax: 403-885-4434 |
| Sarnia | Dow Chemical Canada Inc. Sarnia Plant 1425 Vidal Street South P.O. Box 3030 Sarnia, Ontario N7T 8C6 Canada |
Phone: 519-339-3131 Public Affairs: 519-339-3196 or 1-800-361-6650 (toll-free; available to residents of area codes 519, 810 and 313) |
| Toronto | Dow Chemical Canada Inc. 122 Arrow Road Weston, Ontario M9M 2M2 Canada |
Phone: 416-744-5600 Fax: 416-744-5601 |
| Varennes | Dow Chemical Canada Inc. 4445 Marie Victorin Varennes, Quebec J3X 1T3 Canada |
Phone: 1.450.652.1000 Fax: 1.450.652.4440 |
| West Hill | Rohm and Haas Canada LP* West Hill Plant 2 Manse Road West Hill, Toronto, Ontario M1E 3T9 Canada |
Phone: 416-284-4711 Fax: 416-284-7779 ISO 14001 Responsible CARE |
*Rohm and Haas is a Wholly Owned Subsidiary of The Dow Chemical Company