| Site | Address | Phone |
| Dow Automotive Freienbach | Wolleraustrasse 15-17 CH-8807 Freienbach Switzerland |
Phone +41 (0) 55 416 81 11 Fax +41 (0) 55 416 82 20 |
| Buchs | ACIMA Chemical Industries Ltd.* Im Ochsensand CH-9471 Buchs (SG) Switzerland |
Phone: + 41-81-755-4600 Fax: + 41-81-755-4659 ISO 9001 |
| Horgen | Dow Europe GmbH Bachtobelstrasse 3 8810 Horgen Switzerland |
Tel. + 41 44 728 2111 Fax + 41 44 728 2935 |
| Littau/Lucerne | Rohm and Haas Electronic Materials Schweiz GmbH* Grossmatte 4 CH-6014 Littau Switzerland |
Phone: + 41-41-259-4444 Fax: + 41-41-259-4400 ISO 14001 ISO 9001 |
| Morges | Rohm and Haas Europe Sàrl* Lake Geneva Center 9 Route de la Longeraie 1110 Morges Switzerland |
Phone: + 41-21-805 9000 Fax: + 41-21-805 9001 |
*Rohm and Haas is a Wholly Owned Subsidiary of The Dow Chemical Company
