| Site | Address | Phone |
| Delfzijl | Dow Benelux B.V. Heemskesweg 45-47 9936 HE Delfzijl PO Box 80 9930 AB Delfzijl The Netherlands Trade Register: 24104547 |
Tel.+ 31 596 67 5000 Fax + 31 596 67 5244 |
| Delfzijl | Rohm and Haas B.V.* Valgenweg 7 9936 HV Farmsum Delfzijl |
Phone: 31-596-633563 Fax: 31-596-615516 ISO 14000 ISO 9001.2000 |
| Moerdijk | Rohm and Haas Electronic Materials BV* Distriboulevard 27 4782PV Moerdijk |
Phone: 31-168-384022 Fax: 31-168-384026 |
| Terneuzen | Dow Benelux B.V. Herbert H. Dowweg 5 4542 NM HOEK Postbus 48 4530 AA TERNEUZEN Nederland |
Tel. + 31 115 671234 Fax + 31 115 672423 |
*Rohm and Haas is a Wholly Owned Subsidiary of The Dow Chemical Company