| Site | Address | Phone |
| Cincinnati (Plant) | Rohm and Haas Chemicals LLC* 2000 West Street Cincinnati, OH 45215 USA |
Tel. 513-733-2100 Fax 513-733-2276 ISO 9000.2000 |
| Dayton | The Dow Chemical Company 555 Gaddis Blvd. Dayton, OH 45403 USA |
Tel. 937-254-1550 |
| Findlay | The Dow Chemical Company 3441 N. Main St. Findlay, Ohio 45840 PO Box 708 Findlay, Ohio 45839 USA |
Tel. 1 419 423 6500 Fax 1 419 423 6581 |
| Hanging Rock | The Dow Chemical Company 925 County Road 1-A Ironton, Ohio 45638 USA |
Tel. 1 740 533 4000 Fax 1 740 533 4232 |
| Licking River Film Center | The Dow Chemical Company 3700 Hebron Road, SE Hebron, Ohio 43025 USA |
Tel. 1 740 929 5100 Fax 1 740 929 5101 |
| North Olmsted | Rohm and Haas Chemicals LLC* Great Northern Technology Park I 25111 Country Club Boulevard - #220 North Olmsted, OH 44070 USA |
Tel. 440-777-8666 Fax 440-777-8611 |
| Solon | POLY-CARB, Inc. 33095 Bainbridge Road Solon, OH 44139 USA |
Tel. 440-248-1223 |
| West Alexandria | Rohm and Haas Chemicals LLC* 10 South Electric Street West Alexandria, OH 45381 USA |
Tel. 937-839-4612 Fax 937-839-1342 ISO 9000 QS9000 |
*Rohm and Haas is a Wholly Owned Subsidiary of The Dow Chemical Company