Locations Tower has over 220,000 square feet of manufacturing space with facilities located in Centerbrook, CT, Clinton, CT and Montague, MI. Headquarters; drug, device and supplement manufacturing8 Industrial Park Rd., P.O. Box 306 Centerbrook, CT 06409 Warehouse & Distribution facility; device manufacturing7 Heritage Park Rd. Clinton, CT 06413 OTC drug and supplement manufacturing8060 Whitbeck Rd. Montague, MI 49437 Partner with the Effervescent Experts Contact Us