USA: Clotho Corp P.O.Box 350954 Brooklyn, NY 11235 Hours of Operation: 9am - 5pm EST, M - F Phone: 1-877-368-9100 1-718-368-9100 Fax: 1-718-368-9279 Email: info@clothoonline.com Canada - Ontario: Clotho - Canada Ltd 364 Supertest Road, Unit 205 Toronto, Ontario M3J 2M2 Hours of Operation: 9am - 5pm EST, M - F Phone: 1-416-628-4299 We're in the office Monday - Friday from 9:00am – 5:00pm EST Have a question, comment, or feedback? Here's how to get in touch with us.