Who is overton co? From Elmont, New York, we reach the world. Overton & Co. was established in 1839, making it the oldest Customs brokerage firm in America today.Does overtons have members only specials? At Overton's, we make every effort to offer the best products at the best value. In addition to our competitive pricing, we offer exclusive savings for Good Sam members. Simply look for items denoted as Members-Only Specials within the "Deals" drop-down menu.Where is the overton county health department located? Address and Phone Number for Overton County Health Department, a Health Department, at Bradford Hicks Drive, Livingston TN.