Map for Leader Services, a Division of LDP, Inc. Map for Leader Services, a Division of LDP, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Services >> Computer sales/service Leader Services, a Division of LDP, Inc. PO Box OHazleton, PA 18202 | directions Mr. Jeff Mason Jr. (570) 455-8511 | fax: (570) 455-5945 Visit Site If your business isn't here, contact us today to get listed!