Keystone Lime Co » Producers Go back to directory. Keystone Lime Co Keystone Lime Phone: 814-662-2711work Address P.O. Box 278 Springs, PA 15562 workGet Directions : Melinda Gibson Personal Email: zstvofba@xrlfgbaryvzr.pbzmoc.emilenotsyek@nosbigfmINTERNET : J. Dennis Grube Personal Email: qtehor@xrlfgbaryvzr.pbzmoc.emilenotsyek@eburgdINTERNET