Mountain Country Energy Service Address: 9114 Main St, Sinnamahoning, PA 15861 Phone: (814) 546-2333 Energy Management Systems & Products Other Businesses: Willows Inn at RR 120, Sinnamahoning, PA 15861 Sinnemahoning Tavern at 10426 Main St, Sinnamahoning, PA 15861 Geist Mt Creek Campground at 37 Wyatt Ln, Sinnamahoning, PA 15861