Since 1955 Palmer Excavation Inc has been serving Harney County and surrounding areas with excavation and septic system installation. Some of our services include dump trucks for hauling, site work, demolition, trenching, cat and dozer work, underground utilities work and more. Contact Palmer Excavation for all your excavation needs.. Excavation and Septic Systems Installation; Drainfields; Site Work; Underground Utilities Work; Demolition Work; Cat and Dozer Work; Trenching and Dump Trucks; Excavators,Trackhoes