Geopier Northwest Geopier Northwest Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Division 31 - Earthwork >> 31 62 00 Driven Piles Geopier Northwest 800 W Main St Ste 1460Boise, ID 83702 | map | directions Daniel P. Ciani (208) 401-9567 Visit Site Connect With Us Geopier Northwest designs and installs Rammed Aggregate Pier (RAP) systems as efficient and cost effective intermediate foundation solutions for the support of settlement sensitive structures. Member Since: 2019