The 2012 NAICS (North American Industrial Classification System) Code for horizontal drilling (directional boring) falls under category 237990 “Other Heavy and Civil Engineering Construction”. Atlanta Boring Contractors NAICS | United Boca Ratons Census Bureau Atlanta Boring Contractors NAICS | United Boca Ratons Census Bureau The United Boca Ratons Census Bureau is a principal agency of … Continue reading Boring NAICS Code