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