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