NG Companies 3 years ago ID: #390977 Listed In : Building and Construction 14115 Mead St. Unit C Longmont, CO 80504 (970) 535-4628 https://ngcompanies.com/ Facebook Business Description NG Companies is a business consisting of three business divisions. These include Civil, Hydrovac, and Oil & Gas. We service a variety of commercial, industrial, and energy sectors. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : commercial construction Oil And Gas Services Hydrovac Service Civil Construction Land Reclamation Company