Precision Drilling, Inc. is an independently owned open shop contractor established in 1977 by Jon T. Errickson. Precision Drilling is a subsurface contractor specializing in drilling, augering, caisson drilling, rock coring, railroad drilling, cell tower installations, retaining walls, building foundations, science structures, and sports lighting. Previous contracts have included the drilling of holes from 3" to 144" diameter and from 1' to 100' in depth. We manufacture our own cages, drill bits, augers, cleanouts, and rock hammers for worldwide sales. Precision Drilling also offers a wide variety of sales and rental services to the drilling industry through our sister company, Errickson Equipment.