JA Oilfield Manufacturing, Inc. is an oilfield well construction tools manufacturing, services and repairs company headquartered in Oklahoma City. JA Oilfield conducts business and services customers in the mid-west and South-central oil and gas fields of the United States and several international locations. The company began business in 1981 manufacturing and repairing drilling and completions bottom hole assembly tools. JA Oilfield Manufacturing Inc. manufactures oil and gas drilling and well construction equipment offered in the following product line groups - Drilling Assurance (vibration and shock mitigation, pipe recovery), Hole Quality Enhancement, Active Bottom Hole Assembly (A-BHA) Components, Tubular Products, and Repairs. Products & Services: Non Mag Collars Stabilizers Hole Openers Drilling Jars Shock Tools Drilling Motors Drill Collar Inspection Drill Pipe Inspection Roller Reamers Nortrack Stabilizers Hardbanding