HOUSTON--(BUSINESS WIRE)--J.A.M. Distributing Company ("J.A.M."), a portfolio company of Ridgemont Equity Partners, today announced that a newly formed affiliate has signed a definitive agreement to acquire substantially all of the assets of Jones Oil, Inc. ("Jones Oil") and J.B. Jones Enterprises, Inc. d/b/a High-Tech Equipment ("High Tech"). Based in Houston, Jones Oil is a marketer and distributor of lubricants, fuel, and ancillary products to automotive shops, industrial facilities, and pri