RJD Management Co., Inc., Lou Diekemper (Royalty Member) Share: RoyaltyA Full Membership Category RJD Management Co., Inc., Lou Diekemper (Royalty Member) P.O. Drawer 2130 Lubbock, TX 79408 (806) 762-4186 (806) 762-8453 (fax) Rep Info Map Whom to Contact Lou Diekemper Phone: (806) 762-4186 What's Nearby? Distance: 5 10 15 20 25 50 mi.