Makadi Safari's were very good and can do custom tours to Etosha, Watersberg Plateau, Skeleton Coast or Caprivi after the hunt. https://www.makadi-safaris.com/

Jack & Ellen OConner hunted with them a couple of times. That was a good enough reference for me but check anyway. Dieter usually goes to a couple of the Safari Club annual events: Dallas & Las Vegas and some others so you may be able to speak to him personally. They have several Rances and concessions so should be able to work you in.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli