Wasatch
berry blaster, hightop, mossback, and Hightop are all great choices. All of them could help you and do well on any of the seasons
Manti
Goochs guide service (Lives on the unit good track record of big bulls) , APEX (Jace Guymon lives on the unit recently killing great bulls), and mossback has a good resume on the manti.
SW desert
Jason Carter epic outdoors and mossback both capable of killing great bulls on each season
Boulder
DC outfitters (early hunts not sure how much time he guides on late tags), Bronson outfitting( early hunts), Alpha outfitters (Early and Late Hunts some local boys guide for them and know that unit very well in all seasons), North Rim Outfitters has done well on the unit. all great choices and all spend alot of time.
Fishlake
Albrecht Outfitting is currently doing well on that unit. Hightop spends some time their as well.
Panguitch Lake or Mt. Dutton
Jake Bess would be the way to go
The expo is this week if you could make it down you could pick most of these peoples brains. Or look them up and find out pricing and availability.