Yeah there are a number of extremely viable choice band users in the current OU metagame that are left out in the OP.
CB Dragonite is as amazing as ever. With stealth rock so easy being able to remove this gen, dragonite finds ample opportunities to abuse its multiscale and scare out opposing pokes. extremespeed is a godsend on a cb user, and with dragonite's naturally high attack, it can revenge numerous mons. CB outrage also really hurts a lot, and despite the existance of fairies, there are actually a shitton of teams that are surprisingly weak to outrage spam because no one expects it anymore. right now i believe that the best set is espeed/outrage/fire punch/eq just cuz it hits mega mawile hard on the switch in, but superpower can be used if you really wanna nail mega ttar or balloon exca on the switch in. another interesting option is ice punch, which can be used if you are really getting fustrated with landorus-t and shit.
CB azumarill. This thing is as amazing as ever. Its new fairy typing gives it so many new resistances so it has the ability to switch in numerous times throughout the match. its a good thing to send out against conk, ttar, mandibuzz, dragonite, charizard X, etc. nothing really likes getting hit by a play rough unless you're super bulky and you resist the move like skarm or mega venu or some shit. aqua jet/play rough/waterfall/superpower is pretty much the standard set right now, and for good reason, but since ferro is becoming extremely less common lately, another amazing option is knock off. it hits super hard and removes the foe's item which is always helpful. if you dont care about ferro, knock off is something to consider.
Cb Terrakion is good at all, although it really lost a lot of its effectiveness this gen. Its still super good tho. With its great typing and decent bulk, if you have ok prediction, you can basically make it a liability for your opponent to have heatran/ttar/chansey or something by switching to it every time they switch to that. they wont like having something on their team getting hit by a hard CC/stone edge. earthquake is pretty much non negotiable on the third moveslot just cuz Aegi is super common and is such a huge bitch. The fourth move is usually the most replacable; prolly the most common move is quick attack to revenge kill really weakened stuff, but ive seen players use stuff like sacred sword and rock slide as well. I personally really like using facade for that slot, this way, if you accidentally get burned by a rotom-w or something, its still bad, but its not the end of the world.
Moving on to some rather uncommon (and BL!) pokes, we have staraptor and diggersby, and crawdaunt. ive used all of them and they're pretty solid. for staraptor the best moveset would definitely have to be double edge/brave bird/close combat/u turn. it hits so freaking hard and its biggest perk is doing a shitload of damage to rotom-w, or outright KOing it if its even slightly weakened. stall will also have some trouble tanking hits from this thing unless they have a skarm. its so easy to pair this thing up with talonflame and just let the birds wreak havoc.
diggersby also hits quite hard, EQ and return can do massive damage to most threats. it gets wild charge which really helps it since now skarm doesnt wall you to hell and back anymore. oh and it also gets quick attack, if you really, really need something to be revenged.
And then crawdaunt, holy shit. with a CB, its knock off is sooo strong. if venusaur hasn't mega evolved yet, you can potentially 2HKO it with a cb knock off if its not physically bulky, which is insane. crabhammer does a shitload of damage too. Adaptability just makes this thing sooo strong and its really underrated imo. Aqua jet is self explanatory, and its a really good poke to switch in on stuff like chansey and hippo or something because then, its almost guaranteed that something on the opposing team will go down, or at least be 2hkoed. oh btw, with max speed and an adamant nature, you can outspeed minimum speed rotom-w and 2hko the fucker with knock off before you get burned or volt switched or whatever.
and thats all i have. im prolly missing some other good ones, like CB garchomp or CB ttar or something, but i havent used those yet to write enough about them. ill let somebody else do that, but im sure there are definitely some other really good ones ^.^