Penair = Good QOL, pay, management, happy employees, day schedules (no layovers) beautiful summer flying, skiing and the best Salmon fishing anywhere!
Cons: Tourists from New York! (those from Alaska know what I mean!)

SkyWest = Good (western) Bases, management, happy employees. fast upgrades.

Horizon = Great Bases, happy employees (captains), con: SLOW Upgrades!

Yeah I'm a Westerner. Pardner!