Pros: benefits/job security is good for today's economy
Cons: depending on the manager, excessive micro-managing
I have been an employee for this company since 2005. Last year I was promoted to a new position, but Labcorp prefers for people to be drones and for them to stay in their place.
If you aren't looking to advance into your career, then its the perfect place to work. But if you are too ambitious, you may want to weigh other options.