Yes, Lockheed's Advanced Developmental Projects division (the Skunkworks) still operates.
The history of the F-117 goes like this:
Lockheed - Burbank (where they were built)
Groom Lake (classified operating location)
Tonopah (where they operated secretly for many years, and then semi-secretly after the program was acknowledged in the late 80s)
Holloman (where they operated from the early 90s until retirement)
Tonopah (where they are stored in non-flyable condition)
The history of the B-2 goes like this:
Palmdale (where they were built)
Whiteman (where they operate today)