I think this section might apply to you. I couldn't find the official definition of express company, but it most likely applies to you.
IC 35-47-2-2
Excepted persons
Sec. 2. Section 1 of this chapter does not apply to:
(1) marshals;
(2) sheriffs;
(3) the commissioner of the department of...
That might be possible, just call up the ISP and see what they say. I went through the process using the local L1 and from start to finish it only took me 8 days to get my license (8-16 Aug).
If your still looking, consider the Walther PPQ. I just got one and love it. Just get one in your hands and it will feel like home. Check out that trigger. Best striker fire trigger ever!
I have a PPQ .40 S&W and love it. I use it for my EDC with no problem. The weight is great and it's certainly not too big to carry (at least for me. I'm 6 ft 215 lbs). The ergonomics are wonderful. I've only had it for a couple of weeks now, but I think my PPQ and I are going to get along...