Consulting
There definitely should be more here.
Government Contracting
Let's start things off with "Government Contracting" is hard. It takes a lot of knowledge, experience and effort to become approved as a vendor for any given state or federal entity.
The Knowledge Institute for Small Business Development, run by my friends Dr. Deborah Osgood and husband Dr. William Osgood, offers a wealth of great resources and experience to draw from.
Govt. Contracting Resources
There is an entire industry to help you (lighten your wallet) in the pursuit of Federal and State dollars.