When a company sells stock for the first time, it must file a s-1 form with the SEC. This form explains how the company will make money - its business plan. Using SEC EDGAR Database:
Quickest way to do this: Go to EDGAR:
Now, one thing you can also do is go to the Edgar advanced search screen and type in a keyword (insurance, computers, etc.) and s-1. This should get you closer to browsing S-1 plans in your field.
Austin Business Journal- See what new businesses opened in the Austin area (and closed), who's hiring and expanding, and profiles of local business people.
Michael Porter's Competitive Strategy is a crucial book about analyzing your industry and your competition.
Entrepreneur Magazine - Profiles of new businesses and successful entrepreneurs
San Antonio Business Journal - San Antonio new businesses, expansions and successful businesspeople. See what they're doing.