N.B. This page contains resources I discovered while starting my business that seem like they may be useful. They are provided for information only: I have not used the vast majority of them and cannot vouch for any of them. Caveat emptor!
FindLaw.com | Professional resources
Cornell University Legal Information Institute
NOLO.com
Lawyers.com - legal information, find a lawyer
Starting a Business (IRS)
List of state business web sites
DBA (Trade Name) filing requirements by state
U.S. Small Business Administration (SBA)
Small Business Owner's Toolkit
The Company Corporation LLC.com
MyLLC.com
myLLCAgreement.com
Corporation Services Company (CSC) [free web seminars]
BizFilings.com
MyUSAcorporation.com
StartupLegal
How to select a state for incorporation
Where to form your entity?
OK Secretary of State
Procedures for registering a foreign LLC in OK
Oklahoma Public Legal Research System
OK Dept. of Commerce downloads
Legal Structures for OK Small Businesses
Legal Guide to Doing Business in OK
Starting a Business - Who to Call (OK Dept. of Commerce)