We have found these links to be extremely helpful over the years. We think that you may as well.
http://www.uscis.gov
This is the official page for Immigration and Naturalization Services. From checking the status of your case to general information, this website will answer some of your questions.
http://www.azcc.gov/
This is the official website for Arizona Corporation Commission. You can check name availability, forms available, upcoming events and much more.
http://www.azag.gov/
This is the website to the Attorney General's office. If you are in need of help, there are many resources available through this website.
http://www.re.state.az.us/
This is the website for Arizona Department of Real Estate.
http://azsos.gov/
This is the website for Arizona Secretary of State office.v
http://www.CaileanCPA.com/
This is the web site for one of the best and prestigious CPA firms in the valley. They specialize in business and take care of bookkeeping, sales tax, payroll, accounting, QuickBooks, income tax and business consulting.
http://houseinphoenix.com/
For all of your real estate needs.