Secretary of State: http://www.sec.state.ma.us/cor/coridx.htm

Contact info:

Phone: (617)727-9640
Toll Free: 1-800-392-6090
TTY: (617) 878-3889
Fax: (617)742-4538
Email: corpinfo@sec.state.ma.us

Physical Address:

Corporations Division
Secretary of the Commonwealth
One Ashburton Place, 17th Floor
Boston, MA 02108

Name search: http://corp.sec.state.ma.us/corp/corpsearch/corpsearchinput.asp
Corporation forms: http://www.sec.state.ma.us/cor/Functionality/DownloadForm.htm
Filing fees: http://www.sec.state.ma.us/cor/corfees.htm
Department of Revenue: http://www.mass.gov/?pageID=dorhomepage
Department of licensing: http://www.mass.gov/