Alabama:
http://www.sos.state.al.us/business/corporations.cfm

Alaska:
http://myalaska.state.ak.us/business/

Arkansas:
http://www.sos.arkansas.gov/corp_ucc_business.html

Arizona:
http://starpas.cc.state.az.us/scripts/cgiip.exe/WService=wsbroker1/connect.p?app=names-report.p

California:
http://kepler.ss.ca.gov/list.html

Colorado:
http://www.sos.state.co.us/biz/InquiryMenu.do

Connecticut:
http://www.concord.sots.ct.gov/CONCORD/online?eid=99&sn=InquiryServlet

Delaware ($10.00 Fee)
http://www.state.de.us/corp/directweb.shtml

Florida:
http://ccfcorp.dos.state.fl.us/corpweb/inquiry/cormenu.html

Georgia:
http://www.ganet.org/services/corp/individual.html

Hawaii:
http://www.ehawaii.gov/dcca/bizsearch/exe/bizsearch.cgi

Idaho:
http://www.accessidaho.org/public/sos/corp/search.html?SearchFormstep=crit

Illinois:
http://cdsprod.ilsos.net/CorpSearchWeb/corpsrch.html

Indiana:
http://www.in.gov/sos/business/corps/searches.html

Iowa:
http://www.sos.state.ia.us/corp/corp_search.asp

Kansas:
http://www.accesskansas.org/srv-corporations/index.do

Kentucky:
http://sos.ky.gov/business/

Louisiana:
http://www.sos.louisiana.gov/app1/paygate/crpinq.jsp

Maine:
http://icrs.informe.org/nei-sos-icrs/ICRS;jsessionid=45DC82999CDB9AD8E8474BC421D42DCF?MainPage=x

Massachusetts:
http://corp.sec.state.ma.us/corp/corpsearch/corpsearchinput.asp

Michigan:
http://www.dleg.state.mi.us/bcs_corp/sr_corp.asp

Mississippi:
http://www.mississippi.gov/frameset.jsp?URL=http%3A%2F%2Fwww.sos.state.ms.us%2Farticle9%2Fforms.asp

Missouri:
http://www.sos.mo.gov/business/corporations/onlineServices.asp

Montana:
http://app.mt.gov/bes/

Nebraska:
https://www.nebraska.gov/sos/corp/corpsearch.cgi?nav=search

Nevada:
https://esos.state.nv.us/SOSServices/AnonymousAccess/CorpSearch/CorpSearch.aspx

New Hampshire:
https://www.sos.nh.gov/corporate/soskb/csearch.asp

New Jersey:
https://accessnet.state.nj.us/GatewayWatchNameSearch.asp

New Mexico:
http://www.nmprc.state.nm.us/corporations/corpsinquiry.htm

New York:
http://appsext5.dos.state.ny.us/corp_public/CORPSEARCH.ENTITY_SEARCH_ENTRY

North Carolina:
http://www.secretary.state.nc.us/Corporations/CSearch.aspx

North Dakota:
https://secure.apps.state.nd.us/sc/busnsrch/busnSearch.htm

Ohio:
http://serform2.sos.state.oh.us/servlet/page?_pageid=56,62&_dad=porthope&_schema=PORTHOPE

Oklahoma:
http://www.ok.gov/businessdir/businessdir.php

Oregon:
http://egov.sos.state.or.us/br/pkg_web_name_srch_inq.login

Pennsylvania:
http://www.dos.state.pa.us/DOS/site/default.asp

Rhode Island:
http://www2.corps.state.ri.us/corporations/corp_search/

South Carolina:
http://www.scsos.com/corp_search.htm

South Dakota:
http://www.state.sd.us/applications/st02corplook/corpfile.asp

Tennessee:
http://www.tennesseeanytime.org/soscorp/

Texas:
http://ecpa.cpa.state.tx.us/coa/Index.html

Utah:
https://secure.utah.gov/bes/action/index

Vermont:
http://www.sec.state.vt.us/seek/corpbrow.htm

Virginia:
http://www.scc.virginia.gov/division/clk/diracc.htm

Washington:
http://www.secstate.wa.gov/corps/

West Virginia:
http://www.wvsos.com/wvcorporations/

Wisconsin:
http://www.wdfi.org/apps/cris/

Wyoming:
http://soswy.state.wy.us/Corp_Search_Main.asp