ARKANSAS
Corporations http://www.sosweb.state.ar.us/corps/incorp/
UCC http://www.sosweb.state.ar.us/corp_ucc.html (no online search)

CALIFORNIA
Corporations http://kepler.ss.ca.gov/list.html
UCC http://www.ss.ca.gov/business/ucc/ucc.htm (no online search)

COLORADO
Corporations http://www.sos.state.co.us/pubs/business/main.htm
UCC http://www.sos.state.co.us/pubs/business/main.htm (requires account set up)

CONNECTICUT
Corporations http://www.concord-sots.ct.gov/CONCORD
UCC http://www.concord-sots.ct.gov/CONCORD

DELAWARE
Corporations https://sos-res.state.de.us/tin/GINameSearch.jsp
UCC http://www.state.de.us/corp/uccsearch.shtml  (no online search)

FLORIDA
Corporations http://www.sunbiz.org/index.html
UCC http://www.sunbiz.org/ucc_info.html

GEORGIA
Corporations http://www.sos.state.ga.us/corporations/corpsearch.htm
UCC http://www.gsccca.org/search/UCC_Search/default.asp (limited guest access)

HAWAII
Corporations http://www.ehawaiigov.org/DCCA/biz-name/
UCC No online search

IDAHO
Corporations http://www.accessidaho.org/public/sos/corp/search.html?SearchFormstep=critl
UCC https://www.accessidaho.org/secure/sos/liens/search.html

ILLINOIS
Corporations http://www.cyberdriveillinois.com/departments/business_services/corp.html
UCC http://www.cyberdriveillinois.com/departments/business_services/uniform_commercial_code/home.html(no online search)

INDIANA
Corporations https://www.ai.org/sos/bus_service/online_corps/default.asp
UCC https://www.ai.org/sos/bus_service/online_ucc/welcome.asp

IOWA
Corporations http://www.sos.state.ia.us/Search/corp/corp_search.asp
UCC http://www.sos.state.ia.us/Search/UCC/search.aspx?ucc

KANSAS
Corporations http://www.accesskansas.org/apps/corporations.html
UCC http://www.kssos.org/business/business_ucc.html (fee service)

KENTUCKY
Corporations http://apps.sos.ky.gov/business/obdb/
UCC http://sos.ky.gov/business/ucc/

LOUISIANA
Corporations http://www400.sos.louisiana.gov/app1/paygate/crpinq.jsp
UCC http://www.sos.louisiana.gov/tabid/99/Default.aspx (fee service)

MAINE
Corporations http://www.informe.org/icrs/ICRS
UCC https://www.informe.org/ucc/search/begin.shtml

MARYLAND
Corporations http://sdatcert3.resiusa.org/ucc-charter/CharterSearch_f.aspx
UCC http://sdatcert3.resiusa.org/ucc-charter/

MASSACHUSETTS
Corporations http://corp.sec.state.ma.us/corp/corpsearch/corpsearchinput.asp
UCC http://corp.sec.state.ma.us/corp/psearch/default.asp

MICHIGAN
Corporations http://www.cis.state.mi.us/bcs_corp/sr_corp.asp
UCC http://www.michigan.gov/sos/0,1607,7-127-1631_8851---,00.html (no online search, information on phone searches)

MINNESOTA
Corporations http://da.sos.state.mn.us/minnesota/home/dahome.asp
UCC http://da.sos.state.mn.us/minnesota/home/dahome.asp (most searches are not free)

MISSISSIPPI
Corporations http://www.sos.state.ms.us/busserv/corp/soskb/csearch.asp
UCC http://www.sos.state.ms.us/busserv/ucc/ucconlineNew.asp

MISSOURI
Corporations https://www.sos.mo.gov/BusinessEntity/soskb/csearch.asp
UCC http://www.sos.mo.gov/ucc/soskb/searchstandardRA9.asp (No online search)

MONTANA
Corporations http://app.mt.gov/bes/
UCC http://app.mt.gov/uccs/ (Subscription service)

NEBRASKA
Corporations https://www.nol.org/sos/corp/corpsearch.cgi?nav=search
UCC http://www.sos.state.ne.us/business/ucc/(fee service)

NEVADA
Corporations https://esos.state.nv.us/SOSServices/AnonymousAccess/CorpSearch/CorpSearch.aspx
UCC https://esos.state.nv.us/nvucc/ucc/ (no online search)

NEW HAMPSHIRE
Corporations https://www.sos.nh.gov/corporate/soskb/csearch.asp
UCC https://www.sos.nh.gov/uccegov/ (fee service)

NEW JERSEY
Corporations https://accessnet.state.nj.us/home.asp  (Only a business name search, fee for more information)
UCC https://accessnet.state.nj.us/home.asp

NEW MEXICO
Corporations http://www.nmprc.state.nm.us/cii.htm
UCC http://secure.sos.state.nm.us/ucc/soskb/SearchStandardRA9.asp

NEW YORK
Corporations http://appsext8.dos.state.ny.us/corp_public/corpsearch.entity_search_entry
UCC http://www.dos.state.ny.us/corp/corpwww.html (no online search)

NORTH CAROLINA
Corporations http://www.secretary.state.nc.us/corporations/
UCC http://www.secretary.state.nc.us/ucc/soskb/SearchStandardRA9.asp

NORTH DAKOTA
Corporations https://secure.apps.state.nd.us/sc/busnsrch/busnSearch.htm
UCC http://www.nd.gov/sos/businessserv/centralindex/lieninfo/search.html (fee service)

OHIO
Corporations http://www.sos.state.oh.us/sos/businessservices/corp.aspx
UCC http://www.sos.state.oh.us/sos/ucc/ucc.aspx

OKLAHOMA
Corporations https://www.sooneraccess.state.ok.us/home/home-default.asp
UCC http://www.oklahomacounty.org/coclerk/ucc/default.asp

OREGON
Corporations http://www.filinginoregon.com/businessnamesearch/index.htm
UCC http://ucc.sos.state.or.us/ucc/soskb/SearchStandardRA9.asp

PENNSYLVANIA
Corporations https://www.dos.state.pa.us/corpsapp/corpsweb/wfdefault.aspx
UCC https://www.dos.state.pa.us/ucc/uccfreesearch/search/wfSearchParameterInput.aspx?corpsNav=|

RHODE ISLAND
Corporations http://ucc.state.ri.us/CorpSearch/CorpSearchInput.asp
UCC http://ucc.state.ri.us/psearch/

SOUTH CAROLINA
Corporations http://www.scsos.com/corp_search.htm
UCC http://www.scsos.com/Uniform_Commercial_Code.htm (no online search)

SOUTH DAKOTA
Corporations http://www.state.sd.us/applications/st02corplook/ASPX/ST32Main.aspx
UCC http://www.sdsos.gov/busineservices/ucc.shtm (fee service)

TENNESSEE
Corporations http://www.state.tn.us/sos/bus_svc/corporations.htm
UCC http://www.state.tn.us/sos/bus_svc/ucc.htm

TEXAS
Corporations http://ecpa.cpa.state.tx.us/coa/Index.html
UCC http://www.sos.state.tx.us/corp/sosda/index.shtml (fee service)

UTAH
Corporations http://www.utah.gov/serv/bes
UCC http://www.utah.gov/commerce/ucc/ (fee service)

VERMONT
Corporations http://www.sec.state.vt.us/seek/corpseek.htm
UCC http://www.sec.state.vt.us/seek/ucc_seek.htm

VIRGINIA
Corporations http://www.state.va.us/scc/division/clk/diracc.htm (service not Windows based)
UCC http://www.state.va.us/scc/division/clk/diracc.htm (service not Windows based)

WASHINGTON
Corporations http://www.secstate.wa.gov/corps/search.aspx
UCC http://www.dol.wa.gov/business/UCC/uccoverview.html (no free searches)

WEST VIRGINIA
Corporations http://129.71.220.230/wvcorporations/
UCC http://www.wvsos.com/ucc/main.htm (no online search)

WISCONSIN
Corporations http://www.wdfi.org/corporations/crispix/default.asp
UCC http://www.wdfi.org/ucc/search/

WYOMING
Corporations http://soswy.state.wy.us/corporat/corporat.htm
UCC http://soswy.state.wy.us/uniform/uniform.htm (fee service)