License Lookup for Professional Engineers in US states

• Alabama: http://www.alabama.gov/sliverheader/Welcome.do?url=http://bels.alabama.gov/LicenseeSearch/searchmenu.asp
• Alaska: http://commerce.alaska.gov/occ/OccSearch/main.cfm
• Arizona: http://www.btr.state.az.us/listings/professional_registrant2.asp
• Arkansas: http://www.arkansas.gov/pels/search/search.php
• California: http://www.pels.ca.gov/consumers/lic_lookup.shtml
• Colorado: https://www.colorado.gov/dora/licensing/Lookup/LicenseLookup.aspx
• Connecticut: https://www.elicense.ct.gov/
• District of Columbia: http://www.pearsonvue.com/dc/engineers/
• Florida: https://www.myfloridalicense.com/wl11.asp
• Georgia: https://secure.sos.state.ga.us/myverification/Search.aspx
• Hawai'i: http://pvl.ehawaii.gov/pvlsearch/app
• Idaho: http://ipels.idaho.gov/rostersearch.cfm
• Illinois: https://www.idfpr.com/licenselookup/LicenseLookup.asp
• Indiana: https://mylicense.in.gov/EVerification/Search.aspx
• Iowa: https://eservices.iowa.gov/licensediniowa/index.php?pgname=pubsearch
• Kansas: http://www.kansas.gov/roster-search/index.html
• Kentucky: http://apps.kyboels.ky.gov/SearchableRoster.aspx
• Louisiana: http://www.lapels.com/
• Maine: https://www1.maine.gov/professionalengineers/roster.html
• Maryland: http://www.dllr.state.md.us/license/pe/
• Massachusetts: http://license.reg.state.ma.us/public/licque.asp
• Michigan: https://www2.dleg.state.mi.us/colaLicVerify/
• Minnesota: http://www.aelslagid.state.mn.us/roster.html
• Mississippi: http://www.pepls.state.ms.us/pepls/web.nsf
• Montana: http://licenselookup.mt.gov/
• Nebraska: http://www.ea.ne.gov/search/search.php
• Nevada: http://www.nvboe.org/rosters/
• New Hampshire: https://nhlicenses2.nh.gov/cgi-bin/professional/nhprof/search.pl
• New Jersey: http://www.njconsumeraffairs.gov/pels/pelroste.pdf
• New Mexico: http://www.sblpes.state.nm.us/peps.html
• New York: http://www.op.nysed.gov/opsearches.htm
• North Carolina: http://www.ncbels.org/engineers.html
• North Dakota: http://ndpelsboard.org/search/
• Ohio: http://www.peps.ohio.gov/LicenseLookup.aspx
• Oklahoma: https://www.ok.gov/pels/search/search.php
• Oregon: http://www.oregon.gov/OSBEELS/Pages/Search_License.aspx
• Pennsylvania: http://www.licensepa.state.pa.us/
• South Carolina: http://www.llr.state.sc.us/pol.asp
• Tennessee: http://verify.tn.gov/
• Texas: http://www.tbpe.state.tx.us/search.php
• Utah: https://secure.utah.gov/llv/search/index.html
• Vermont: https://secure.vtprofessionals.org/
• Virginia: http://www.dpor.virginia.gov/LicenseLookup/
• Washington: https://fortress.wa.gov/dol/dolprod/bpdLicenseQuery/
• Wisconsin: http://online.drl.wi.gov/LicenseLookup/IndividualCredentialSearch.aspx
• Wyoming: http://engineersandsurveyors.state.wy.us/roster/rosterSearch.aspx
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Others:

• Puerto Rico: http://app.estado.gobierno.pr/JEOnline/JEOnLine.aspx
• Ontario, Canada
• US Patent Attorney/Agent Search
• A list of Architecture Boards: http://www.areforum.org/boards.htm