Comma-separated two-letter states to search. Supported: WA (Washington L&I plus the City of Seattle), OR (Oregon CCB and Building Codes Division), NY (New York State DOL contractor, elevator and mold registries, plus NYC Buildings and Consumer & Worker Protection), CT (Connecticut Dept. of Consumer Protection — home improvement, new home construction, electrical, plumbing, heating and cooling, sheet metal, fire protection, elevator and more), CA (City of Los Angeles registered construction and specialty-trade businesses), CO (Colorado DORA electrical and plumbing), TX (Texas Department of Licensing and Regulation statewide, plus the City of Dallas register), IL (Illinois DPH asbestos and lead, plus City of Chicago home repair), LA (City of New Orleans occupational licences held by building trades), MO (City of Kansas City business licences held by building trades), MD (Montgomery County electrical, journeyman electrician and fire systems), DE (Delaware DNREC water-well contractors and Delaware Division of Professional Regulation trades).