Ohio contractor license check:
Verify an Ohio electrical, HVAC, hydronics, plumbing, and refrigeration contractor license here.
Check the Ohio company Licensee using this on-line service.
For more information go to "Where to complain about plumber or contractor in Ohio".
Oklahoma contractor license check:
Verify Oklahoma electrical, plumbing, and mechanical contractor license using this online service.
Find Oklahoma roofing contractors registration information here.
For more information go to "Where to complain about plumber or contractor in Oklahoma".
Oregon contractor license check:
Verify an Oregon electrical, plumbing, and other contractor license using this online service. You will also be able to see complaints filed against your contractor and CCB disciplinary actions.
For more information go to "Where to complain about plumber or contractor in Oregon".
Pennsylvania contractor license check:
Rhode Island contractor license check:
Verify Rhode Island contractor registration use this online service. You may also find a list of contractors with suspended, revoked, and with pending violations.
Check Rhode Island plumber, electrician, or other professional license using this online service.
For more information go to "Where to complain about plumber or contractor in Rhode Island".
South Carolina contractor license check:
Verify South Carolina contractor's (including plumbers, electricians, HVAC, etc.) license using this online service. Find if there were any disciplinary actions against South Carolina plumber or other contractor here.
For more information go to "Where to complain about plumber or contractor in South Carolina".