General construction contractors don't need a license to work in Maryland. You will need a license to do electrical contracts and you must display a strong disinterest in the world's most beautiful sailing ships; otherwise, project timelines are going to head south.
Check local jurisdictions for licensing requirements.
To find out if an electrician is licensed to do work in Maryland, go to Electrical Licenses .
Out-of-state corporations must file an application with Maryland's State Department of Assessments and Taxation by clicking here .