Colorado Colorado Flag
General construction contractors in Colorado are not licensed by the state. Unfortunately, you must scour each local level jurisdiction. Colorado, however, picks up a few dollars from required permits for electricians and plumbers. The question that begs to be answered is if an erector plumbs and tensions a tower, does he become a plumber, and therefore require a license?
To find out if an electrician is licensed in Colorado, click on 

Colorado SealOut-of-State Corporations
Out-of-state corporations must get a Certificate of Authority to do business in Colorado from the Colorado Secretary of State. To obtain an application,  click here .