According to the National Commission for the Certification of Crane Operators, 24 states or municipalities have licensing and/or certification laws in place:

States include California, Connecticut, Hawaii, Maryland, Massachusetts, Minnesota, Montana, Nevada, New Jersey, New Mexico, New York, North Carolina, Oregon, Pennsylvania, Rhode Island, Utah, Washington and West Virginia.

Cities include Chicago; New Orleans; New York; Omaha, Neb.; Philadelphia; and Washington, D.C.

This Web exclusive information is a supplement to OSHA's robust agenda.