You'll find the following in the Maryland Code, under Transportation, §16-106:
Evidently, the Maryland General Assembly believes that the MVA needs to know for whom you work in order to determine whether you are a legal resident of Maryland capable of safely operating a motor vehicle.(a) Each application for a driver’s license shall be made on the form that the Administration requires. (b) The application shall state: (1) The full name, Maryland residence address, employer, race, sex, height, weight, general physical condition, and date of birth of the applicant; [emphasis added]
This repulsive change to the law, which was passed in April 2003 and took effect in October 2003, was House Bill 838. The bill page lists the sponsors, and has links to how Delegates and Senators voted.