The Department of Assessments and Taxation registers companies that do business in Maryland, issues business charters, registers trade names and provides information on other corporate matters.  

410-767-1184 or 888-246-5941 www.dat.state.md.us   

The Taxpayers Assistance Program through the Maryland Comptroller’s Office provides businesses with information about sales, income and withholding taxes.  

410-767-1300 or 800-492-1751 www.comp.state.md.us  

Licensing and regulatory services are provided for watermen, taxidermists, waterfowl operations, fur dealers, charter boats, tree experts, foresters, forest products operators and fisheries.  

877-620-8367 www.dnr.state.md.us/fisheries/commercial/index.html (for fisheries)
www.dnr.state.md.us/wildlife/wlandppermits.asp  (wildlife & plants)  

The Licensing Agents Initiative authorizes businesses to sell various licenses issued by the Department of Natural Resources (i.e. hunting, fishing) to the public.  

877-620-8367. www.dnr.state.md.us/service