Md. Code, Bus. Reg. § 17-201

(a) In this subtitle, “license” means a license issued by a clerk under this title. (b) In this subtitle, “license” includes: (1) a construction license issued under Subtitle 6 of this title; (2) a nonresident construction license issued under Subtitle 6 of this title; (3) a garage license issued under Subtitle 8 of this title; (4) a peddler license issued under Subtitle 9 of this title; (5) a Calvert County magazine seller license issued under Subtitle 9 of this title; (6) a junk dealer or scrap metal processor license issued under Subtitle 10 of this title; (7) an agent license issued under Subtitle 10 of this title; (8) a Calvert County junk dealer or scrap metal processor license issued under Subtitle 10 of this title; (9) a license to do the business of cleaning, dyeing, pressing, or laundering on–site issued under Subtitle 11 of this title; (10) a storage warehouse license issued under Subtitle 12 of this title; (11) a promoter license issued under Subtitle 14 of this title; (12) a restaurant license issued under Subtitle 16 of this title; (13) a trader’s license issued under Subtitle 18 of this title; (14) a chain store license issued under Subtitle 17A of this title; and (15) a vending machine license issued under Subtitle 19 of this title.