Md. Code, State Finance and Procurement § 18–101

(a) In this title the following words have the meanings indicated.

(b) “Commissioner” means the Commissioner of Labor and Industry.

(c) (1) “Employer” means a contractor or subcontractor that has a State contract for services valued at $100,000 or more.

(2) “Employer” does not include a contractor or subcontractor that:

(i) employs 10 or fewer employees; and

(ii) has a State contract for services valued at less than $500,000.

(d) “Living wage” means an hourly wage set as provided under § 18–103 of this title.

(e) “Tier 1 area” includes Montgomery County, Prince George’s County, Howard County, Anne Arundel County, Baltimore County, and Baltimore City.

(f) “Tier 2 area” includes any county in the State not included in the Tier 1 area.