Maryland Code, State Finance and Procurement § 18-102

(a)(1) This title applies to an employee of an employer for the duration of a contract subject to this title if at least one-half of the employee's time during any workweek relates to a State contract for services or a subcontract for services under a State contract.

(2) This title does not apply to an employee of an employer if the employee:

(1) for services needed immediately to prevent or respond to an imminent threat to public health or safety;

(2) with a public service company;

(3) with a nonprofit organization;

(4) between units; or

(5) between a unit and a county or Baltimore City.