Md. Code, State Finance and Procurement § 15–109

(a) At reasonable times an inspection may be conducted of a plant, place of business, or job site of:

(1) a bidder or offeror seeking a procurement contract;

(2) any contractor under a procurement contract;

(3) a subcontractor under a procurement contract; or

(4) a prospective subcontractor of:

(i) a bidder or offeror seeking a procurement contract; or

(ii) a contractor under a procurement contract.

(b) An inspection under this section may be conducted by:

(1) the Department of Legislative Services;

(2) the unit engaged in procurement; or

(3) as authorized by law, any other unit.