Maryland Statutes
Subtitle 5 - Prohibited Acts; Penalties
Section 14-501.1 - Practicing Without Permit -- Corporation, Partnership, or Limited Liability Company

Except for a professional engineer who operates a business as a sole practitioner, a person may not operate a business through which engineering services are performed or offered to be performed unless:
        (1)    the business is a corporation, partnership, or limited liability company; and
        (2)    the corporation, partnership, or limited liability company holds a permit issued by the Board.