Md. Code, Business Occupations and Professions § 14–502

Unless authorized under this title to practice engineering without the supervision required under § 14-303 of this title, a person may not represent to the public, by use of a title, including “engineer”, “professional engineer”, “licensed engineer”, or “registered engineer”, by use of the term “engineering” in the name of the person’s business activity, by description of services, methods, or procedures, or otherwise, that the person is authorized to practice engineering in this State.