Md. Code, Business Occupations and Professions § 14–302

(a) An officer or employee of a corporation may practice engineering without a license if:

(1) the corporation is engaged in research and development engineering for the federal government; and

(2) the work of the officer or employee relates to that research and development engineering.

(b) An officer or employee of a corporation may practice engineering without a license if:

(1) the corporation is engaged in:

(i) manufacturing;

(ii) industrial processes;

(iii) industrial engineering; or

(iv) maintenance and repair of structures or equipment used in industrial processes or manufacturing; and

(2) the work of the officer or employee relates to the products or systems of the corporation or its subsidiaries or affiliates.

(c) An officer or employee of a corporation may practice engineering under this section only as the practice relates to the officer’s or employee’s work for the corporation.