Maryland Business Occupations and Professions Section 14-302
§ 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.