This title does not limit the right of:
(1) an individual to appear on the individual’s own behalf before a court or other unit of the State government;
(2) a title insurance company to examine and to insure titles to real property;
(3) a collection company to engage in the business of collecting or adjusting commercial claims; or
(4) a lawyer who is employed on a regular salaried basis by a corporation to represent the corporation before a court or other unit of the State government.