The bureau shall consist of the following:
a. Inspectors appointed and trained by the superintendent. Inspectors shall not be subject to the provisions of Title 11 of the Revised Statutes and shall be removable by the superintendent at will for the first three years, but thereafter each inspector shall serve during good behavior and shall not be removed except for cause. Prior employment as an inspector in the Division of Alcoholic Beverage Control in the Department of Law and Public Safety shall be included in determining tenure pursuant to this subsection.
b. Clerical and other employees appointed by the superintendent as he may deem necessary, who shall be subject to the provisions of Title 11 of the Revised Statutes.