Includes Employees of Cities and Towns; Non-Professional School Department Employees (meaning those employees of a School Department who do not fall under the definition of 'certified teacher' as contained in RI General Law 28-9-3.2); and Employees of Authorities, all of which are defined by the Municipal Employees Arbitration Act; specifically, RI General Law 28-9.4-2; which states, at subsection (b):

"'Municipal Employee' means any employee of a municipal employer, whether or not in the classified service of the municipal employer, except:
(1) Elected officials and administrative officials;
(2) Board and commission members;
(3) Certified teachers, police officers, and firefighters;
(4) Confidential and supervisory employees;
(5) Casual employees, meaning those persons hired for an occasional period to perform special jobs or functions;
(6) Seasonal employees meaning those persons employed to perform work on a seasonal basis of not more than sixteen (16) weeks, or who are part of an annual job employment program;
(7) Employees of authorities except housing authorities not under direct management by a municipality who work less than twenty (20) hours per week. The State Labor Relations Board shall, whenever requested to do so, in each instance, determine who are supervisory, administrative, confidential, casual, and seasonal employees."