What is All Local 39?

All Local 39 typically refers to the International Union of Operating Engineers (IUOE) Local 39, a labor union that represents stationary engineers and other workers in building operations, maintenance, and related fields. Members of Local 39 are employed in a variety of settings such as schools, hospitals, government buildings, and private facilities, where they operate and maintain heating, ventilating, air conditioning, and other mechanical systems. The union negotiates contracts, advocates for fair wages and safe working conditions, and provides training and apprenticeship programs for its members.