Sprinkler Fitters 550 is an educational and reference app developed by Local Union 550. Designed for iPhone users, this free app serves as a platform for licensed journey-persons and apprentices working in the fire protection industry in the Greater Boston area. With over 100 years of existence, Sprinkler Fitters Local Union 550 aims to efficiently share information with its members and communicate with unrepresented workers in the industry.

The app provides a convenient way for members to access relevant resources and stay up-to-date with the latest news and updates from the organization. It offers a range of features including information sharing, communication tools, and access to educational materials. Sprinkler Fitters 550 is a valuable tool for fire protection professionals, facilitating knowledge exchange and fostering a sense of community within the industry.