The International Union of Operating Engineers (IUOE) is a progressive, diversified trade union that primarily represents operating engineers, who work as heavy equipment operators, mechanics, and surveyors in the construction industry, and stationary engineers, who work in operations and maintenance in building and industrial complexes, and in the service industries. IUOE also represents nurses and other health industry workers, a significant number of public employees engaged in a wide variety of occupations, as well as a number of job classifications in the petrochemical industry (https://www.iuoe.org/). This collection focuses on Local 487, based in Miami, FL, and their minutes and bylaws from 1911 to 2012.

Founded in 1995 as the Human Services Coalition by Daniella Levine, Catalyst Miami is a non-profit community activist group. Utilizing a vast network of partner organizations and numerous initiatives, Catalyst seeks to equip the socially disadvantaged with financial and healthcare information, public benefits, and educational and economic opportunities. Through programs such as the Prosperity Campaign and Public Allies, Catalyst Miami promotes self-sufficiency, participation in civic life, organizational strength and respect.

This collection contains seven series including: Administrative Files, Initiatives, Conference Materials, Audiovisual Materials, and more. Within these series are various forms of correspondence, training materials, schedules and agendas, promotional materials, newspaper articles and photographs. The documents help reveal the social activist nature of the organization and shed light on some of the many accomplishments it has made through the years.