[Hugin]

The missive was signed by the heads of the North America’s Building Trades Unions; the Laborers’ International Union of North America; the International Union of Operating Engineers; the International Association of Heat and Frost Insulators and Allied Workers; the United Association Union of Plumbers, Fitters, Welders, and Service Technicians; the Operative Plasterers’ and Cement Masons’ International Association; the International Union of Elevator Constructors and the United Union of Roofers, Waterproofers, & Allied Workers.

Possible Trump endorsers.