HVAC Shop/Fabrication

Sheet metal workers sometimes exclusively, or in conjunction with field installation work, will fabricate, assemble, install, and repair sheet metal products and equipment, such as ducts, control boxes, drainpipes, and furnace casings. Work may involve setting up and operatin [...]


Welding is the most common way of permanently joining metal parts. In this process, heat is applied to metal pieces which melts and fuses them to form a permanent bond. Because of its strength, welding is used in shipbuilding, automobile manufacturing and repair, aerospace an [...]

Passenger Rail/Commuter Rail & Transit

Whether it’s light rail or heavy rail, across the city or a long haul across the country, SMART members get people where they want to go by operating passenger service on the nation’s rails. Learn about our roles in passenger rail. Learn about our roles in transit [...]


Lagging is the finishing material (such as steel, aluminum, or other materials) used to cover many types of insulation, especially on large flat surfaces such as boiler walls, flues, ducts, precipitators, selective catalytic reduction systems, baghouses, wind boxes or fans. I [...]

Freight Rail

SMART TD, with more than 450 locals in the U.S., has more members than any other railroad labor union and holds some of the best freight rail contracts in North America. It is the only labor union that has united various operating crafts while protecting craft autonomy and ha [...]

CAD, Drafting and Detailing

You will work with project documents and plans and specifications, take field measurements, and create 3-D digital drawings that are transferred into a Building Information Model (MIM) system that is used to help manage a project.  BIM is taught at many local training ce [...]

HVAC Installation

HVAC stands for heating, ventilation, and air conditioning. In this field, you will work on high-volume mechanical systems. These systems deliver heated and cooled air to commercial buildings such as schools, hospitals, airports, factories and office buildings. Visit this lin [...]


SMART represents bus operators and mechanics in 12 states. Operators’ duties vary, depending on whether they drive local buses in cities and suburbs, intercity buses, long-distance buses between states, charter buses on tours or school buses. Bus mechanics usually are e [...]