Mechanical Trades Carolina is a nonprofit 501(c)(3) specializing in training plumbers, pipefitters, and HVAC technicians. We teach a wide variety of plumbing, pipefitting, and HVAC classes including welding, brazing, and certifications. Training is offered to all members of UA Local 421 through our apprenticeship and continuing education programs. We have 4 training centers throughout North and South Carolina. At these centers, you will find every skill and tool needed to work in the pipefitting industry. If you are a current member of UA Local 421 and are looking to sign up for a class or see our schedule please log in to the members-only section.   If you are not a member and are interested in joining please go to our Join Us page to get started.