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Holiday Hours and Closings:

For the Christmas Holiday, the offices will be closed Monday 12/24/18 and Tuesday 12/25/18, reopen Wednesday 12/26/18

For the New Year Holiday, the offices will close at noon on Monday 12/31/18 and will be closed on Tuesday 1/1/19, reopen Wednesday 1/2/19


Local 421 was chartered October 1, 1997 by The United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada through the consolidation of 5 different Locals in North and South Carolina. Local 421 is headquartered in Charleston, South Carolina and has satellite offices in Raleigh and Charlotte, North Carolina as well as Laurens, South Carolina, with training centers in each of our 4 locations

We continue to grow with a membership of approximately 1400 that includes approximately 100 Lead Burners represented throughout the United States.

Working to promote legislation that benefits all workingmen and women in North and South Carolina, we are dedicated to doing the best job possible. Through that, Local 421 has adopted the United Association "Standard for Excellence" platform; to meet the responsibilities to our employer and our fellow workers by, arriving on the job on time every day ready to work, adhering to start and stop times, providing highly skilled craftspeople, using and promoting Local Union and International Training and certification programs, zero tolerance substance abuse policy and by following safe, reasonable and legitimate management directives.


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Calendar of Events

December 2018
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Dates to Remember

"MTC is now accepting resumes for Welding Instructors"

Click on "Welder Testing Calendar" under Main Menu for details!

Be sure to check the "Calendar of Events" and also the "Training Center" for upcoming classes!

Thank you!