Protect and serve our membership, building an honorable level of accountability and trust within our ranks.
Enlighten everyone that our professional ethics are an enduring benefit that fosters new ideas and community growth.
Provide high-quality craftsmen to our contractors in a timely manner, enabling them to engage in a competitive market.
New Office Hours
Monday - Friday
8 am - 4:30 pm
Staff available until 5:00 pm
Reopen for Applications
Applications will be accepted on the last Tuesday of each month from 1 - 4 pm at the Application Window.
New Office Protocol for Out of Work List Due to COVID-19
If you need to sign the out of work list please visit our office in person or text the Business Agent or
(909) 825-0359. Include your name, contractor you worked for and your last day worked. We will add you to the out of work list.
Colton Weld Bay is Now Open
Appointments for welding and brazing practice and/or testing are no longer required.
Colton Welding and Brazing:
Tuesdays: 7AM to 9PM
Wednesdays: 7AM to 4PM (TEST DAY)
Thursdays: 7AM to 9PM
Fridays: 7AM to 4PM
Saturdays: 7AM to 3PM