Medical Gas Systems November 10, 2025 - November 20, 2025 Plumbers & Steamfitters Local Union 33 Hall 2501 Bell Avenue, Des Moines November 10th – 13th & November 17th – 20th 5:00pm-9:00pm
Group 4 November 18, 2025 - November 21, 2025 Plumbers & Steamfitters Local Union 33 Hall 2501 Bell Avenue, Des Moines