Maggie joined AFSCME Council 65 as a Labor Representative in November 2023. She represents the following local unions:
- Local 0105-0093 Avera Marshall Medical Center
- Local 0105-0094 Sanford Health - Worthington
- Local 0105-0096 Superior Healthcare Management - Worthington
- Local 0578-0001 Cottonwood County
- Local 0578-0003 Mountain Lake City
- Local 0578-0005 Adrian School
- Local 0925-0000 Jackson County
- Local 1204-0009 Martin County
- Local 1500-0000 District Courts
- Local 1687-0005 Tracity City
- Local 1687-0008 Marshall City
- Local 1687-0012 Tyler City
- Local 2398-0000 Southwest Health and Human Services
- Local 2424-0001 Murray County
- Local 2424-0004 Slayton City
- Local 2424-0006 Murray County Medical Center
- Local 2558-0001, 0008 Nobles County
- Local 2558-0002, 0003, 0009 Rock County
- Local 2558-0004 Luverne City
- Local 2558-0006, 0007 Luverne Schools