Current member
Senate
SD
Republican
Current member
Senate
SC
Republican
Current member
Senate
NH
Democrat
Former member
Senate
MT
Democrat
Former member
Senate
MD
Democrat
Current member
Senate
CO
Democrat
Former member
Senate
PA
Democrat
Former member
Senate
ND
Democrat
Current member
Senate
MI
Democrat
Former member
Senate
MI
Democrat
Current member
Senate
NC
Republican
Former member
Senate
FL
Democrat
Former member
Senate
NJ
Democrat
Former member
Senate
PA
Republican
Current member
Senate
ID
Republican
Former member
Senate
IN
Democrat
Former member
Senate
WV
Independent