with me
conmigo
with us
con nosotros, con nosotras
with you
contigo
with you (multiple)
con vosotros, con vosotras
with him
consigo (if only talking one person), con él ( if 2 people)
with you (polite)
consigo, con usted
with her
consigo, con ella
with it
con ello
with them (m)
con ellos
with them (f)
con ellas
with you (polite, plural)
con ustedes