The abbreviation for "trustee" is typically "Tr." or "T." These abbreviations are often used in legal documents and formal contexts to denote a trustee, who is an individual or organization that holds and administers property or assets for the benefit of another party.
abreviate associates
att.
mm
rd.
Mr.
g
Int.
Gov.
ent.
we abbreviate it as DISC
co.
Mgmt. or mgt. Both are acceptable.