company -- (an institution created to conduct business; "he only invests in large well-established companies"; "he started the company in his garage")
company -- (small military unit; usually two or three platoons)
company, companionship, fellowship, society -- (the state of being with someone; "he missed their company"; "he enjoyed the society of his friends")
company, troupe -- (organization of performers and associated personnel (especially theatrical); "the traveling company all stayed at the same hotel")
caller, company -- (a social or business visitor; "the room was a mess because he hadn't expected company")
company -- (a social gathering of guests or companions; "the house was filled with company when I arrived")
party, company -- (a band of people associated temporarily in some activity; "they organized a party to search for food"; "the company of cooks walked into the kitchen")
ship's company, company -- (crew of a ship including the officers; the whole force or personnel of a ship)
company -- (a unit of firefighters including their equipment; "a hook-and-ladder company")