The antonyms for the term "company persons" would include words like "loners," "outsiders," "solitary individuals," or "individualists." These are people who enjoy their independence and prefer to work alone rather than in a group setting. They find comfort in being on their own and do not typically seek out social interactions or relationships. These types of individuals may excel in careers that require a lot of independent work, like freelance writing or computer programming. While working alone may be their preference, they can still be successful in their careers by cultivating strong business relationships and networking with other professionals when necessary.