The opposite of stranger is familiar, or family.
The opposite of a company (corporation, enterprise) could be a tradesman, who may have no business entity. The opposite of company meaning guests or accompaniment could be isolation, or solitude.
Company of Strangers - Company of Strangers album - was created in 1992.
A full of strangers
delusions that people are watching the patient and that he might be in danger from strangers who follow him. The schizophrenia could manifest in the opposite reaction, that the patient must protect himself by attacking others, either known friends or strangers.
There is no specific collective noun for strangers, in which case a noun suitable for the situation is used, for example a family of strangers, a neighborhood of strangers, a congregation of strangers, etc.
Strangers' hats.
The duration of The Strangers is 1.43 hours.
The ISBN of Red Strangers is 0141188502.
Red Strangers was created in 1939.
The Three Strangers was created in 1883.
Intimate Strangers was created in 2004.
The Comfort of Strangers was created in 1981.