Crossword Puzzle Merger of two barbershop groups

Clue: Merger of two barbershop groups

Office groups (STAFFS with 6 letters)
Groups of staff officers (CADRES with 6 letters)
Pair of barbershop groups (OCTET with 5 letters)
Offers mortgages out of a retro Harlem barbershop? (LENDSINFROPLACES with 16 letters)
Burroughs and Sperry merger offspring (UNISYS with 6 letters)
Office betting groups (POOLS with 5 letters)
Barbershop offering (e.g. HAIRCUT with 7 letters)
Offshoot groups (SECTS with 5 letters)
Pair of barbershop groups, e.g. (OCTET with 5 letters)
Two merged barbershop groups, say (OCTET with 5 letters)