multiple-system operator; MSO
Business term for a company that operates multiple cable or satellite television systems. Often used in industry contexts.
That multiple-system operator has several cable TV stations under its umbrella.
Compound of 統括 (tōkatsu, 'unification, overall management') + 運営 (un'ei, 'operation, management') + 会社 (gaisha, 'company'). The term is a direct translation of the English 'multiple-system operator'.