Answer:

nbc

Answer	Crossword Clue
NBC	Peacock network
NBC	Sarnoff's network
NBC	TV network

NBC	GE Building network
NBC	Bob Costas's network
NBC	Lester Holt's employer
NBC	CBS rival
NBC	Network owned by GE
NBC	Home of The Office
NBC	Peacock's nest?
NBC	"ER" network

NBC	"Meet the Press" network
NBC	"The Office" network
NBC	"The Voice" network
NBC	GE subsidiary
NBC	"Will and Grace" network
NBC	"ER" shower
NBC	"SNL" venue
NBC	"West Wing" network

NBC	"The West Wing" network
NBC	Longtime RCA subsidiary
NBC	"The Office" airer
NBC	Leno is seen on it
NBC	"Medium" network
NBC	Home of "The Office"
NBC	Letters after C or MS
NBC	"Heroes" home

NBC	"Community" network
NBC	"Seinfeld" network
NBC	Network with a peacock
NBC	"30 Rock" network
NBC	"Football Night in America" network
NBC	Milieu of SNL
NBC	"The peacock" network
NBC	"Mad About You" network

NBC	Howdy Doody's network
NBC	Tom Brokaw's employer
NBC	"Friends" network
NBC	CBS alternative
NBC	"Ed" network