What's the largest recording label in the US and how many artist do they have?

Answer 1

The largest is Universal Music Group, followed by Sony Music Entertainment, EMI Group, Warner Brothers Music, and BMG Entertainment.

Labels owned by Universal Music Group include Interscope/Geffen, Island Records, Def Jam, MCA Records, Mercury Nashville, Motown Records, Verve Music, and Universal Records.

It's hard to track down a figure of how many artists they have under contract, but some include U2, Erykah Bahdu, Beck, Blink 182, Peter Gabriel, Jonny Lang, Limp Bizkit, Marilyn Manson, Moody Blues, Nine Inch Nails, No Doubt, Sting, Stevie Wonder,
Rob Zombie, and 98 Degrees.