Handy Guide to Who Owns Whom

Keeping track of which imprint belongs to which publisher makes one feel a little like Danny Kaye in THE COURT JESTER trying to keep track of whether the pellet with the poison's in the vessel with the pestle, the flagon with the dragon, or the chalice from the palace. But here's my best effort:

Note 1: Corporate parent is in bold, US publishing subsidiary or affiliate in parentheses, imprints below.

Note 2: I have omitted some imprints (e.g., paperback reprint-only imprints or imprints that don't do novels and sometimes unintentionally) and have included some that may be defunct but which may still appear on books.

Bertelsmann AG (Random House)
Alfred A. Knopf Books for Young Readers
David Fickling Books
Delacorte Press Books for Young Readers
Random House Books for Young Readers
Wendy Lamb Books

Bloomsbury Publishing PLC (Bloomsbury USA)
Bloomsbury
Walker and Company

CBS Corporation (Simon & Schuster)
Aladdin Paperbacks
Atheneum Books for Young Readers
Margaret K. McElderry Books
Paula Wiseman Books
Simon and Schuster Books for Young Readers
Simon Pulse

Egmont (DK)(Egmont USA)
Egmont

Houghton Mifflin Company (Houghton Mifflin Harcourt)
Clarion
Houghton-Mifflin Books for Children
Harcourt

La Martiniere Groupe (Abrams Books)
Abrams Books for Young Readers
Amulet

Lagardere Groupe, Hachette Livre (Hachette Book Group)
Little, Brown & Co. Books for Young Readers

News Corporation (HarperCollins)
Amistad
Balzer and Bray
Bowen Press (defunct)
Eos
Greenwillow Books
HarperCollins
HarperTeen
Katherine Tegen Books
Morrow Junior Books (defunct)

Pearson PLC (Penguin Group USA)
Dial
Dutton
Firebird
G.P. Putnam's Sons Books for Young Readers
Philomel
Razorbill
Viking

Scholastic, Inc.
Arthur A. Levine Books
Scholastic Press
Orchard

Verlagsgruppe Georg von Holtzbrinck (Macmillan US)
Farrar, Strauss and Giroux
Feiwel and Friends
Henry Holt
Roaring Brook
  First Second
  Neal Porter Books
Starscape/Tor

Walker Books UK (Candlewick Press)
Candlewick Press

Walt Disney Co. (Hyperion Books)
Disney Hyperion
Hyperion
Hyperion Miramax