Apax Partners (UK) / Ontario Municipal Retirement Service (OMERS) (Canada)

Cengage Learning (name changed from Thomson Learning 2007) (Thomson Learning acq. by Apax Partners and OMERS from Thomson Corp. 2007) (name changed to Thomson Learning from International Thomson Publishing)

 

* Gale Group (acq. by Apax Partners and OMERS from Thomson Corp. 2007)
	* Greenhaven Press (acq. by Thomson 2000)
		* KidHaven Press
		* Lucent Books (acq. by Thomson 2000)
		* Blackbirch Press (acq. by Thomson 2001)
	* Charles Scribner's Sons Reference (acq. by Thomson from Pearson 1999)
	* Thorndike Press  (acq. by Thomson from Pearson 1999)
		* Five Star (founded 1995)
	* G.K. Hall  (acq. by Thomson from Pearson 1999)
	* Twayne Publishers  (acq. by Thomson from Pearson 1999)
	* Macmillan Reference USA  (acq. by Thomson from Pearson 1999)
		* Schirmer Reference  (acq. by Thomson from Pearson 1999)
	* Taft Group
	* St. James Press
	* K.G. Saur (Germany)
	* Sleeping Bear (acq. by Thomson 2002)
* South-Western (acq. by Apax Partners and OMERS from Thomson Corp. 2007) (acq. by Scott, Foresman 1967)
	* Texere (acq. by Thomson 2003) (founded 2000)
* Nelson (Canada)  (acq. by Ontario Municipal Employees Retirement Service (majority stake) and Apax Partners (minority stake) from Thomson Corp. 2007)
	* Reidmore Books  (acq. by Thomson 2000) (founded 1980)
	* Gage (acq. by Thomson 2003)
	* WebCT (partial stake acq. by Thomson 2000)
	* Irwin Publishing (acq. by Thomson from General Publishing 2002)
* Cengage Learning Australia
	* Nelson (Australia)
* Delmar Learning (acq. by Apax Partners and OMERS from Thomson Corp. 2007) (acq. by Litton Industries 1969)
	* OnWord Press
	* Autodesk Press
	* Bergwall
	* Milady
	* Singular Publishing Group
	* West Legal Studies
	* Charles River Media (acq. 2005)
* Wadsworth Group (acq. by Apax Partners and OMERS from Thomson Corp. 2007)
	* Wadsworth
	* Schirmer Books (acq. by Macmillan 1969)
	* Brooks/Cole
		* Duxbury Press
* Heinle (acq. by Apax Partners and OMERS from Thomson Corp. 2007) (name changed from Heile & Heinle)
* Paraninfo (Spain) (acq. by Apax Partners and OMERS from Thomson Corp. 2007)
* Course Technology (acq. by Apax Partners and OMERS from Thomson Corp. 2007) (name changed from Course Tech) (acq. by Thomson 2000)
	* Muska & Lipman (acq. by Thomson 2002)
	* Premier Press (acq. by Thomson from 22nd Century 2002) (Premier grew out of Prima Tech acq. by 22nd Century from Random House 2001) (Prima Tech acq. by Random House 2001)

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Previous Holdings
 
 

              last updated September 8, 2007