EXHIBIT 21

JOHNSON CONTROLS, INC.

Following is a list of significant subsidiaries of the Company, as defined by section 1.02(w) of Regulation S-X, as of October 31, 2007.

	Jurisdiction
	Where
	Subsidiary is
Name	Incorporated
Hoover Universal, Inc.	Michigan
Johnson Controls Battery Group, Inc.	Wisconsin
Johnson Controls Holding Company, Inc.	Delaware
Johnson Controls Technology Company	Michigan
York International Corporation	Delaware