Exhibit 21

LIST OF SUBSIDIARIES OF EXX INC

NAME OF SUBSIDIARIES OF EXX INC	NAME UNDER WHICH SUBSIDIARY DOES BUSINESS	STATE OF INCORPORATION
Newcor, Inc.	Newcor Bay City	Delaware
SFM CORP.	Howell Electric Motors	New Jersey
Henry Gordy International Inc.	Henry Gordy Int’l	Delaware
TX Technology Corp.	TX Technology Corp.	Delaware
TX Systems Inc.	TX Systems Inc.	Nevada
Hi-Flier Inc.	Hi-Flier Inc.	Nevada
Sellers & Josephson Inc.	Sellers & Josephson Inc.	Delaware
Handi-Pac, Inc.	Steven Mfg. Co.	Missouri
NAME OF SUBSIDIARIES OF NEWCOR, INC.
Deco Engineering, Inc.	Deco Engineering, Inc.	Michigan
Rochester Gear, Inc.	Rochester Gear, Inc.	Michigan
Plastronics Plus, Inc.	Plastronics Plus, Inc.	Wisconsin
Blackhawk Engineering, Inc.	Blackhawk Engineering	Iowa
Boramco, Inc.	Boramco, Inc.	Indiana
Machine Tool & Gear, Inc.	MT&G Inc.	Michigan