Tyco Safety Products Chief Streamlines Division

Handling the manufacturing needs of Tyco Fire & Security, and keeping up with R&D

All four industrial giants have the cash to support research and development and more acquisitions while Tyco International instead is committed to beefing up sales and marketing at ADT.

"It's a fractured industry and it's consolidating because of the emphasis on homeland security," analyst Paul Nisbet of JSA Research said. "It suddenly has become an area these large companies are paying attention to."