One reason for Tyco's low profile is its decidedly unglamorous but fast-growing roster of businesses. Here's what the mix will look like after Tyco's deal to buy CIT Group goes through:ELECTRONICS: $13 billion sales

Components, including connectors, switches, and sensorsHEALTH CARE: $9 billion sales

Syringes and wound-care products; includes plastics unit that makes garbage bags and sheetingFIRE, SECURITY SYSTEMS: $8 billion sales

Fire protection and electronic security, including ADTTYCOM: $3 billion sales

Makes and installs undersea communications systems for the telecom industry, building a global networkCIT GROUP: $6 billion sales*

Third-largest commercial-finance company in the U.S.* CIT sales estimate for 12 monthsFLOW CONTROL: $4 billion sales

Industrial valves and controlsTOTAL 2001 SALES*: $38.5 billion* Sales are estimates for fiscal year ending Sept. 30, assuming ownership of CIT for one quarter

Data: Tyco International, Merrill Lynch