Clue: Major home security corp.

Answer: ADT

Length: 3

---

Similar Clues:

• Home security letters (ADT with 3 letters)
• Big name in home security (ADT with 3 letters)
• Home security component (ALARM with 5 letters)
• Major oil corp. (ARCO with 4 letters)
• Nickname of the youngest major leaguer to reach 400 homers (AROD with 4 letters)
• Home security devices, for short (CAMS with 4 letters)
• Homeland Security responsibility (CUSTOMS with 7 letters)
• Many corporations call it home (DELAWARE with 8 letters)
• Agriculture, Homeland Security, et al. (abbr.) (DEPTS with 5 letters)
• Homeland Security threat level represented by "yellow" (ELEVATED with 8 letters)