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561621 - Security Systems Services (except Locksmiths)
Top Businesses by Revenue for 561621:
| Johnson Cntrls SEC Sltions LLC | Boca Raton | FL |
| Brinks Company | Richmond | VA |
| ADT Inc | Boca Raton | FL |
| ADT LLC | Boca Raton | FL |
| Apx Group Holdings Inc | Provo | UT |
| Lifelock Inc | Tempe | AZ |
| Monitronics International Inc | Dallas | TX |
| Convergint Technologies LLC | Schaumburg | IL |
| Red Hawk Fire & Security LLC | Boca Raton | FL |
| Soc LLC | Chantilly | VA |
561621 - Security Systems Services (except Locksmiths)
This U.S. industry comprises establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.
Cross-References. Establishments primarily engaged in--
- Selling security alarm systems for buildings, without installation, repair, or monitoring services--are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade; and
- Retailing motor vehicle security systems, with or without installation or repair services--are classified in Industry 441310, Automotive Parts and Accessories Stores.
| 2007 NAICS | 2012 NAICS | 2017 NAICS | Index Entries for 561621 |
|---|---|---|---|
| 561621 | 561621 | 561621 | Alarm system monitoring services |
| 561621 | 561621 | 561621 | Alarm systems sales combined with installation, repair, or monitoring services |
| 561621 | 561621 | 561621 | Burglar alarm monitoring services |
| 561621 | 561621 | 561621 | Burglar alarm sales combined with installation, repair, or monitoring services |
| 561621 | 561621 | 561621 | Fire alarm monitoring services |
| 561621 | 561621 | 561621 | Fire alarm sales combined with installation, repair, or monitoring services |
| 561621 | 561621 | 561621 | Security alarm systems sales combined with installation, repair, or monitoring services |
| 561621 | 561621 | 561621 | Security system monitoring services |