SDM 100 COMPANIES operate in a wide variety of geographical and vertical markets, including both residential and commercial business, and education, government, commercial and institutional customers. The 100 largest U.S.-based security companies are ranked by their recurring monthly revenue (RMR) on the annual SDM 100 Report.

 

Top Manufacturers Used by the SDM 100

  • Honeywell (includes the brands of Fire-Lite Alarms, Notifier, Silent Knight and System Sensor)
  • DMP (Digital Monitoring Products)
  • Stanley Security (includes the brands of Sonitrol and 3xLogic)
  • Johnson Controls Inc. (includes the Tyco Security Products brands of DSC and Software House)
  • Qolsys**
  • Resideo Technologies **
  • Avigilon
  • Alarm.com
  • Carrier (includes the brands of UTC, LenelS2 and Edwards)†
  • Nortek Security & Control LLC (includes the brands of Linear and 2GIG)

 

†UTC merged with Raytheon and spun off its security brands to Carrier in 2020, but was still cited by dealers.

**Two-way tie for this position; companies listed alphabetically.

Security dealers ranked on the SDM 100 were asked to name their top three manufacturers in order of the volume purchased from them. Their answers were compiled, and companies were ranked in order of how frequently they were cited. The top 10 vendors are presented here.

 

To reach this pinnacle of success, these companies rely on trusted manufacturers and distributors to supply them with the products and solutions their customers need. SDM asked each of the 2021 SDM 100 companies to share their top three manufacturers and top three distributors, based on volume purchased. The resulting lists reveal that the largest security companies in the installation and monitoring channel rely on a wide variety of suppliers — more than is possible to list here.

 

Top Distributors Used by the SDM 100

  • ADI
  • Anixter
  • Stanley Security
  • Alarmax Distributors Inc.
  • PSA Security Network
  • Systems Distributors Inc. (SDI)

Security dealers ranked on the SDM 100 were asked to name their top three distributors in order of volume purchased from them. Their answers were compiled, and companies were ranked in order of how frequently they were cited. The top six distributors are presented here.

 

These brand-usage lists were compiled from the 2021 SDM 100 Report. Out of the 100 companies ranked, 78 of them listed their manufacturing partners and 76 shared their distributor partners. SDM combined all of their responses, and ranked the manufacturers and distributors by the number of mentions each received. Beyond the top 10 manufacturers and top six distributors, mentions were distributed fairly evenly among a number of other suppliers.