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Home » 2021 SDM Rankings
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2021 SDM Rankings

2019 SDM-100-Banner


 

2021 SDM 100
Main Table
Total Annual
Revenue
Non-Residential
Installation Revenue
Residential
Customers
SDM 100
Alphabetical Index
View
All

 

Or download all the tables as a PDF


 

How to Use the SDM 100 Tables

The 2021 SDM 100 ranks U.S. companies that provide electronic security systems and services to both residential and non-residential customers. This ranking is based on information provided to or, in few cases, estimated by SDM. Ranked companies were asked to submit either an audited or reviewed financial statement, or a copy of their income tax return showing total gross receipts for the stated period. The vast majority of the firms ranked are privately held.

The main table (select below), ranks 100 companies by their recurring monthly revenue (RMR) of December 31, 2020. The company with the highest RMR is ranked as No. 1, and so on. For each of the 100 companies, the following information is provided, from left to right:

SDM100_2020

View the
2021 SDM 100 Report

or

View the SDM 100
from other years

 

  • current year rank, which is based on Dec. 31, 2020, RMR;
  • prior year rank;
  • company name, as used in the marketplace, and headquarters location;
  • amount of RMR billed on Dec. 31, 2020;
  • percentage of RMR increase/decrease compared with Dec. 31, 2019; 
  • number of subscribers (recurring-billable customers) at year-end 2020;
  • amount of sales revenue from residential system installations in 2020;
  • amount of sales revenue from non-residential system installations in 2020;
  • total gross revenue, in calendar-year or (the company’s) fiscal-year 2020 from security system sales/installation, service, leasing, and monitoring;
  • number of full-time employees; and
  • number of business locations, including headquarters.

SDM 100 companies are then re-ranked by several other criteria, including total annual revenue; residential subscribers; and non-residential sales revenue.

Note: An e following the figure indicates it is an SDM estimate.

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SDM 100 companies are ranked in the table above by the amount of their sales/installation revenue from non-residential projects. Note that some larger companies and those that are very active in the non-residential market are not ranked because such detailed information was not publicly available or they did not report it to SDM. Companies that reported less than $500,000 in sales/installation revenue are not included in this ranking.

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Download this table as a PDF

SDM 100 companies are ranked in the table above by the number of their residential subscribers (customers). Note that some of the larger companies such as ADT and Brinks Home Security are not ranked because such detailed information is not publicly available or they did not report it to SDM. Companies that reported fewer than 100 residential subscribers are not included in this ranking.

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