Security companies derive their total revenue from a wide variety of product segments, with the most sizeable — integrated non-residential systems — falling 3 percentage points compared to last year. The rest of the categories are virtually unchanged from last year.

Security companies derive their revenue from a wide variety of categories of service, the two most sizable of which — sales/installation and monitoring ― made up the bulk of SDM 100 companies’ service revenue in 2025.

The best opportunities for employment among SDM 100 companies are in installation (29%), sales and marketing (13%) and technical service (12%). This chart shows the average percentage of each position within an SDM 100 company’s total employee base. The most significant changes in the distribution of these positions compared with the prior year is installation, which rose by 9 percentage points, and technical service, which fell by 12 percentage points. All other changes were insignificant.

The percentage of SDM 100 companies reporting increased profits declined sharply by 13 percentage points, with 43% of security dealers reporting an increase in profit margins in 2025, compared to 56% in 2024. But there was a corresponding sharp rise in those reporting that profits stayed the same (34% versus 18% last year). Companies reporting a decrease declined by 3 percentage points over 2024. Taking out any that reported over 100%, the average increase in profits was 11%, and the average decrease was 7%.

Of the SDM 100 companies that reported their actual net profit margins, responses ranged from -11% to 77%, with the average net profit in 2025 of 17% — up 1 percentage point from 2024, and continuing a multi-year climb. In 2023, it was 13%. In 2022, the average was 14%.

Looking at the number of subscribers that dealers indicated they gained or lost in 2025, SDM 100 companies in aggregate gained 14% more subscriber accounts in 2025, continuing a multi-year upward streak. The comparison is among companies (77) that reported number of subscribers for both the prior year (2024) and end of year 2025.

SDM asked companies how many vehicles are in their company fleet that are used for technical service, sales and other purposes. A total of 86 companies reported 11,706 vehicles in use in 2025, down from more than 18,000 last year but still more than in 2023 (9,755).