Company overview
Napco Security Technologies, Inc. engages in the development, manufacturing, and sale of electronic security systems for commercial, residential, institutional, industrial, and governmental applications in the United States and internationally. The company's access control systems include various types of identification readers, control panels, PC-based computers, and electronically activated door-locking devices; intrusion and fire alarm systems, consists of various detectors, a control panel, a digital keypad and signaling equipment; and door locking devices comprise microprocessor-based electronic door locks with push button, card readers and bio-metric operation, door alarms, mechanical door locks, and simple dead bolt locks. Its alarm systems include automatic communicators, cellular communication devices, control panels, combination control panels/digital communicators and digital keypad systems, fire alarm control panels, and area detectors; and video surveillance systems comprise video cameras, control panels, video monitors, or PCs. The company also buys and resells various identification readers, video cameras, PC-based computers, and various peripheral equipment for access control and video surveillance systems; offers school security products; and markets peripheral and related equipment manufactured by other companies. It markets and sells its products to independent distributors, dealers, and installers of security equipment. Napco Security Technologies, Inc. was founded in 1969 and is headquartered in Amityville, New York.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing NSSC with another company.
| Daily close (USD) | $35.16 |
| Market capitalization (USD) | $1,257,618,244.92 |
| Price / earnings (TTM) | 29.23 |
| Price / book | 6.58 |
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Read NSSC's valuation metrics
Company size
Napco Security Technologies, Inc's recorded market capitalization is $1,257,618,244.92. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
NSSC's recorded P/E is 29.23: about $29.23 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
NSSC's recorded price-to-book ratio is 6.58. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
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