Electro-Sensors Inc (NASDAQ: ELSE) is an industrial electronics company that manufactures and sells production monitoring and process control systems for material handling and manufacturing operations. Revenue comes from transactional product sales of sensors, monitors, and integrated hazard monitoring systems sold into both retrofit installations and new manufacturing or processing systems. The company operates from a single 25,400 square foot owned facility in Minnetonka, Minnesota and competes against 4B Components Ltd., Maxi-Tronic Inc., Siemens Corporation, and Ag Growth International Inc. Net sales for FY2025 generated a 50.8% gross margin, up from 48.9% in FY2024, with total operating expenses consuming 50.8% of net sales in FY2025. The company's Board formed a Business Development Committee in January 2023 to explore strategic alternatives. Common stock trades on the Nasdaq Capital Market under the symbol ELSE.

Revenue model

Transactional product sales of industrial sensors, monitoring systems, and integrated hazard monitoring platforms sold to manufacturers and processors. Products are sold as ready-to-install units into both retrofit and new-build markets. No subscription or recurring revenue model is disclosed in the FY2025 10-K.

Products and services

Production monitoring sensors including shaft speed monitors, belt alignment monitors, and slide gate position monitors. Vibration monitoring products that alert operators when machine vibration exceeds or falls below specified levels. Tilt switches for storage bin or production system capacity alerts. Integrated hazard monitoring systems under the Electro-Sentry 1, Electro-Sentry 16, and HazardPRO brand names, combining temperature, belt alignment, and shaft speed monitoring with programmable control logic.

Customers and end markets

Industrial manufacturers and processors across a range of industries served through national industrial periodicals, tradeshows, and the company website. Products address both retrofit installations on existing equipment and new manufacturing or processing system builds. Specific customer names or concentration data are not disclosed in the FY2025 10-K filing.

Value-chain role

Manufacturer and direct seller of industrial monitoring hardware. The company designs, manufactures, and sells finished ready-to-install sensor and monitoring units. All operations are conducted within a single owned facility in Minnetonka, Minnesota.

Geographic exposure

All operations conducted from a single facility at 6111 Blue Circle Drive, Minnetonka, Minnesota. The company attends local, national, and international industry tradeshows, but no geographic revenue breakdown is disclosed in the FY2025 10-K.

Competitors

4B Components Ltd., Maxi-Tronic Inc., Siemens Corporation, Ag Growth International Inc. (AGI)

Source: SEC 10-K, filed 2026-03-30

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