Sono-Tek Corporation SOTK

Company Overview

Sono-Tek Corporation is a U.S.-based manufacturer of precision ultrasonic coating systems used to apply thin, uniform liquid layers onto substrates. The company operates within the industrial equipment, advanced manufacturing, and materials processing industries, with applications spanning electronics, semiconductors, medical devices, energy storage, fuel cells, solar energy, and research laboratories. Its core value proposition centers on highly controlled, low-waste coating processes enabled by proprietary ultrasonic atomization technology.

The company’s primary revenue drivers are the sale of ultrasonic spray coating systems, related application-specific platforms, and recurring revenue from replacement components, service, and process development support. Sono-Tek is positioned as a niche technology provider with strong differentiation in precision, material efficiency, and scalability for both R&D and light-to-medium production environments. Founded in 1975, Sono-Tek initially focused on ultrasonic spray technology and gradually evolved into a specialized equipment supplier supporting advanced materials and emerging manufacturing processes.