Founded in 1985, Baltimore’s Krell Engineering provides independent design, machining and frequency tuning for custom ultrasonic resonators used in industrial and medical applications. Owner Donald R. Culp brings more than 30 years of industrial and medical ultrasonics experience, applying finite element analysis to resonators operating from 10 kHz to 100 kHz. The company also develops Computer Aided Resonator Design (CARD), its own software for designing longitudinal-mode ultrasonic resonators.
UTX, IncWith more than 40 years devoted to ultrasonic testing, UTX, Inc. manufactures transducers and accessories for industrial and medical applications from its Holmes, New York operation. Its engineers design custom transducers when standard equipment cannot meet an inspection requirement, supporting projects from on-site design through prototyping and production.HOLMES, NY
Blatek Industries, IncSince 1979, Blatek Industries has built custom medical and nondestructive-testing ultrasonic transducers and piezoelectric composites in Boalsburg, Pennsylvania. The company’s distinctive expertise centers on proprietary 1-3 piezo composites, developed under the direction of owner and chief scientist Dr. Xuecang Geng, who purchased Blatek in 2016 after joining its research team in 1997. Blatek works with customers from early concepts through production and maintains ISO 9001:2015 certification while complying with essential parts of ISO 13485.BOALSBURG, PA
SONOTEC GmbHFounded by two physicists in 1991, owner-managed SONOTEC GmbH develops and manufactures ultrasonic transducers, sensors, testing equipment, and measurement solutions from Halle (Saale). Its roughly 200-person team builds customer-specific systems for applications ranging from non-invasive fluid monitoring to preventive maintenance and nondestructive testing, with a U.S. sales and service subsidiary established in 2013. SONOTEC has maintained ISO 9001 quality management since 1996 and also holds EN ISO 13485 certification for medical-device quality management.HAUPPAUGE, NY
Bullen Ultrasonics, IncBorn in a garage in 1971, family-owned Bullen Ultrasonics now provides precision ultrasonic machining for hard, brittle materials from its Eaton, Ohio operation. The company also developed MicroLucent® laser machining for transparent materials and builds custom equipment in-house, giving engineers a path from difficult prototypes to production. Bullen is ISO 9001 and AS9100 certified, IATF 16949 compliant, and ITAR registered.EATON, OH