![]() PCB Piezotronics PCB Piezotronics is a company that manufactures piezoelectric quartz sensors, accelerometers, and associated electronics for the measurement of dynamic pressure, force, and vibration. | ![]() Clearfield Clearfield (formerly known as APA Enterprises) is a company that designs, manufactures, and distributes fiber optic connectivity and management products. | |
Founding Date | Founding Date 1967 | Founding Date 2008 |
Type | Type Subsidiary | Type Public |
Tags | ||
Locations | Locations Buffalo, US HQ Zaventem, BE Montreal, CA Beijing, CN Shanghai, CN Shanghai, CN Shenzhen, CN see more | Locations Minneapolis, US HQ Oulu, FI |
Employees | Employees 1,500 | Employees 24339% decrease |

Clearfield (formerly known as APA Enterprises) is a company that designs, manufactures, and distributes fiber optic connectivity and management products.
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