What is the oldest potato chip company still in business?

I'm curious to know, which potato chip company can boast of being the oldest and still thriving in the market today? Is there a particular brand that has stood the test of time, maintaining its popularity and quality throughout the years? Or has the industry seen numerous shifts, with newer companies rising to prominence while older ones fade into obscurity? It would be fascinating to learn about the history and longevity of the oldest potato chip company still operating today.