37 Years of Excellence

Tri State Knife began over three decades ago with a simple mission: to provide the most precise blade sharpening and tool grinding services in the industry. Based in Robbinsville, NJ, we have grown into a trusted partner for the paper, plastic recycling, ice resurfacing and many other industries nationwide. Our legacy is built on a foundation of trust and reliability. We understand that in high-stakes industries, precision isn’t just a goal—it’s a requirement for safety and efficiency. We ensure every edge meets our rigorous standards of quality.