Denver Industrial Instruments

Located at 343 E Yucca Hills Rd in Castle Rock, Colorado, Denver Industrial Instruments (DII) has been a trusted name in electronic repair and specialized manufacturing for decades. Founded by Brett Plumadore, who has been working in the electronic repair industry since the mid-1970s, DII brings a legacy of expertise in road safety innovation and oil field support. Our team is committed to keeping critical systems running efficiently, even as many legacy devices are no longer supported by their original manufacturers. Through expert device repairs and the production of specialized components, we extend the life of essential equipment, ensuring operational continuity for our clients.

At Denver Industrial Instruments, we take pride in a history that spans nationwide depot work, supporting the Department of Transportation and vital oil field operations across the