Rainbow Research Optics Inc (RROI) is a custom optics manufacturer in Denver, Colorado. Founded in 1995 by optics manufacturing experts (in both commercial and military optics), RROI has been serving the High Precision Optical Market in the United States and around the world. We manufacture optics and coating from customer supplied designs and drawings. Please contact us for a quote on your desired optics. We are ITAR registered and ISO 9001:2015 Certified. We will quote quantities from 1 through 20,000. Our 30,000 sq. ft. facility and 65 employees are standing by to assist you with every aspect of your optical component and assembly needs.