With over 100 years of experience in precision instrument manufacturing, Warren-Knight Instrument Company (W-K) provides high caliber, technically diversified engineering, design, manufacturing and technical support services to all United States and international markets. All of W-K's services and products are designed to meet your precise needs and specifications, as our highly experienced engineering department has the required flexibility and diversity to create specialized angle measuring instruments, designed to achieve your goals. The complement of engineering technology and customer specifications enables Warren-Knight to produce your exact instrument requirements, and allows for the best technical response possible for your individual problems and needs.

Met One Instruments manufactures weather stations and particulate monitors and samplers for ambient and indoor air. The BAM 1020 Beta Gauge is the only beta gauge manufactured in the USA with USEPA approvals. Approvals and certifications are also from Europe, Korea, Japan and China. Our service centers in Oregon and Texas are rated as one of the best in our industry. Established in 1985, MOI has been providing quality, reliable, user-friendly products around the world.