5580 Skylane Blvd.
Santa Rosa, CA 95403



With over 35 years of experience, CPI International is an independent supplier of certified reference materials, laboratory consumables, small equipment, and test kits to scientific professionals working in spectroscopy, chromatography, general chemistry, and microbiology. CPI strives to offer worldwide distribution of the highest quality and the most reliable laboratory products, while providing unrivaled customer service.

CPI International is an ISO 9001:2015 registered company and quality is of the utmost importance in the products we offer, the service we provide our customers, and in our daily operations. We are a trusted supplier for over 1,000 customers in the United States and internationally who appreciate our quick response times, fair prices, and ability to source and supply customized products.

Since our founding in 1982, CPI International has been a manufacturer of pre-packed carbon columns for TOX/AOX analysis. We also produce the ModBlock™ digester for metals prep and the Accuprep™ SPE manifold. Our product offering also includes:

Inorganic Standards GC-MS Electron Multiplies COD Vials
Organic Standards PID Lamps GGA Standards for BOD
ICP/ICP-MS Glassware & Parts GC Vials & Caps  TOX Glassware
Plastic Tubes, Vials & Cups      SPE Filters & Cartridges Small Equipment
Hollow Cathode Lamps                    TSS Filters Colitag™


Please visit www.cpiinternational.com to learn more about CPI International and our product offering.