Giant CO2 is Southern California's best choice for carbon dioxide (CO2), nitrogen (N2), and beer gas. For the past 25 years, we've been supplying these beverage gases to businesses of all types and sizes, from small cafes, restaurants, and bars to large corporate offices and sports venues. Among our thousands of satisfied clients throughout Orange County, Los Angeles, Riverside, and San Bernardino, we've earned a reputation for offering high quality, beverage-grade gases, unparalleled customer service, and competitive pricing.