About Fresno Oxygen & Welding Supplies/Barnes Welding Supply, Fresno Specialty Gas Supplier You can trust that Fresno Oxygen & Welding Supplies/Barnes Welding Supply, having been a certified member of the PurityPlus Specialty Gases family since , will deliver the highest-quality specialty gases you or anyone else can get anywhere. We have more than that for you, too. Our Fresno laboratory is staffed by local people – people skilled not only in producing specialty gases but also knowledgeable about the way in which customers utilize them in our service area. As we see it, that’s the primary word: service. Because we’re local we’re able to issue the gases our customers want quickly, efficiently, safely, and economically. We’re also structured in a way that facilitates our getting to know our customers. We seek every means available to form strong relationships with them, the better to serve them – and keep them satisfied. For every one of their questions, we’ll give them answers our knack for manufacturing the most preferred specialty gases in the United States. To hold on to our PurityPlus certification and to ensure that our products always represent the highest quality standards, we’re audited once a year by a third party. In addition, we see to it that our people attend regularly scheduled training seminars. And you can be sure we’re ISO 17025-compliant. We’re here to accommodate you, Fresno, with the PurityPlus specialty gases, quick delivery, and authoritative service you require. Discover for yourself why so many others in this region trust no one but Fresno Oxygen & Welding Supplies/Barnes Welding Supply for all their specialty gas needs. Call us at 559-341-4456 or contact us online today.