About GTW, Western Michigan Specialty Gas Supplier GTW has been a fully certified member of the PurityPlus® Specialty Gases family since changeme. Our Western Michigan laboratory is staffed by local people – people who not only know specialty gases but also understand the various ways customers deploy them throughout our service area. In our minds, that’s the most important word: service. Given that we’re local we’re ideally positioned to deliver the gases our customers need quickly, efficiently, safely, and economically. We’re also structured in a way that facilitates our getting to know our customers. We’re keen on establishing mutually beneficial relationships with them, the better to serve them – and keep them satisfied. For every one of their questions, we’ll give them answers our talent for producing the most preferred specialty gases in the nation. To hold on to our PurityPlus certification and make certain that our products always meet the highest quality standards, we’re audited every year by a third party. What’s more, we attend periodic training seminars. And you can be sure we’re ISO 17025-compliant. We’re here to provide you, Western Michigan, with the PurityPlus specialty gases, speedy delivery, and thoroughly personalized service you require. Experience for yourself why so many others in this region trust no one but GTW for all their specialty gas needs. Call us at 616-754-6120 or contact us online today.