Register as a WSI vendor
Water Services, Inc. — tell us about your company and catalogs.
Prefer to fill out forms instead?
Download: Form W-9 (IRS, Rev. March 2024, fillable PDF)
Upload the completed W-9 in the "W-9 upload" box above, or email it, with your company name, contact, phone and product lines, to info@water-services.us.