(Thomas.net) Helium Suppliers
(Thomas.net) Helium Suppliers (online and locations as listed)
AGP American Gas Products
AGP American Gas Products (online)
Praxair
Praxair - Specialty Gases (online and with multiple locations)
Airgas
Airgas - Specialty Gases (online and with multiple locations)
Zephyr Solutions
Zephyr - major United States Helium Supplier
Sorry, don't feel flustered. If you cannot find something here, make sure to visit: Balloon HQ for more information and resources.