We use several shipping methods, it all depends on the products and weights of the items:
DHL Global mail is our major shipping method: DHL handles the state to state transfers and than they in turn hand it off to the Postal Service for final delivery.
UPS is used for heavy weight items such as vacuums and central vacuum hoses.
Fedex SmartPost is used for the in between items such as our carpet detergents, air fresheners etc.
Fedex also handles the state to state transfers with final delivery being handled by the Postal Service.
USPS is used for expediting all of our packages.
DHL, Fedex Smart Post, and USPS are able to deliver to P.O. Box addresses. If you have specific requirements for shipping, please feel free to contact us prior to placing your order.