Members of the IHTA are held to the highest standards including meeting the requirements of our “Criteria of Membership” and abiding by our ethical standards. Potential members must apply for membership, be in business for not less than three (3) years under the same trade name and the same corporate entity and have all licenses and insurance required for their type of business. Their products must be certified that they meet ETL or UL code for portable hot tubs which is vital for your safety and the safety of those who enjoy your hot tub! Please check out our list of manufacturers and retailers. Double click on their website address to go directly to their website. Buy from IHTA members…those you can trust!