This directory lists refill, not grocery or big-box exchange cages. A listing needs a public source (the business’s own page or an official locator) that describes refill. Submitting a station is not a booking, not a paid placement, and not a contract.
Submit opens your email app with a message to ads@fillpropane.com. The suggestion is not stored on this site. You still need to send the message. Works offline once the page is loaded — no account required.
To report a listing that is already on a city page, use report closed / wrong hours.