Writing and producing your ebook are two essential steps. Next comes making your ebook available. Here are some ebook wholesalers and retailers. See their websites.
Smashwords, Mark Coker, email@example.com, 408-314-1337
Booklocker, Angela Hoy, firstname.lastname@example.org, 207-262-5544
LightningSource, US: email@example.com, (615) 213-5815, UK: firstname.lastname@example.org, 0845 121 4567