The website is still up and it's a pretty large company. I don't think they've gone anywhere. Did you receive a confirmation email about your order? If you sent them an email asking a question it might take a few days to hear back from a large company.
They don't answer his Facebook page, don't answer the emails, and the phone is a answering machine and never call back.
Bayou Classic are not the same as Bayou Classic Depot. They are in two different places with different phones.