Hi aldira,
Hammocktrader.com is a legitimate company even if they do not accept PayPal, they accept credit card payments through Google Checkout which is just as safe. They have been online since 2008 and does not seem to have any negative feedback online.
To fully utilize their site you must first join and become a member. Remember to prepare your Tax ID or the equivalent in your country since this is one of their requirements.
For additional suppliers, you might want to refer to this post -
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Hope this helps.