I went to their site and I can state for a fact that wholesaler example #1 is in fact MAXAM wholesale out of Dallas, Texas. I have personally bought and resold over $10,000.00 worth of merchandise from them over the last 10 years. I was able to maksa lot of money in the past on eBay but now far too many are selling the same merchandise there. It is still a great source for stuff to sell on Craigslist or your own website. Maxam has always treated me with stellar service.
That being said...you could go to MAXAM directly and save the $29.95 membership as I do not recognize whothe other examples are.