They most definitely do. I worked for a company that had unsuccessfully tried to get amazon to carry their products. Eventually, one of their smaller retailers

They most definitely do. I worked for a company that had unsuccessfully tried to get amazon to carry their products. Eventually, one of their smaller retailers (that already did a lot of FBA) put the product up as an FBA item, and it sold reasonably well. Within 6 weeks amazon was calling wanting to buy the product from us directly. This was completely unheard of for us. Even if they were interested in the product, retailers NEVER called asking about it. But Amazon seems to know exactly what they want and when they want it.