From the moment I saw your post, I knew I was in for a tough search ;) Please refer to my comments below each product you are looking for -
1.Sena Bluetooth product
Sorry but this not readily available through wholesale since Sena Bluetooth limit the release of their products through their Link hidden: Login to view
On their site's homepage you'll find this message:
Important Message to Customers in the US and Canada
Buying from unauthorized dealers can be risky. The products purchased from unauthorized dealers may be counterfeit, stolen goods or second hand products, which will not be covered by warranty. The only way to be sure you're buying a genuine and legitimate product is to buy from an Authorized Sena Dealer or Sena directly. To see the list of Sena Authorized Dealers in North America, please click here.
* Note about eBay/Craigslist:
Many resellers who sell through eBay and Craigslist are not authorized resellers. When purchasing, it is important to note where the product is being shipped from and sold by. Please refer to the Sena Authorized Dealer list or contact us directly before you purchase, if you are uncertain.
2.Jawbone UP 2
Jawbone offers Link hidden: Login to view for orders over 50 units for select products. But for UP by Jawbone to avail of their corporate program the required minimum order is 250 (or more).
Sorry but this one's another product not available through wholesale. Leap Motion has their own list of authorized retailers for their product - Link hidden: Login to view
4.Perfect Fitness - Perfect Situp
There are a number of Chinese sites offering this product but it seems to be only legitimately available here - Link hidden: Login to view
5.PULSE wireless stereo headset Elite Edition(sony)
Sorry I was not able to locate any wholesalers for PULSE wireless stereo headset Elite Edition(Sony). I recommend contacting Sony directly for a possible corporate rate or package.
All the best!