Our rep that handles HGP is Jeff Freeman, you can email him at firstname.lastname@example.org
if need be. You can also use the Contact Us page on our web site to send him a message.
I don't know what volume of product you are interested in, but HGP may be willing to bring in what you need on their next order if it is not something they already stock.
The products I showed you were only a few of the products available that would be appropriate. HGP may also have some ideas on maintaining SP. Since they are local you might want to ask them for their advise as well.