Call on the General Manager. Thankfully with a nice online web page, each locations GM is listed so you have a name to walk in with.
I sold my location 4039, 6000, 3126 to start. My location is looking into concrete patches for their facility as well. There is a huge need for a variety of products at each location, handing them a product line sheet will likely get them excited!
Paying with credit card currently, they have a $1000 daily limit. Definitely can see us getting set up in their PO system soon. They did mention that some of the divisions stay separate like liquid division vendors would be different than solids division vendors etc.
Here is their link, happy selling!
https://gflenv.com/locations/