From their website, "Choose your local fire department agency" in the top left corner, then make the following selections depending on which type of product you are looking to purchase.
FOR GATE ITEMS
For gate items like switches and padlocks, select "CA" and type in
"Heartland Mutual Aid" -- Select "Heartland Mutual Aid / San Miguel"
FOR HOME BOXES
For home boxes, select "CA" and type in "San Miguel Consol FPD" - then select the bottom option which states "Residential Use ONLY - HomeBoxes"
FOR ALL OTHER PRODUCTS
For all other products, select "CA" and type in "San Miguel Consol FPD" - then select the top option