How to contact poulin farm and feed supplies in maine? Poulin Grain Prices - RT Farms and Feed Supply Up-to- date Poulin Grain prices. Call 207-395-8118 for delivery options. Maine farm and feed supplies in Winthrop, ME Where are the poulin grain mills located? Poulin Grain has 4 mill manufacturing locations in Newport, Swanton and Bennington, VT and Canton, NY. For retail locations, please see the dealer locator .What do you use poulins for? Use to live at a condo in East Vancouver, where I was being bitten by some unseen creature for many nights. Several neighbours said the building had used Poulin's to rid them of some cockroach infestation years before I lived there.How to contact maine farm and feed supplies in winthrop? Up-to- date Poulin Grain prices. Call 207-395-8118 for delivery options. Maine farm and feed supplies in Winthrop, ME