The LP OSB mill at Houlton/New Limerick, which was recently expanded, has to be one of the bigger customers besides the Paper mills. There have always been several other decent size Lumber mills along the N-S Mainline, though I think some of them have closed down recently. The old Delta Chemicals facility on the Searsport branch gets quite a bit of Sulphuric Acid. Am quite certain that they don't move Potato's by rail, but the McCain French Fry facilities in the Presque Isle/Caribou area do receive Cooking Oil. There are/were some Fertilizer plants up that way as well that received rail and at times they were shipping Oats from County farms. Not sure where they go all go, but there are some Log loading facilities on the line. Some of this traffic probably is local while some is likely handed off to the ST/NBSR/CN to be sent to Lumber/Paper mills. Then there's the Oil traffic that moves North from Searport. Beyond that there may be some LPG traffic and transload business (both Boxcar and Tankcar) at LMS, but can't think of much else.