 Visit HouseProducts.com to find out which product you need today to keep your engine running like new tomorrow. House. Tested. Trusted. Guaranteed. There are few non-profits in the trucking industry, and even fewer that tangibly make a difference in the lives of professional drivers. Since 2008, nearly 4,000 over-the-road semi-truck drivers have turned to the St. Christopher Truckers Relief Fund when a medical issue took them off the road.