Vendor Information: We first started as a lawn care company back in 1973 and soon began making equipment for our own use. We invented and patented the first dual-injection spray gun the first mechanized walk-behind spreader sprayer low-volume spraying and the first stand-on spreader sprayer. We quickly realized the potential it had for operators just like you. With a 21-year track record and thousands of machines in the field PermaGreen has remained the industry leader both for the originality of our design and for the quality product we built from the ground-up based on experience.Today the PermaGreen is the 1 sought-after spreader sprayer on the market. PermaGreens come closest to the money-making goal of one machine all properties every day.