Jayson Water Softeners. Jayson Water Purification Systems. Jayson Pool Service. HVAC is now serviced by Supreme Energy, visit: supremeenergyinc.com/jaysontransition The Jayson Company provides water quality services, including water softener systems to solve your hard water (excessive minerals) problem, water purification systems for safer, better tasting drinking water (reverse osmosis), and reliable pool service for clean, enjoyable pool fun. Founded by Cornelius Jayson in 1936, the Jayson Company is owned and operated by the third generation of our New Jersey family. As we have grown to become one of the largest water conditioning and pool service companies in the state, our family of satisfied customers has grown too. They call on us every day because they can depend on Jayson professionals to do the job right. They also know that there is a family standing behind all the work. After all, for more than 75 years our family name has been riding on every job.