- Welding and shop supplies. Pressure washer manufacturing, sales, & services

- Service & Support from experienced & knowledgeable staff

- Full parts & service department

- Over-the-road service vehicles

- Covering the tri-state area (MN, SD, IA)

- Trained Technicians

- Full line of diagnostic tools to fix the problem right the first time

- Preventative maintenance programs

- We service all makes and models


"Terminator Pressure Washers" - Made in the USA
Manufactured in Viborg, SD and assembled in Okabena, MN.
Celebrating 20yrs of confidence and dependability.
Terminator Pressure Washers pride them selves on manufacturing a product that will give our customers years of flawless operation. Backed by a team of experienced and trained service technicians available on the spot.
We begin with Rolled Steel Frames that are powder coated with our unique durable finish. All washers are equipped with Flat Free Tires, 50' of Rough / Tough Jacketed hose, Industrial Leading Pumps & Motors, GFCI Protection, Pressure & Thermally Protected Pumps, 36" Wand & Set of Fan Tipped Nozzles.
All products purchased come with free delivery and setup at your location.
Exclusively Sold by Williamson Supply.
Servicing SW Minnesota, NW Iowa & SE South Dakota for over 40 yrs.
Please call Jeff at 605-254-5913 for more information and advice on selecting the right washer to best fit your application.