Demonstrated Knowledge, Satisfied Customers

For S. Williston Sales Company, the manufacturers we represent are more than logos and line cards. We are diligent about gaining a thorough understanding of each product, system, and solution. Our dedication to product knowledge shines through in our sales approach, innovative marketing strategies, training and classes. 

Explore our ever-growing options for products and solutions:

  • HVAC and Indoor Air Quality Equipment
  • Refrigeration Tools
  • Controls
  • Filtration and Maintenance Products
  • Installation Hardware and Accessories


Discover the manufacturers we represent