Stephen Williston 

Stephen Williston is the founder and President of S. Williston Sales. His experience is a culmination of over 25 years representing major HVAC/R Corporations and over 30 years in business, management, and sales.

Highly regarded in the industry, he possesses a skilled approach to   developing, introducing, and expanding new product lines into today’s competitive marketplace.

Stephen grew up in the HVAC/R industry and learned to be a top performer as a Manufacturer representative from his father, the late Jerry A. Williston who was a respected industry leader. Working alongside his father covering New England and Upstate New York, he learned the most important attributes of a successful Manufacturer Rep agency. 

Stephen is a graduate of Providence College, holds numerous certifications including Executive Management Proficiency Training, MANA Rep Agency Operations Training, RSES Electrical and Refrigeration certification courses, and Corporate programs specific to each manufacturer.

He is a proud member of the Manufacturers’ Agents National Association (MANA), Heating, Air-conditioning, Refrigeration Distributors International (HARDI), and Association of Independent Manufacturers’/ Representatives (AIM/R).


Chris Williston

Chris Williston is the Director for Account Management at S. Williston Sales. Chris has over 20 years of experience in account management, sales, finance, and customer support. Like Stephen, Chris grew up in the HVAC/R industry and gained tremendous insight from his father and brother.

In addition to account management, Chris is involved in new business development and sales team operations that help grow and expand the S. Williston Sales network of business relationships.  Chris is responsible for the marketing efforts and inside sales support for the company as well as job quotes.

Chris is a graduate of the University of Rhode Island with a degree in Business Administration and concentration in Finance. He is also a member of the Manufacturers’ Agents National Association (MANA).