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Through partnerships with College of DuPage and Joliet Junior College, the program awards
scholarships each year to HVAC students who demonstrate strong work ethic, passion for the trade,
and a commitment to professional growth.
Litigation is costly, risky, and often avoidable — by reading, understanding, and negotiating your contracts carefully, businesses can protect themselves, prevent disputes, and focus their resources on growth instead of the courtroom.
Stephen Williston reflects on the journey of building his HVAC rep agency and credits AIM/R membership for providing valuable networking, insights and tools that have shaped his agency’s growth and strategy.
November 3, 2025
Built on resilience, relationships, and a drive to serve, Williston Sales Co. has grown from a one-man startup into a trusted HVAC rep agency — proving that adaptability, integrity, and partnership remain the true cornerstones of long-term success.
From live-fire demos to hands-on installations, PHCP manufacturers, reps, and distributors are taking education on the road — transforming parking lots and job sites into rolling classrooms that bring real-world product training directly to the pros who keep our industry running.
Celebrating 125 years of family leadership, adaptability, and unwavering service, B.J.W. Berghorst & Sons proves that lasting success in wholesale plumbing isn’t about products — it’s about people, relationships, and a legacy built one connection at a time.