Top 5 Plumbing Conferences in September 2026

1. 1
   GoldOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.

   Nexstar Network Super Meeting

   ·500–1k attendees·$$$ ticket

   Our take

   Based on 500–1k annual attendees, Nexstar Network Super Meeting ranks solidly as a high-value conference within the Plumbing sector. Entry at $$$ points to a buyer-rich attendee base, which is why Orbital rates it at Gold using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the Plumbing industry, this show merits inclusion in your annual conference calendar.

2. 2
   SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.

   PHCC of Louisiana Annual Convention & Trade Show

   Sep 18–20, 2026·500–1k attendees·$$ ticket

   Our take

   With 500–1k industry professionals on the floor, PHCC of Louisiana Annual Convention & Trade Show sits firmly as a solid mid-tier show across the Plumbing space. Ticket pricing at $$ suggests a filtered, high-intent room, and our team places it among Silver events using a framework weighted toward decision-maker access and verified exhibitor ROI. Operators building pipeline in the Plumbing space, this conference is worth a serious look.

3. 3
   SilverOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.

   Unbound Conference

   Sep 30–Oct 2, 2026·Washington, DC·1k–2k attendees·$$$ ticket

   Our take

   Considering 1k–2k registered participants, Unbound Conference stands as a Silver-rated gathering for the Plumbing vertical. Registration at $$$ suggests a filtered, high-intent room, leading Orbital to rate it as a Silver event informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. Exhibitors focused on the Plumbing category, this event should be on your shortlist.

4. 4
   BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.

   ARCSA International Annual Conference

   Sep 28–29, 2026·Brookshire, TX·500–1k attendees·$$ ticket

   Our take

   Considering 500–1k registered participants, ARCSA International Annual Conference stands as a Bronze-rated gathering for the Plumbing vertical. Registration at $$ reflects a deliberate barrier that filters for committed buyers, leading Orbital to rate it as a Bronze event based on a combination of attendee quality, exhibitor ROI data, and industry relevance. If you're selling into the Plumbing vertical, the show deserves a line item in your event budget.

5. 5
   BronzeOrbital’s proprietary rating for how valuable a conference is for selling to businesses in that vertical. Based on attendee quality, exhibitor ROI, and industry relevance.

   PHCC of North Dakota Annual Convention

   Sep 24–25, 2026·Bismarck, ND

   Our take

   PHCC of North Dakota Annual Convention sits firmly as an accessible show across the Plumbing space. Exhibitors focused on the Plumbing vertical, the show is worth a serious look.

Quick reference

All 5 conferences at a glance