Plumbing · Vertical x Month
September 2026 has five plumbing-relevant conferences worth putting on your calendar, and this page breaks down the ones most useful for contractors, distributors, and service businesses.
Looking deeper, the tables below slice the list two ways.
| State | Conferences |
|---|---|
| California | 1 |
| North Dakota | 1 |
| Louisiana | 1 |
| Texas | 1 |
| District of Columbia | 1 |
| Tier | Conferences |
|---|---|
| Tier A | 1 |
| Tier B | 1 |
| Tier C | 3 |
| Tier D | 2 |
Across the 7 Plumbing conferences scheduled in September 2026, 1 carry a Tier A ranking. Napa hosts the most events in this cut, with 1 on the calendar. September is the busiest month, with 6 conferences scheduled. Ticket pricing splits 0 at the $ tier and 3 at the $$$ tier, so entry costs vary widely across the set. WEFTEC tops the Tier-ranked list, held in New Orleans. The most common stated purpose is Training / Certification, covering 5 of the 7 events in this cut. Event length averages 3.2 days across the set, with the longest running 5 days.
Sep 14–17, 2026Napa, CA500–1k attendees
Considering 500–1k registered participants, AIM/R Annual Conference stands as a Silver-rated gathering for the Plumbing vertical. Sales teams working the Plumbing vertical, this gathering should be on your shortlist.
Sep 18–20, 2026500–1k attendees$$ ticket
Given its 500–1k expected attendees, PHCC of Louisiana Annual Convention & Trade Show has cemented its place as a dependable event in the Plumbing industry. Attendance pricing of $$ implies a vetted crowd of decision-makers, and the Orbital team rates it in the mid tier based on a combination of attendee quality, exhibitor ROI data, and industry relevance. Sales teams working the Plumbing space, this conference deserves a line item in your event budget.
Sep 24–25, 2026Bismarck, ND
PHCC of North Dakota Annual Convention has cemented its place as a niche event in the Plumbing industry. If you're selling into the Plumbing space, the show is worth a serious look.
Sep 27–Oct 1, 2026New Orleans, LA10k+ attendees$$$ ticket
Based on 10k+ annual attendees, WEFTEC ranks solidly as a flagship conference within the Plumbing sector. Entry at $$$ signals a serious operator audience, which is why Orbital rates it at Platinum drawing on multi-cycle exhibitor feedback and verified attendee role data. Operators building pipeline in the Plumbing category, this event deserves a line item in your event budget.
Sep 28–29, 2026Brookshire, TX500–1k attendees$$ ticket
Based on 500–1k annual attendees, ARCSA International Annual Conference ranks solidly as an entry-level conference within the Plumbing sector. Entry at $$ signals a serious operator audience, which is why Orbital rates it at Bronze drawing on multi-cycle exhibitor feedback and verified attendee role data. Operators building pipeline in the Plumbing category, this event merits inclusion in your annual conference calendar.
Sep 30–Oct 2, 2026Washington, DC1k–2k attendees$$$ ticket
Based on 1k–2k annual attendees, Unbound Conference ranks solidly as a reliable conference within the Plumbing sector. Entry at $$$ suggests a filtered, high-intent room, which is why Orbital rates it at Silver using a framework weighted toward decision-maker access and verified exhibitor ROI. For teams targeting the Plumbing industry, this show is worth a serious look.
500–1k attendees$$$ ticket
Considering 500–1k registered participants, Nexstar Network Super Meeting stands as a Gold-rated gathering for the Plumbing vertical. Registration at $$$ reflects a deliberate barrier that filters for committed buyers, leading Orbital to rate it as a Gold event reflecting a holistic view of buyer density, lead quality, and industry footprint. Sales teams working the Plumbing industry, this show should be on your shortlist.
All 7 conferences at a glance
| Conference | Tier |
|---|---|
| AIM/R Annual Conference | 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 | 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 North Dakota Annual Convention | 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. |
| WEFTEC | PlatinumOrbital’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 | 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. |
| Unbound Conference | 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. |
| Nexstar Network Super Meeting | 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. |
This guide covers 7 Plumbing conferences for 2026. Scroll up to see dates, locations, and details for each event.
AIM/R Annual Conference is one of the largest events on this list with approximately 500–1k attendees. It takes place Sep 14–17, 2026. Location: Napa, CA.
ARCSA International Annual Conference has the lowest ticket price on this list ($$). It's held in Brookshire, TX. Expected attendance: approximately 500–1k.
6 of the 7 conferences on this list have confirmed 2026 dates. Check each event above for the latest schedule and registration details.
More Orbital conference guides in related industries
Orbital Conference Directory
Orbital's verified directory covers 1,924 trade events across 12 industries — with attendee counts, ticket pricing, exhibitor costs, and tier ratings for every listing.
