Top 8 Plumbing Conferences in March 2026

1. 1
   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.

   ACCO/PHCC Ohio Convention & Expo

   Mar 4–5, 2026·Cleveland, OH·1k–2k attendees·$$ ticket

   Our take

   Considering 1k–2k registered participants, ACCO/PHCC Ohio Convention & Expo stands as a Bronze-rated gathering for the Plumbing vertical. Registration at $$ points to a buyer-rich attendee base, leading Orbital to rate it as a Bronze 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.

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 Massachusetts Trade Show

   Mar 7–7, 2026·Marlborough, MA·2k–5k attendees·$ ticket

   Our take

   Given its 2k–5k expected attendees, PHCC of Massachusetts 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 using a framework weighted toward decision-maker access and verified exhibitor ROI. Operators building pipeline in the Plumbing industry, this event merits inclusion in your annual conference calendar.

3. 3
   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.

   Home Services Growth Summit

   Mar 6–7, 2026·1k–2k attendees·$$$ ticket

   Our take

   Given its 1k–2k expected attendees, Home Services Growth Summit has cemented its place as a niche event in the Plumbing industry. Attendance pricing of $$$ points to a buyer-rich attendee base, and the Orbital team rates it in the specialist tier reflecting a holistic view of buyer density, lead quality, and industry footprint. Exhibitors focused on the Plumbing market, the show belongs on any serious exhibitor's planning list.

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.

   Illinois PHCC Expo & Educational Day

   Mar 20–20, 2026·Oakbrook Terrace, IL·500–1k attendees·$ ticket

   Our take

   With 500–1k industry professionals on the floor, Illinois PHCC Expo & Educational Day sits firmly as an accessible show across the Plumbing space. Ticket pricing at $ implies a vetted crowd of decision-makers, and our team places it among Bronze events informed by verified attendance composition, post-show exhibitor outcomes, and editorial assessment. For teams targeting the Plumbing category, this gathering should be on your shortlist.

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.

   Lemon Seed Conference At the Movies

   Mar 15–17, 2026·Lufkin, TX·<500 attendees

   Our take

   Given its <500 expected attendees, Lemon Seed Conference At the Movies has cemented its place as a niche event in the Plumbing industry. For teams targeting the Plumbing industry, this event deserves a line item in your event budget.

6. 6
   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.

   MCAA Annual Convention

   Mar 15–19, 2026·Phoenix, AZ·2k–5k attendees·$$ ticket

   Our take

   With 2k–5k industry professionals on the floor, MCAA Annual Convention sits firmly as a solid mid-tier show across the Plumbing space. Ticket pricing at $$ signals a serious operator audience, and our team places it among Silver events drawing on multi-cycle exhibitor feedback and verified attendee role data. If you're selling into the Plumbing market, the show merits inclusion in your annual conference calendar.

7. 7
   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.

   PMSMCA Industry Night & Trade Show

   Mar 12–12, 2026·Brookfield, WI·<500 attendees·$ ticket

   Our take

   With <500 industry professionals on the floor, PMSMCA Industry Night & Trade Show sits firmly as an accessible show across the Plumbing space. Ticket pricing at $ suggests a filtered, high-intent room, and our team places it among Bronze events drawing on multi-cycle exhibitor feedback and verified attendee role data. If you're selling into the Plumbing market, the show merits inclusion in your annual conference calendar.

8. 8
   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.

   WEF/AWWA Young Professionals Summit

   Mar 22–24, 2026·Charlotte, NC·<500 attendees·$$ ticket

   Our take

   With <500 industry professionals on the floor, WEF/AWWA Young Professionals Summit sits firmly as an accessible show across the Plumbing space. Ticket pricing at $$ suggests a filtered, high-intent room, and our team places it among Bronze events using a framework weighted toward decision-maker access and verified exhibitor ROI. Operators building pipeline in the Plumbing space, this conference merits inclusion in your annual conference calendar.

Quick reference

All 8 conferences at a glance