Granse/Trio Sales, LLC

Granse/Trio Sales, LLC Independent Sales Representative Granse/Trio Sales, LLC. We are an aggressive Sales Agency that doesn't let business get in the way of ethics.

Granse/Trio Sales, LLC is a Sales Agency representing manufacturers in the plumbing, water works, industrial, utility, municipal and irrigation industries. originally formed in 1946 as Granse Corporation, has enjoyed over 60 proud years as a Manufacturers Representative.

06/01/2026

Wishing you a very happy anniversary!

In observance of Memorial Day, our office will be closing at 1pm on Friday, May 22nd, and closed on Monday, May 25th. Re...
05/20/2026

In observance of Memorial Day, our office will be closing at 1pm on Friday, May 22nd, and closed on Monday, May 25th. Regular business hours will resume on Tuesday, May 26th.

We honor and remember those who made the ultimate sacrifice for our country. 🇺🇸

On site in Iowa City — Dean stopped by for a HYMAX valve install, and everything went smoothly. Great teamwork and a suc...
05/19/2026

On site in Iowa City — Dean stopped by for a HYMAX valve install, and everything went smoothly. Great teamwork and a successful install! 💪

Happy birthday month to our May birthday! May all your wishes come true 🎂
05/01/2026

Happy birthday month to our May birthday! May all your wishes come true 🎂

04/16/2026

Our expertise isn’t in video taping, it’s in grinding stuff!

Daryl is at WinSupply in Sioux Falls, SD with another .




We are excited to announce that Polyethylene Technology is now expanding to 3”. Please reach out to a member of our team...
04/15/2026

We are excited to announce that Polyethylene Technology is now expanding to 3”.

Please reach out to a member of our team with any questions!

04/01/2026

Happy Anniversary month! We appreciate you in more ways than you may know.

Built for tough environments—Polywater solutions deliver where it matters most.From jobsite cleanup to infrastructure pr...
03/24/2026

Built for tough environments—Polywater solutions deliver where it matters most.

From jobsite cleanup to infrastructure protection and sealing critical entry points, these products are designed to perform in real-world conditions.

GrimeAway™
Heavy-duty cleaning wipes that quickly remove grease, oils, cable gels, and adhesives from hands, tools, and equipment—perfect for tough jobsite cleanup.

PGKD™
A modular mechanical sealing system designed to protect cables and infrastructure by creating a tight, durable barrier against pests, water, and environmental intrusion.

Wall Penetrations
Reliable sealing solutions that create watertight and gastight seals around cables and pipes—protecting structures from moisture, gases, and contaminants.

Questions or need more info?
đź“© [email protected]
📞 (952) 469-2191

Address

21320 Hamburg Avenue
Lakeville, MN
55044

Opening Hours

Monday 7:30am - 4:30pm
Tuesday 7:30am - 4:30pm
Wednesday 7:30am - 4:30pm
Thursday 7:30am - 4:30pm
Friday 7:30am - 4:30pm

Telephone

+19524692191

Website

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