A.G. O'Brien
INDUSTRIES > STATES > ST. LOUIS COUNTY MINNESOTA PLUMBING > A.G. O'BRIEN
St. Louis County Minnesota
A.G. O'Brien - Plumbing in Duluth, Minnesota
4907 Lightning Dr, Duluth, Minnesota 55811
(218) 729-9662
| agobrien.com 
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Our business directory helps consumers pick the best businesses for their biggest purchases and supplements our weekly show. In the episode below, we discuss our St. Louis County findings from the 2025 U.S. Plumbing Customer Satisfaction Study.
Business Status.
A.G. O'Brien is a Better Buyer honorable mention. To learn more about our small business awards, click on a category below.
About A.G. O'Brien
A.G. O'Brien Plumbing and Heating, based in Duluth, Minnesota, is a highly reputable company known for providing comprehensive plumbing, heating and cooling services. Established in 1928, they bring close to a century of experience, ensuring high-quality, reliable services to both residential and commercial customers in St. Louis County, Minnesota. A.G. O’Brien’s team of highly skilled and certified professionals are committed to meeting the client's unique needs, delivering services with the highest level of integrity and excellence. Using advanced technologies, they guarantee cost-effective and environmentally friendly solutions for their clients. A.G. O'Brien stands by their work, offering customer satisfaction at competitive prices.
Services Offered
Commercial Plumbing Design & Installation
HVAC Systems Design & Installation
Medical Gas System Installation
Refrigeration System Design & Installation
Hydronic System Design & Installation
Preventative Maintenance Programs
24-Hour HVAC & Plumbing Service
Control Systems Installation
Temperature Control Systems Integration
Energy Management Systems Installation
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In this episode,
we discuss our St. Louis County findings from the 2025 U.S. Plumbing Customer Satisfaction Study.
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