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 
Request a Quote
For Plumbing in St. Louis County
* Unverified company—your request will be sent to other local verified providers.
Request a Quote Form
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
Related Pages
New Episode
In this episode, we discuss our St. Louis County findings from the 2025 U.S. Plumbing Customer Satisfaction Study. Our weekly shows, articles, buying guides, company ratings, and business reviews help people make better purchasing decisions while promoting companies striving to provide customer service excellence.
Related Articles
How to Fix a Slow Draining Kitchen Sink
A slow draining kitchen sink can be fixed with simple DIY solutions. Dive into practical DIY tips.
Do You Need a Water Softener?
Discover if a water softener is right for your home. Learn about water hardness, benefits, and maintenance.
Your guide to smarter buying.
We share insights from real customers to help you make more confident decisions.
Trusted research for better choices.
We help you compare companies based on the experiences of real people like you.
Insight that helps brands improve.
We uncover what customers value most—helping businesses focus and improve.
5-Star Plumbing Companies in Minnesota
Number of Companies with ★★★★★
About Better Buyer.
Our Shows
Watch our shows to shop smarter. The Better Buyer team breaks down our latest voice-of-the-customer survey research, shining a spotlight on outstanding companies consistently delivering excellent customer service. Our topics, guests, and research help people make better purchasing decisions.
Methodology
We conduct large-scale, nationwide surveys designed to capture the voice of the customer. Our studies are structured to meet statistical reliability standards—typically carrying a margin of error between ±3% and ±5% at a 95% confidence level. Our data is gathered through representative sampling.
St. Louis County
Our business directory and survey research help consumers pick the best businesses for their biggest purchases and supplement our weekly show.
In this episode,
we discuss our St. Louis County findings from the 2025 U.S. Plumbing Customer Satisfaction Study.
Weekly Episodes
The Better Buyer media team breaks down our latest research and spotlights companies earning customer trust.
Latest Episode:
1 Million Opinions
We discuss our latest voice-of-the-customer research and shine our spotlight on outstanding companies consistently delivering excellent service. Each episode offers practical insight for buyers and recognition for brands doing it right.
Need Marketing?
RivalMind Digital Marketing knows precisely how to attract, engage, influence, and convert website visitors into lifelong customers, and they can do the same for you.
Hire RivalMind to drive transformational growth for your business.
VIDEO: SEO Client Testimonials
Stories of transformational company growth.
