What services does H.A. Thompson & Sons provide?

H.A. Thompson & Sons provides a wide range of commercial and residential services, including HVAC, plumbing, sewer reline, and mechanical contracting services. They serve customers throughout North Dakota, South Dakota, Minnesota, and Montana.

Where are H.A. Thompson & Sons' office locations?

H.A. Thompson & Sons has a corporate headquarters in Bismarck, North Dakota, as well as additional offices in Fargo, Watford City, Gwinner, Garrison, New Town, and Minot, allowing them to serve customers throughout the Northern Plains.

What types of commercial services does H.A. Thompson & Sons offer?

In addition to their residential services, H.A. Thompson & Sons provides commercial contract maintenance, repairs, retrofits, upgrades, energy conservation, and mechanical construction services, including design-build and prefab services.

What financing options are available for H.A. Thompson & Sons' services?

H.A. Thompson & Sons offers financing options to help customers afford their residential and commercial services, including online bill pay and special financing.

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H. A. Thompson & Sons

$8.0M revenue • 40 employees • 2601 12th St N Ste 400, Fargo, ND, 58102, United States

Last Updated Aug 21, 2026

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Company Overview

Company Name

H. A. Thompson & Sons

Address

2601 12th St N Ste 400, Fargo, ND, 58102, United States

Website

hatandsons.com

Phone

(800) 238-5462

Approx. Annual Revenue

$8.0M

Employees

Established

1998

Google Reviews

4.8 (5 reviews)

Google Business Category

HVAC contractor

Locations

About H. A. Thompson & Sons

H.A. Thompson & Sons is a commercial HVAC and residential heating and cooling service provider based in Fargo, North Dakota. Established in 1908, the company has expanded to serve customers throughout the northern plains region, offering a range of services including plumbing, sewer relining, and commercial contract maintenance.

Business Profile

Read from the H. A. Thompson & Sons website on Oct 12, 2026. Hover an item to see the exact wording it came from.

How H. A. Thompson & Sons works

About the website

Website quality (AI-assessed): 7/10 · Current copyright 2026; Clear service and contact info

Recent changes

What changed on the H. A. Thompson & Sons website and Google listing, as detected by Coldlytics on each visit.

Nov 4, 2026 · Bismarck, ND
Google Business category is now Plumber
Oct 31, 2026 · Bismarck, ND
Google Business category is now HVAC contractor
Oct 31, 2026 · Bismarck, ND
Google reviews went from 74 to 75
Oct 30, 2026 · Fargo, ND
Google rating went from 4 to 4.8

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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H. A. Thompson & Sons locations

2 Google Business Profile listings.

Location	Google category	Reviews	Status
2601 12th St N Ste 400, Fargo, NDprimary	HVAC contractor	4.8 (5)	Claimed
911 S 9th St, Bismarck, ND	HVAC contractor	4.1 (75)	Claimed

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Contact Research

People Search

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Integrations

H. A. Thompson & Sons

Company Overview

Company Name

Address

Website

Phone

Approx. Annual Revenue

Employees

Established

Google Reviews

Google Business Category

Locations

About H. A. Thompson & Sons

Business Profile

How H. A. Thompson & Sons works

About the website

Recent changes

H. A. Thompson & Sons locations

HVAC Companies near Fargo, ND

Frequently Asked Questions about H. A. Thompson & Sons

What services does H.A. Thompson & Sons provide?

Where are H.A. Thompson & Sons' office locations?

What types of commercial services does H.A. Thompson & Sons offer?

What financing options are available for H.A. Thompson & Sons' services?

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Technologies Used

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