About 1901 Inc.
1901 Inc. is a Construction company, headquartered in Madison, with 11 - 50 employees and annual revenue of $50M - $100M.
1901 Inc. (F.K.A. H&H Industries, Inc.) began in 1901 as W.J. Hyland, a small plumbing and pipe fitting business located in Madison, Wisconsin. In over 110 years, the company has expanded to include commercial, industrial, institutional, and residential mechanical contracting. 1901 Mechanical and...
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1901 Inc. Company Highlights
Phone Number
(608) 273-xxxx
Corporate Office Address
2801 Syene Road
Madison, 53713
Website
1901 Inc. Email Format
The most common 1901 Inc. email format is [f][last] (ex. jdoe@h-hgroup.com), currently being used by 58% of 1901 Inc. business email addresses. There are 4 email formats used by 1901 Inc..
1901 Inc.'s Tech Stack
Frequently Asked Questions About
1901 Inc.
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What email format does 1901 Inc. use?
The most common 1901 Inc. email format is {f}{last} (e.g. jdoe@h-hgroup.com).
What technologies does 1901 Inc. use?
1901 Inc. uses technologies including IIS and Microsoft Windows Server.
How do I contact 1901 Inc.?
To contact 1901 Inc., visit h-hgroup.com.
What companies are similar to 1901 Inc.?
Companies similar to 1901 Inc. include Flatiron Construction, CFC, and Cupertino Electric Inc..
Where is 1901 Inc. headquartered?
1901 Inc. is headquartered at 2801 Syene Road, Madison.
What is the main phone number for 1901 Inc.?
The main phone number for 1901 Inc. is (608) 273-xxxx.
What is the official website for 1901 Inc.?
The official website for 1901 Inc. is h-hgroup.com.
What is the annual revenue of 1901 Inc.?
The annual revenue of 1901 Inc. is $50M - $100M.
How many employees does 1901 Inc. have?
1901 Inc. has 11 - 50 employees.
What industry is 1901 Inc. in?
1901 Inc. is in the Construction industry.
Last updated: September 28, 2025