Insights

Established Market Presence With over 110 years of experience, 1901 Inc. has built a strong reputation in the construction industry, especially in mechanical and plumbing contracting, positioning them as a reliable partner for large-scale, high-quality projects.

Diverse Project Capabilities The company’s expertise spans commercial, industrial, institutional, and residential sectors, offering ample opportunities to tailor solutions across various market segments and expand target client bases.

Technological Innovation Utilization of BIM, 3D drafting, and advanced project management tools suggests openness to technological upgrades, making it easier to propose integrated digital solutions or modernized project delivery methods to potential clients.

Skilled Union Workforce Access to a unionized labor force with ongoing labor agreements ensures capacity for large projects and highly skilled personnel, enabling sales pitches focused on reliable, well-trained teams for complex builds.

Financial Flexibility Despite a modest revenue range of 1 to 10 million dollars, the company’s long-standing presence and modernized capabilities make it a good candidate for growth initiatives, joint ventures, or targeted project opportunities in sectors seeking dependable mechanical and plumbing services.

1901 Inc. Tech Stack

1901 Inc. uses 2 technology products and services including Windows Server, Microsoft IIS, and more. Explore 1901 Inc.'s tech stack below.

  • Windows Server
    Operating Systems
  • Microsoft IIS
    Web Servers

Media & News

1901 Inc.'s Email Address Formats

1901 Inc. uses at least 2 format(s):
1901 Inc. Email FormatsExamplePercentage
FLast@1901inc.comJDoe@1901inc.com
94%
FirstL@1901inc.comJohnD@1901inc.com
6%
FLast@h-hgroup.comJDoe@h-hgroup.com
75%
First.Last@h-hgroup.comJohn.Doe@h-hgroup.com
25%

Frequently Asked Questions

Where is 1901 Inc.'s headquarters located?

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1901 Inc.'s main headquarters is located at 2801 Syene Road Madison, Wisconsin 53713 United States. The company has employees across 1 continents, including North America.

What is 1901 Inc.'s official website and social media links?

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1901 Inc.'s official website is h-hgroup.com and has social profiles on LinkedIn.

What is 1901 Inc.'s NAICS code?

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1901 Inc.'s NAICS code is 23 - Construction.

How many employees does 1901 Inc. have currently?

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As of December 2025, 1901 Inc. has approximately 51 employees across 1 continents, including North America. Key team members include Vice President: T. M.Bim Manager: A. G.Operations Manager: M. R.. Explore 1901 Inc.'s employee directory with LeadIQ.

What industry does 1901 Inc. belong to?

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1901 Inc. operates in the Construction industry.

What technology does 1901 Inc. use?

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1901 Inc.'s tech stack includes Windows ServerMicrosoft IIS.

What is 1901 Inc.'s email format?

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1901 Inc.'s email format typically follows the pattern of FLast@1901inc.com. Find more 1901 Inc. email formats with LeadIQ.

When was 1901 Inc. founded?

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1901 Inc. was founded in 1901.

1901 Inc.

ConstructionWisconsin, United States51-200 Employees

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 Plumbing employs 165 people; 135 in the field, and 30 as office staff.  Of $25-$35 million in annual sales volume, 90% is mechanical, and 10% is plumbing.  1901 is a union contractor with ongoing labor agreements with the Steamfitters, Plumbers, and Sheet Metal workers.  These Unions give us the manpower and training we need to provide the staffing for projects of all sizes.

110 years of service has taught us how to do the job right the first time with materials that stand the test of time.  We combine an old fashioned devotion to good business practices and superior materials with a young-minded approach to conserving energy, cutting costs and improving efficiency.  1901 takes pride in completing high-quality projects on time and under budget.  Our on-site prefabrication and manufacturing facilities are the finest in the market, helping us keep up with the material demands of any size project while controlling quality.  

We use the latest computer estimating, job costing, scheduling and drafting programs to ensure that we utilize every possible cost savings measure.  BIM and 3D drafting of mechanical systems, the ability to send and receive drawings and specs via FTP site, and an in-house person dedicated to producing up-to-date Operating & Maintenance manuals make it possible for 1901 to keep all parties well informed during planning and production phases.  

Our qualified staff, wide breadth of experience and fabrication facilities make 1901 perfectly suited to plan, supervise and supply our projects.  1901 Mechanical and Plumbing has both the staff and resources to successfully manage projects of any scale and scope.

Section iconCompany Overview

Headquarters
2801 Syene Road Madison, Wisconsin 53713 United States
NAICS Code
23 - Construction
Founded
1901
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    1901 Inc.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    1901 Inc.'s revenue is estimated to be in the range of $1M$10M

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