Insights

Public Sector Focus Dunigan Bros., Inc is a family-owned heavy civil contractor serving government agencies with sanitary sewer, storm sewer, water distribution, pumping stations, tunneling, and roadway projects. This indicates strong alignment for U.S. municipal and state infrastructure opportunities, especially in utilities and wet utility expansions.

Civil Utility Expertise With operations centered on difficult wet utility projects and trenchless methods, the company could be a strategic partner for agencies pursuing complex infrastructure upgrades, renewals, and resilience projects requiring specialized construction capabilities.

Mid-market Growth Current revenue is in the 1M to 10M range and headcount is 11-50, suggesting opportunities to win larger scoped projects or collaborate as a subsupplier on joint ventures with larger firms targeting municipal bids.

Stability and Longevity A family-owned firm with a 75-year track record signals reliability, consistent execution, and strong client relationships, which can be leveraged in proposals to win repeat municipal contracts and long-term maintenance programs.

Tech and Marketing Readiness Adoption of light tech stack and digital assets points to potential for efficiency gains and improved bid management, client communication, and marketing of capabilities to procurement teams seeking streamlined contractors for complex projects.

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Dunigan Bros., Inc Tech Stack

Dunigan Bros., Inc uses 8 technology products and services including NSONE, Microsoft 365, Element UI, and more. Explore Dunigan Bros., Inc's tech stack below.

  • NSONE
    Domain Name Services
  • Microsoft 365
    Email
  • Element UI
    Javascript Frameworks
  • Vue.js
    Javascript Frameworks
  • Microsoft Office
    Office Suites
  • HSTS
    Security
  • Gravity Forms
    Web Platform Extensions
  • OpenResty
    Web Servers

Dunigan Bros., Inc's Email Address Formats

Dunigan Bros., Inc uses at least 1 format(s):
Dunigan Bros., Inc Email FormatsExamplePercentage
LFirst@duniganbros.comDJohn@duniganbros.com
55%
First@duniganbros.comJohn@duniganbros.com
18%
FLast@duniganbros.comJDoe@duniganbros.com
18%
First.Last@duniganbros.comJohn.Doe@duniganbros.com
9%

Frequently Asked Questions

What is Dunigan Bros., Inc's official website and social media links?

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Dunigan Bros., Inc's official website is duniganbros.com and has social profiles on LinkedIn.

How much revenue does Dunigan Bros., Inc generate?

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As of July 2026, Dunigan Bros., Inc's annual revenue is estimated to be $1M - $10M.

What is Dunigan Bros., Inc's SIC code NAICS code?

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Dunigan Bros., Inc's SIC code is 1721 - Painting and Paper Hanging NAICS code is 23 - Construction.

How many employees does Dunigan Bros., Inc have currently?

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As of July 2026, Dunigan Bros., Inc has approximately 14 employees across 1 continents, including North America. Key team members include Vice President: T. D.General Superintendent: D. D.. Explore Dunigan Bros., Inc's employee directory with LeadIQ.

What industry does Dunigan Bros., Inc belong to?

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Dunigan Bros., Inc operates in the Construction industry.

What technology does Dunigan Bros., Inc use?

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Dunigan Bros., Inc's tech stack includes NSONEMicrosoft 365Element UIVue.jsMicrosoft OfficeHSTSGravity FormsOpenResty.

What is Dunigan Bros., Inc's email format?

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Dunigan Bros., Inc's email format typically follows the pattern of LFirst@duniganbros.com. Find more Dunigan Bros., Inc email formats with LeadIQ.

When was Dunigan Bros., Inc founded?

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Dunigan Bros., Inc was founded in 1945.
Dunigan Bros., Inc logo

Dunigan Bros., Inc

ConstructionMichigan, United States11-50 Employees

Dunigan Bros., Inc is a family-owned heavy civil contractor based in Jackson, Michigan. Founded in 1945, the company has developed long-standing experience in the water and wastewater sector and frequently undertakes complex utility projects. The business concentrates on wet utility construction and related infrastructure, including demanding subsurface work and installations essential to public networks.

Its customers are government agencies at the city, state, and county levels, for whom it builds sanitary and storm sewers, water distribution and transmission systems, pumping stations, trenchless boring and tunneling, and highway improvements. As a focused provider of essential utilities infrastructure, the firm supports public sector programs by delivering reliable, large-scale utility work.

Section iconCompany Overview

SIC Code
1721 - Painting and Paper Hanging
NAICS Code
23 - Construction
Founded
1945
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Dunigan Bros., Inc's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Dunigan Bros., Inc's revenue is estimated to be in the range of $1M - $10M

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