Insights

Strategic Growth Recent acquisitions and leadership hires indicate rapid expansion and operational scale-up, presenting cross-sell opportunities across new regional markets and enhanced marine infrastructure capabilities.

Public Sector Focus Established relationships with the US EPA and Army Corps of Engineers, plus ongoing projects with public infrastructure owners, suggest opportunities to win additional government contracts and leverage past performance for competitive bids.

Integrated Tech Adoption of analytics and collaboration platforms (HubSpot Analytics, Power BI, Tableau, SharePoint, Teams) enables data-driven sales outreach, account-based marketing, and streamlined client communications for targeted proposals.

Certifications & Safety ISO 9001, ISO 14001, ISO 45001 and NQA-1 plus 10 CFR compliance position Brennan as a reliability-first partner for sensitive environmental and safety-critical projects, appealing to risk-averse clients seeking quality assurance.

Award-Winning Credibility Recognitions, certifications as a Great Place to Work, and industry awards from dredging conferences bolster credibility for pursuing larger, high-visibility projects and public-private partnerships.

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J.F. Brennan Company Tech Stack

J.F. Brennan Company uses 8 technology products and services including HubSpot Analytics, Power BI, Tableau, and more. Explore J.F. Brennan Company's tech stack below.

Media & News

J.F. Brennan Company's Email Address Formats

J.F. Brennan Company uses at least 4 email formats:
J.F. Brennan Company Email FormatsExamplePercentage
FLast@jfbrennan.comJDoe@jfbrennan.com
91%
FirstLast@jfbrennan.comJohnDoe@jfbrennan.com
6%
Last@jfbrennan.comDoe@jfbrennan.com
1%
First.Last@jfbrennan.comJohn.Doe@jfbrennan.com
2%

Frequently Asked Questions

What is J.F. Brennan Company's phone number?

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You can contact J.F. Brennan Company's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is J.F. Brennan Company's official website and social media links?

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J.F. Brennan Company's official website is jfbrennan.com and has social profiles on LinkedIn.

How much revenue does J.F. Brennan Company generate?

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As of October 2026, J.F. Brennan Company's annual revenue is estimated to be $250M - $500M.

What is J.F. Brennan Company's NAICS code?

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J.F. Brennan Company's NAICS code is 54162 - Environmental Consulting Services.

How many employees does J.F. Brennan Company have currently?

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As of October 2026, J.F. Brennan Company has approximately 289 employees across 4 continents, including North America, Asia and Europe. Key team members include Vice President Of Construction: Z. P., President & Chief Executive Officer: S. B. and Vice President- Chief Human Capital Officer: J. P. Explore J.F. Brennan Company's employee directory with LeadIQ.

What industry does J.F. Brennan Company belong to?

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J.F. Brennan Company operates in the Environmental Services industry.

What technology does J.F. Brennan Company use?

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J.F. Brennan Company's tech stack includes HubSpot Analytics, Power BI, Tableau, Microsoft SharePoint, Simpli.fi, Microsoft 365, Piwik and Microsoft Teams.

What is J.F. Brennan Company's email format?

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J.F. Brennan Company's email format typically follows the pattern of FLast@jfbrennan.com. Find more J.F. Brennan Company email formats with LeadIQ.

When was J.F. Brennan Company founded?

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J.F. Brennan Company was founded in 1919.
J.F. Brennan Company logo

J.F. Brennan Company

Environmental ServicesWisconsin, United States201-500 Employees

J.F. Brennan Company operates in the environmental services sector with a specialization in maritime, environmental, and infrastructure challenges, delivering innovative solutions for water-based projects. Based in La Crosse, Wisconsin, the firm has a history dating back to 1919 and maintains a sizable fleet of marine and amphibious equipment to support work across coastal and inland waterways nationwide, emphasizing safety, quality, and environmental stewardship.

Its client base includes public agencies such as the US Environmental Protection Agency and the US Army Corps of Engineers, as well as private owners of water infrastructure, with a focus on clear communication and risk mitigation. The company maintains ISO-certified management systems for quality, environmental, and occupational health and safety, aligning with international standards and regulatory requirements. In 2025, J.F. Brennan Company was recognized with three awards at the World Dredging Conference and Expo, highlighting its standing in the dredging and waterfront infrastructure sector.

Section iconCompany Overview

Phone number
NAICS Code
54162 - Environmental Consulting Services
Founded
1919
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    J.F. Brennan Company's revenue is estimated to be in the range of $250M - $500M

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