Insights

Strategic Partnerships Longstanding track record with US EPA, US Army Corps of Engineers, and private infrastructure owners suggests Brennan is a reliable partner for large-scale waterway and environmental projects. Leverage existing certifications and multinational project experience to pursue joint ventures, prime contracting, and program-level opportunities with federal and state agencies.

Maritime Expertise Specialized marine and amphibious equipment and a century of water-based project delivery position Brennan to win dredging, harbor improvement, and shoreline remediation contracts. Target expansion into growing coastal resilience, port modernization, and navigation channel maintenance programs.

Sustainability Cred ISO 9001, ISO 14001, and ISO 45001 certifications reinforce a quality, environmental, and safety management foundation. Use this as a differentiator to pursue ESG-focused bids and clients prioritizing sustainable operations and regulatory compliance.

Awards & Recognition Recent industry accolades and a consistent Great Place To Work certification signal a strong corporate reputation and talent stability. Approach clients seeking proven performers with capable teams and reliable delivery, and explore upsell opportunities for expanded service lines and program management.

Growth & Ecosystem Active partnerships and collaborations (including recent alliances and participation in major dredging events) indicate a broad partner ecosystem. Map potential alliances for large-scale projects, subcontracting opportunities, and technology-driven solutions in design, engineering, and floating dock systems.

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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 August 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 August 2026, J.F. Brennan Company has approximately 289 employees across 3 continents, including North America, Asia and Oceania. Key team members include Vice President Human Resources: J. P., Vice President Of Construction: Z. P. and President & Chief Executive Officer: S. B. 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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