What departments does J.F. Brennan Company have?

J.F. Brennan Company has employees across 11 departments including Entrepreneurship, Human Resources, Accounting, Operations, Marketing.

What is the largest department at J.F. Brennan Company?

The largest department at J.F. Brennan Company is Program & Project Management with 10 employees.

Where are J.F. Brennan Company employees located globally?

J.F. Brennan Company has employees across 3 continents and 4 countries including India, United States Of America, Canada, Australia.

How has J.F. Brennan Company's team size changed over time?

J.F. Brennan Company's team has decreased from approximately 295 to 221 employees based on available data.

J.F. Brennan Company Employee Directory

Q: Who are J.F. Brennan Company's key employees and leadership?

J.F. Brennan Company's key employees include: President & Chief Executive Officer: S. B., Vice President Human Resources: J. P., Vice President Of Construction: Z. P.

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.

J.F. Brennan Company Global Highlights

North America
303

United States Of America
302
Canada
1

Asia
1

India
1

Oceania
1

Australia
1

J.F. Brennan Company's Leadership

J. P.
Vice President Human Resources
Mobile Phone
Email
Z. P.
Vice President Of Construction
Mobile Phone
Email
S. B.
President & Chief Executive Officer
Mobile Phone
Email
N. D.
Owner
Mobile Phone
Email
J. F.
Vice President
Mobile Phone
Email
R. A.
Vice-President
Mobile Phone
Email
T. S.
Controller
Mobile Phone
Email
J. V.
Controller
Mobile Phone
Email

J.F. Brennan Company Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Operations
Accounting
Human Resources
Business Development
Other
Marketing
Analytics
Administrative
Healthcare Services
Supply Chain
Civil Engineering & Construction

Contact profiles from J.F. Brennan Company

Name

Title

Contact

Location

Last Update

N. D.
Owner
Mobile Phone
Email
Oct 17, 2024
S. B.
President & Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
J. P.
Vice President Human Resources
Mobile Phone
Email
Aug 10, 2026
Z. P.
Vice President Of Construction
Mobile Phone
Email
Sep 03, 2026
J. F.
Vice President
Mobile Phone
Email
Oct 16, 2024
R. A.
Vice-President
Mobile Phone
Email
Oct 16, 2024
T. S.
Controller
Mobile Phone
Email
Sep 07, 2026
J. V.
Controller
Mobile Phone
Email
Oct 21, 2024
J. D.
Director Of Construction Operations
Mobile Phone
Email
Oct 22, 2024
M. D.
Md
Mobile Phone
Email
India
Jun 24, 2026

Frequently Asked Questions

What is J.F. Brennan Company known for?

J.F. Brennan Company was founded in 1919 and operates in the Environmental Services industry. You can contact J.F. Brennan Company's main corporate office by phone at

+1-608-784-****

. Explore J.F. Brennan Company's company overview page for more information.

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

J.F. Brennan Company employees' email format typically follows the pattern of FLast@jfbrennan.com. Trying to find reliable and up-to-date employee contact data? Find more J.F. Brennan Company email formats with LeadIQ.

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

J.F. Brennan Company has approximately 289 employees as of August 2026. These team members are located across 3 continents, including North America, Asia and Oceania.

Who are J.F. Brennan Company's key employees and leadership?

As of August 2026, J.F. Brennan Company's key employees include:

Vice President Human Resources: J. P.
Vice President Of Construction: Z. P.
President & Chief Executive Officer: S. B.
Owner: N. D.
Vice President: J. F.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

J.F. Brennan Company Employee Directory

Find J.F. Brennan Company employees' phone numbers or email addresses

Name search is limited — try advanced search instead