Terwilliger Engineering
Terwilliger Engineering
  • Home
  • Services
  • Gallery
  • Contact Us
  • Partners
  • News
  • More
    • Home
    • Services
    • Gallery
    • Contact Us
    • Partners
    • News
  • Home
  • Services
  • Gallery
  • Contact Us
  • Partners
  • News

Where Expertise Meets Efficiency in Environmental Solutions

Where Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental Solutions

Your project, our roadmap. We guide you through every stage


Where Expertise Meets Efficiency in Environmental Solutions

Where Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental SolutionsWhere Expertise Meets Efficiency in Environmental Solutions

Your project, our roadmap. We guide you through every stage


 Terwilliger Engineering offers a wealth of environmental consulting expertise. Explore our website to discover how we can tackle your specific challenges. Ready to discuss your project? Contact us today for a free consultation. 

Contact Us

About

Our Services

We minimize risk with thorough due diligence and detailed site assessments. Our team of experts will then develop customized environmental strategies to achieve your goals. We handle all your permitting needs, ensuring compliance with regulations. Our engineers design effective solutions, and our team oversees successful cleanup and closure projects. 

Services

Our Philosophy

 We prioritize achieving client objectives through efficient and effective solutions, all while safeguarding the environment 

Our Mission

 We craft high-quality solutions that empower clients to achieve their goals while safeguarding human health and the environment. 

Our Team

Tim Terwilliger, P.E. (FL & NY)

With a distinguished 25-year career, Tim Terwilliger is a recognized leader in environmental consulting and engineering. He specializes in navigating complex environmental regulations, ensuring compliance, and protecting client interests. Tim's expertise also includes developing effective cleanup strategies for contaminated properties, with a proven history of successful project completions. His impressive client portfolio features industry leaders like Chevron and Total Petrochemicals, alongside various government agencies. Tim’s dedication and outstanding contributions have earned him well-deserved recognition in the environmental sector. 

Elizabeth Anderson

Eliza is an Aluma of the University of South Florida, with a Bachelor of Science in Environmental Science and Policy. This background enables her to provide keen insight regarding environmental projects. Eliza is able to tackle challenges within environmental engineering with passion, curiosity, and efficiency.   

Eileen Hanlon

Eileen is a recent graduate of the University of South Florida and has earned a Bachelor of Science degree in Environmental Science and Policy. Her early passion always was and is in engineering, and she has eagerly channeled that energy into real-world sewage system decontamination—a field where she can roll up her sleeves and make an immediate impact. With hands-on experience tracking and inspecting sewage systems—including observing dormant sewers across Lakeland, Florida for cracks and leaks—she knows the infrastructure from the inside out. Her strong work ethic, willingness to go beyond what is expected, and ability to stay sharp under pressure make her a dedicated force in reducing human impact on the environment. 

Z. Mason Terwilliger

Mason, an alumnus of the University of Florida and recent graduate in International Business, brings fresh perspectives and innovative ideas to the field of environmental engineering. As an Environmental Intern, he has shown a strong dedication to improving operational efficiency, playing a key role in the success of environmental projects. His talent for optimizing workflows and delivering top-notch results has made him an invaluable team member. With a passion for developing creative solutions, Mason is poised to become a future leader in tackling environmental challenges.  

Subcontractor Network

With over 25 years of experience leading environmental consulting projects across Florida, Tim has cultivated a robust network of trusted subcontractors. This network provides seamless access to specialized expertise whenever a project requires additional support. Whether it's utility locating, drilling, high-quality analytical services, construction, or specialized equipment, Tim can assemble the perfect team to meet your project's specific needs. This collaborative approach ensures optimal efficiency and cost-effectiveness, ultimately leading to successful project outcomes. 

Subscribe

Copyright © 2025 Terwilliger Engineering, LLC - All Rights Reserved.

Powered by

This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. By accepting our use of cookies, your data will be aggregated with all other user data.

Accept