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Located in Downtown Toledo, TTL has been providing Engineering Services for almost 100 years
We provide year-round services to help you achieve quality in your construction projects.
From drilling to geotechnical subsurface investigations to inspection, call or email us to learn more about how we can work together on your next project.
WHAT WE CAN DO FOR YOU
Providing Engineering Consulting Solutions
Meet the TTL Owners
At TTL, we pride ourselves in providing quality services to our clients and the community.
Chief Geotechnical Engineer
Katherine C. Hennicken, P.E.*
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*Licensed in Ohio & Michigan
419-214-5040
TTL Engineering Services, LLC
Contact Us
Address
1915 North 12th Street
Toledo, Ohio 43604
Contact
419-241-4440
Office Hours
Mon - Fri
8:00 am – 5:00 pm
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