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Verified Reviews for Structural Engineering pros in Sullivan, WI
*The Angi rating for Structural Engineering companies in Sullivan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
*The HomeAdvisor rating for Structural Engineering companies in Sullivan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.
Last update on October 25, 2025
Find Structural engineers in Sullivan

Ultimate Playgrounds, Inc.
Ultimate Playgrounds, Inc.
We design public spaces which bring together people of all ages and abilities, fostering a sense of community and belonging. Our passion is creating incredible, memorable playgrounds and parks. Each project reflects our signature values: exciting & inclusive design, thorough planning, and quality workmanship.
We design public spaces which bring together people of all ages and abilities, fostering a sense of community and belonging. Our passion is creating incredible, memorable playgrounds and parks. Each project reflects our signature values: exciting & inclusive design, thorough planning, and quality workmanship.
Jantzen Consulting LLC
Jantzen Consulting LLC
Jantzen Consulting has been providing building construction expertise and management to owners since 1990. Services now include residential structural evaluation, recommendations, design, and home inspections on a quick-response basis. Lou Jantzen, P.E. has over 45 years of engineering and management experience in the building construction industry and now specializes in inspection and consulting services for homeowners, their attorneys, renovators and light construction contractors.
Jantzen Consulting has been providing building construction expertise and management to owners since 1990. Services now include residential structural evaluation, recommendations, design, and home inspections on a quick-response basis. Lou Jantzen, P.E. has over 45 years of engineering and management experience in the building construction industry and now specializes in inspection and consulting services for homeowners, their attorneys, renovators and light construction contractors.

DePietro Design Associates
DePietro Design Associates
We provide architectural services for all new construction and renovations- including both commercial and residential projects.
We provide architectural services for all new construction and renovations- including both commercial and residential projects.
Classic Concrete & Masonry
Classic Concrete & Masonry
Free estimates! Quality work. Warranties. Timely work.
Free estimates! Quality work. Warranties. Timely work.
EHM
EHM
EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.
"I did not get the service that we originally talked about I am very unhappy"
Donna S on August 2021
EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.
"I did not get the service that we originally talked about I am very unhappy"
Donna S on August 2021
The Sullivan, WI homeowners’ guide to structural engineering services
From average costs to expert advice, get all the answers you need to get your job done.

Looking to remove load-bearing walls and vertical supports to open up your living space? Learn about what affects the cost to install an LVL beam.

A new steel I-beam is more durable than a wooden one. Learn what factors can affect steel I-beam installation costs and how to budget for this project.

Need to open up your living space or make room for a home addition? Use this guide to estimate the cost to remove a wall in your home before you start.

Do you have a load-bearing wall standing between you and your projects that you want to remove? Learn about the cost of removing a load-bearing wall.

Structural steel and wood beams ensure your house is structurally sound. Learn the difference between steel and wood beams and how to choose the right one.

Learn why it might be a good idea to hire a structural engineer for a home inspection in addition to a general home inspector when you’re purchasing a home.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"


