*The Angi rating for Structural Engineering companies in Sullivan, NH 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, NH 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 March 26, 2026
Serving Sullivan, NH and surrounding areas
Approved
In business since 2000
Free estimates
Small jobs welcome
"Dennis was very helpful in the designing of our retirement home. He was welcome to revisions and clarifications at a very reasonable price. I would highly recommend him to anyone seeking design of a single-family home."
Serving Sullivan, NH and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"They were excellent. They quickly made a draft that only needed 3 minor adjustments. The final product was exactly what I needed. They referred me to a structural engineer for review. The whole process took half of the time that they initially estimated. I would definitely use them again."
+23
Serving Sullivan, NH and surrounding areas
Approved (Corporate)
In business since 2023
Offers commercial services
Were a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!
Serving Sullivan, NH and surrounding areas
Approved
In business since 2023
Offers commercial services
Were a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!
Serving Sullivan, NH and surrounding areas
Approved (Corporate)
In business since 2023
Free estimates
Offers commercial services
Terraform Development & Design LLC, delivers expert permit-ready architectural plans and drafting services nationwide. With 8+ years of experience and hundreds of clients across all 50 states, we create code-compliant residential and commercial construction documents that get approved fast and built right.\nFrom site plans, floor plans, elevations, structural & foundation drawings to MEP coordination, full construction sets, 3D renderings, interior design, solar PV layouts, and precise material takeoffs - we handle it all. Fast 4-6 week turnaround, 3 design revisions included, free revisions for city redline changes, transparent pricing (starts at $2,000), and direct partnerships with licensed engineers for stamps in every state.
Serving Sullivan, NH and surrounding areas
In business since 2005
Free estimates
Emergency services offered
"I've decided to do the work myself with some help from my son. The price was way more than I thought it would be and I could use some natural materials and spend less money. The representative from the company was professional and knew his product but, over $ 14,000 for a tub/shower replacement was way more than I wanted to spend."
+41
Serving Sullivan, NH and surrounding areas
In business since 1983
Free estimates
Emergency services offered
"I had a door hung and some plastering work done. The door install was great, the rest looks like a mess and will need to be done again/finished.
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+37
Serving Sullivan, NH and surrounding areas
In business since 2017
Credit card accepted
At JMK Designs, we take great pride in our experience, expertise, quality and customer service that we provide. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
Serving Sullivan, NH and surrounding areas
In business since 2015
Free estimates
Emergency services offered
"I was really under the gun due to a prior Architectural firm not performing their duties per building plan codes. Not only were the plans incomplete but the City Plan Reviewer states(The Worst plans he’s ever seen) they will not make adjustments unless there is an additional charge for Thousands. Evaluation’s saved my clients and drew our project per code, along with Engineering in less time then they quoted. I highly recommended them, Especially Kirsten. You went above and beyond trying to coordinate this project. The staff was very professional and I will use them on all my projects. Sincerely, Frank B BCM Builders"
Serving Sullivan, NH and surrounding areas
In business since 2016
Free estimates
Credit card accepted
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n
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