We had a really great experience working with ALPEX Building Co. Dillon was easy to work with, and the whole process went smoothly from start to finish. He was efficient, kept things moving, and communication was great throughout the project. We really appreciated how responsive and knowledgeable Dillon was along the way. We’re so happy with the finished product and would definitely recommend ALPEX Building Co. to anyone looking for a commercial building company!

About Us
ALPEX has been in business since 2018 and was founded by Dillion Pepin, PE, a licensed structural engineer who gradated from UCONN in 2018. Led by an engineer, ALPEX, was built to solve the confusion in the local steel building industry by providing a simple and enjoyable experience for constructing a high value, high quality, structurally sound steel building.
Why ALPEX
What Sets Us Apart
Exceptional Service
You can trust ALPEX to deliver exceptional CT steel fabrication and building services. We'll do whatever it takes to ensure your complete satisfaction.
Competitive Pricing
Our priority is your satisfaction, so we keep our prices low and our quality high. We promise a quality product at an affordable price.
Attention to Detail
We believe the smallest details make the biggest difference. That's why our crews are trained to focus on every detail, no matter how small.
Quick Turnaround
We have a proven track record of delivering exceptional results on time, every time — no matter the size or scope of your project.
Professional Team
We employ only professionals on our in-house fabrication team, keeping safety a priority and ensuring your results last.
- Licensed structural engineers
- Certified welders
- Certified CDL Class A drivers & equipment operators
Warranty
Our workmanship is second to none. We stand behind our work and back it with a warranty to meet your exact job specifications.
Our Services
Steel Frame Buildings- Commercial/IndustrialOur Steel Frame Building service offers owners durable, cost-effective solutions with customized designs. Expert engineering ensures lasting quality, enhancing both functionality and aesthetic appeal for your property.
Post Frame Buildings- Residential/AgriculturalOur Post Frame Building service offers residential and agricultural owners a perfect opportunity for expanding your property with customizable solutions that ensure longevity and structural integrity for various applications.
Miscellaneous Metals & Welding ServicesOur Miscellaneous Metals service is completed from start to finish with quality in mind. From railings to custom fixtures, we provide craftsmanship that blends functionality with design.
Prefab Building Repairs & AdditionsOur Prefab Building Repairs & Additions service provides owners with expert construction and maintenance solutions, ensuring durable, high-quality roofs and structures that enhance safety, efficiency, and the overall value of your building.
How We Work
Our Proven Process
With a large project, simplicity is key. Here are the major steps we focus on, one at a time, from concept to completion.
Proposal
Permitting
Foundation
Finishing
Future Business
Contact / Proposal
- Simply reach out with an idea or any relevant information.
Design / Permitting
- We handle all correspondence with the town to ensure permit approvals.
Sitework / Foundation
- While we wait for the building to be delivered, we complete the following:
- Site work
- Foundation work
- Surveys
Building / Finishing
- Build the building.
- Smile.
Support & Future Business
- Congrats on your new building!
- Our doors are always open.
Get a quote
- 1
Send us a text
- 2
Chat on the phone
- 3
Receive a quote
Reviews
Areas We Serve
- Farmington, CT
- New Haven, CT
- Hartford, CT
- Waterbury, CT
- New Britain, CT
- West Hartford, CT
- Bristol, CT
- Meriden, CT
- Hamden, CT