Fin-Con Assembly Group

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Fin-Con Assembly Group We are a contract manufacturer of custom wire harnesses and cable assemblies.

Fin-Con began in 1991; we have grown and continue to mature as a supplier known for our open and honest approach to doing business. Beginning in 1990 with a group of experienced personnel from the wire harness and cable assembly industry, Fin-Con has grown and continued to mature as a supplier known for our caring and honest approach to doing business. Part of the Fin-Con strategy is to build a partnership with our customers so we can gain the necessary insight and understanding of your business in order to better serve your needs.

Happy Manufacturing Day!Today, we proudly celebrate Manufacturing Day and recognize the skilled professionals whose hard...
10/02/2026

Happy Manufacturing Day!

Today, we proudly celebrate Manufacturing Day and recognize the skilled professionals whose hard work, innovation, and dedication drive our success every day.

At Fin-Con, we understand that manufacturing is more than just producing quality products. Manufacturing is about teamwork, craftsmanship, problem solving, and a commitment to excellence. Our employees are at the heart of everything we do and help us deliver outstanding results for our customers.

We are grateful for the talented individuals who make a difference each day and we are excited for the next generation of manufacturers who will continue to shape the future of our industry.

As Fin-Con celebrates 35 years in business this month, we are also celebrating one of the people who helped make these p...
10/02/2026

As Fin-Con celebrates 35 years in business this month, we are also celebrating one of the people who helped make these past 35 years possible.

After 34.75 years of service, Sue is officially retired! Her dedication, hard work, and commitment have been key to Fin-Con’s success.

Thank you, Sue, for everything you have contributed and congratulations on your well deserved retirement! We’ll miss you!

As we reflected over Labor Day weekend, we were reminded of the impact our team's hard work has on our customers every d...
09/08/2026

As we reflected over Labor Day weekend, we were reminded of the impact our team's hard work has on our customers every day.

Sometimes, amid our daily responsibilities, it can be difficult to see just how much of a difference we make. Reviewing the feedback from our Customer Satisfaction Survey helps remind us of the importance of our work and the difference we make by providing quality products to our customers.

We are proud to see our commitment to quality, flexibility, responsiveness, and customer service is recognized by those we serve. From appreciation of our communication to recognition of our willingness to go the extra mile, these comments reflect the dedication and effort our team demonstrates throughout the year.

Thank you to everyone whose hard work contributed to these successes. We hope you had a wonderful Labor Day weekend and took pride in the positive impact you helped create.

This 4th of July we celebrate 250 years of America. A nation built upon the ideals of freedom, liberty, and justice for ...
07/04/2026

This 4th of July we celebrate 250 years of America. A nation built upon the ideals of freedom, liberty, and justice for all, including a history of perseverance and innovation.

At Fin-Con, we are proud to say our products are made right here in the United States of America. Our team reflects the same hardworking values that have helped shape our nation for generations.

Today, we honor those who fought for our freedoms, those who continue to protect them, and the communities that make America strong.

We wish everyone a safe and enjoyable Independence Day filled with family and friends.

Happy 4th of July from all of us at Fin-Con!

Ever wonder what goes into building a wire harness?Our production process begins with one goal: delivering a quality pro...
06/29/2026

Ever wonder what goes into building a wire harness?

Our production process begins with one goal: delivering a quality product from the very first build.

We start by reviewing drawings, confirming tooling, creating work instructions, and building a first article. Once we receive customer approval on the first article, we then release the balance to our production team. This process helps keep every harness consistent.

Efficient. Repeatable. Customer‑focused.

Quick overview of our production process:We review a drawing or s...

At Fin-Con, we understand mistakes can happen. After all, that's part of being human. What sets us apart is how we learn...
06/11/2026

At Fin-Con, we understand mistakes can happen. After all, that's part of being human.

What sets us apart is how we learn from our mistakes and make adjustments moving forward.

Each "mistake" is just an opportunity for improvement.

At Fin-Con we understand mistakes can happen. After all, we are all...

A big thank you to Missouri Association of Manufacturers for the warm welcome! At Fin‑Con Assembly Group, we’re proud to...
05/27/2026

A big thank you to Missouri Association of Manufacturers for the warm welcome!

At Fin‑Con Assembly Group, we’re proud to be part of such a strong manufacturing community and truly appreciate all MAM does to support manufacturers across the state of Missouri.

We’re excited to connect, collaborate, and grow together as this partnership gets underway.

Looking forward to what’s ahead! 🤩

Welcome to MAM, Fin-Con Assembly Group, Inc.! Located just outside St. Louis, Fin-Con has steadily grown into a trusted supplier of wire harnesses and cable assembly since their beginning in 1991. Their team's capabilities allow them to serve a broad industry base, including Communication, Electroni...

I hope everyone had a fun and safe Memorial Day weekend.Memorial Day is a time to remember and honor those who gave thei...
05/26/2026

I hope everyone had a fun and safe Memorial Day weekend.

Memorial Day is a time to remember and honor those who gave their lives for our freedom. Their sacrifice will never be forgotten.

Thank you to the ones that serve our country🇺🇸
Land Of The Free Because Of The Brave

05/19/2026

What is one thing we never take for granted at Fin-Con?

Our people.

Every day, we are thankful for our team, our customers, and each new person we connect with.

Whether we first connected years ago or just met for the first time today, we hope YOU know we appreciate you! 😊

05/18/2026

Thank you to everyone who stopped by our booth at the D2P Schaumburg show and entered our drawing for a chance to win a $50 eGift Card!

Congratulations to the winner, Dan Kruse!!

Address

76 N Central Drive
O'Fallon, MO
63366

Opening Hours

Monday 7am - 4:30pm
Tuesday 7am - 4:30pm
Wednesday 7am - 4:30pm
Thursday 7am - 4:30pm
Friday 7am - 4:30pm

Telephone

+16362810203

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