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Keystone Manufacturing & Engineering

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Keystone Manufacturing & Engineering

A leader in thermal actuators, Keystone custom designs and engineers every thermal actuator.

04/05/2026

He Is Risen

Easter is more than a holiday—it is a powerful reminder of hope, redemption, and new life.

At the heart of Easter is the message that Jesus Christ willingly gave His life for us and rose again, defeating sin and death. His resurrection reminds us that even in the darkest moments, God’s grace, love, and promise of renewal are greater than anything we face.

Just as spring brings new life after winter, Easter reminds us that through Christ there is always the promise of renewal, forgiveness, and hope.

“He is not here; He has risen, just as He said.” – Matthew 28:6

From all of us at Keystone Manufacturing and Engineering, we wish you and your families a blessed Easter filled with peace, joy, and reflection on the incredible gift of Christ’s love.

04/03/2026

Good Friday is a solemn reminder of the incredible sacrifice that Jesus Christ made for the world. On this day we pause to remember the suffering He endured on the cross and the depth of His love for humanity.

What appeared to be a moment of darkness was, in truth, the beginning of the greatest act of redemption. Through His sacrifice, we are reminded that love, grace, and forgiveness are stronger than sin and suffering.

“But He was pierced for our transgressions, He was crushed for our iniquities; the punishment that brought us peace was on Him, and by His wounds we are healed.” – Isaiah 53:5

As we reflect today, may we remember the humility, love, and sacrifice that Good Friday represents—and the hope that it points toward.

From all of us at Keystone Manufacturing and Engineering, we wish you a peaceful and meaningful Good Friday.

03/29/2026

Today we celebrate the heart of communities everywhere—mom and pop businesses. These small, family-run companies represent hard work, dedication, and the entrepreneurial spirit that keeps our local economies strong.

At Keystone Manufacturing and Engineering, we understand that story well. As a family-owned business, we know firsthand the commitment it takes to build something meaningful—long hours, tough decisions, and a passion for doing things the right way.

Mom and pop businesses aren't just companies—they're families investing in their communities, building relationships with customers, and creating opportunities for future generations.

Today we encourage everyone to support a local business, thank a small business owner, or share your favorite mom and pop shop in the comments.

From our family to yours, thank you to all the small business owners who help keep our communities thriving.

03/20/2026

The first day of spring is finally here! After a long winter, it’s great to see longer days, warmer temperatures, and everything starting to come back to life. ☀️🌱

At Keystone Manufacturing and Engineering, spring always feels like a fresh start—new projects, new ideas, and plenty of momentum for the months ahead. Just like the changing seasons, manufacturing is always moving forward, adapting, improving, and building what comes next. 🔧

So whether you’re enjoying the sunshine, planning spring projects, or just happy to see the cold weather behind us, we hope you take a moment today to appreciate the start of a new season full of opportunity.

💬 What’s your favorite thing about spring—warmer weather, longer evenings, or getting back outdoors? Let us know below!

03/17/2026

🍀 Happy St. Patrick’s Day from Keystone Manufacturing and Engineering! 🍀

Today we’re celebrating a little luck of the Irish—but in manufacturing, we know success usually comes from hard work, precision, and a well-engineered plan.

Just like finding a four-leaf clover, great results often come from paying attention to the small details. Whether it’s machining components to tight tolerances or designing reliable thermostatic valves, the right process makes all the difference.

So today we hope your day is filled with:
🍀 A little luck
⚙️ Smooth-running systems
☘️ And maybe a good Irish meal to celebrate

And remember: good engineering might not be luck, but when everything works perfectly—it sure feels like it!

💬 Tell us in the comments: Corned beef & cabbage or shepherd’s pie—what’s your St. Patrick’s Day favorite?

03/14/2026

Happy Pi Day! (3.14)

Today we celebrate one of the most famous numbers in mathematics — π (pi) — the constant that helps engineers, scientists, and manufacturers understand the world around us. From calculating circles and cylinders to designing precision components, pi plays a role in more places than most people realize.

At Keystone Manufacturing and Engineering, precision math is part of everyday life. Whether it's machining components, designing thermostatic valves, or calculating tolerances, numbers like π help ensure everything fits, flows, and functions exactly as intended.

Fun fact: π never ends and never repeats — mathematicians have calculated trillions of digits, and they're still going!

Of course, there's another important part of Pi Day… pie. 🥧

So today we're curious:
Do you prefer apple, cherry, or pecan pie? Let us know in the comments!

#314

03/09/2026

Spring Is in the Air!

Warmer temperatures, longer days, and that first hint of spring in the air—it’s a welcome change after the colder months! Here at Keystone Manufacturing and Engineering, we’re enjoying the spring-like weather just like everyone else.

While the seasons change, one thing stays the same: our commitment to precision, reliability, and keeping things running smoothly. Just like spring brings fresh energy and new beginnings, we’re always looking forward to the opportunities ahead and the projects that help keep industry moving forward.

So take a moment today to enjoy the sunshine, get a little fresh air, and maybe start thinking about those spring projects you’ve been putting off.

What’s your favorite thing about the first signs of spring? Let us know in the comments!

01/01/2026

Welcome to 2026

As the calendar turns, we’re grateful for the year behind us and excited for the opportunities ahead. The New Year is a time to reflect, reset, and move forward with purpose.

At Keystone Manufacturing and Engineering, we’re entering this next chapter committed to what matters most—quality craftsmanship, continuous improvement, and strong relationships built on trust and hard work.

Here’s to new goals, new challenges, and continued growth in the year ahead. Thank you for being part of our journey.

✨ Wishing you and your family a healthy, successful, and prosperous New Year.

12/25/2025

“For unto us a Child is born, unto us a Son is given.” – Isaiah 9:6

This Christmas, we celebrate the greatest gift ever given—the birth of Jesus Christ, our Savior. His coming brought hope, peace, and redemption to the world, and His light continues to guide us today.

At Keystone Manufacturing and Engineering, we’re grateful for the blessings of faith, family, and the opportunity to serve others through our work. As a family-owned business, we’re reminded this season that the values Christ taught—humility, love, and service—are the foundation of everything that truly matters.

From our family to yours, may your Christmas be filled with joy, peace, and the hope found in Christ.

Merry Christmas. He is the reason for the season.

11/11/2025

November 11, 2025

Today, we pause to honor the bravery, sacrifice, and service of the men and women who have worn our nation’s uniform.

At Keystone Manufacturing and Engineering, we are deeply grateful to the veterans who have defended our freedoms—many of whom continue to serve their communities and workplaces with the same dedication and strength they showed in uniform.

Your courage inspires us to work with integrity, purpose, and pride every day.
To all who have served, and to the families who stand behind them—thank you.

10/28/2025

🍁 Hello Fall! 🍁

Crisp air, cozy vibes, and a fresh new season ahead.

At Keystone Manufacturing and Engineering, we love this time of year—the smell of fresh coffee in the shop, cooler mornings that make everything feel a bit more focused, and the reminder that change can be a beautiful thing.

As the leaves turn, we’re embracing new ideas, fine-tuning our craft, and gearing up for what’s next. Whether you’re watching the Vols play, sipping something pumpkin-flavored, or just enjoying a quiet drive through Tennessee’s fall colors—here’s to a season of progress and possibility.

🍂 What’s your favorite part about fall?

Address

201 Avecor Drive
Vonore, TN
37885

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Website

http://www.keystonemfg.net/

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