Ternion Builders, LLC

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Ternion Builders, LLC Ternion Builders, LLC, is a woman-owned commercial construction company in Frederick, Maryland.

🎉 Celebrating a DECADE of Karmic Craftsmanship! 🎉

Ternion Builders, LLC, is a woman-owned commercial construction company (currently seeking 8a/MBE/DBE status) based in Frederick, Maryland. We provide:

* general contracting
* construction management
* design/build services
* site development
* value engineering
* federal government security clearances
* specialization in historic renovations
* LEED (R) certification

We serve both the Baltimore & Washington Metropolitan areas, and offer 30+ years of experience in building:

* offices/retail,
* multi-family housing,
* flex/warehouses,
* government/educational/medical facilities, and
* tenant build-outs.

It's  ! "(Ternion Builders) were professional and efficient. They did a wonderful job communicating every step of the wa...
10/13/2026

It's !

"(Ternion Builders) were professional and efficient. They did a wonderful job communicating every step of the way. They navigated the challenge of completing the work without impacting our ability to serve clients. They delivered a beautifully delivered project on-time. Mark and the team are incredible. We would hire them again and I recommend them to any business."

Our project at Acorn Health in Frederick, MD consisted of the addition of 3 staff offices within an existing playroom. Our crews worked early/late weekday hours as well as weekends to minimize disruption to the littles attending sessions in the occupied space.

Thinking about reconfiguring your workspace? Give Ternion Builders a call today and let us help you maximize every square foot!







10/08/2026
It's  !"Even if their cost wasn't already well within a reasonable range, we would be more than happy to pay a premium f...
10/06/2026

It's !

"Even if their cost wasn't already well within a reasonable range, we would be more than happy to pay a premium for those benefits. We trust them implicitly and you will, too." — Brian Kolbay, CTO of Arachnidworks

With a growing team, Arachnidworks founder Monica Kolbay & partner in all things Brian Kolbay opened up the third floor of their historic downtown building for more usable space. Expanding UP also meant expanding OUT: an exterior staircase was added to provide another egress that complied with City of Frederick Historic Preservation Commission (HPC) guidelines in addition to building codes.

TY Monica and Brian for trusting a fellow husband/wife small business with your priceless piece of Frederick history! 💛

Be sure to sneak a peek at Ternion's work anytime you're strolling along Caroll Creek!








Still grinning after her first day with the Ternion Team! 😁Join us in welcoming Caila Valdez, our new Assistant Superint...
10/02/2026

Still grinning after her first day with the Ternion Team! 😁

Join us in welcoming Caila Valdez, our new Assistant Superintendent Intern.

We first met Caila on the Crossroads of Kensington project when she was a field inspector for one of our geotech trade partners. After some time off to finish a Building Trades Technology degree at Montgomery College, she’s back—and now part of the crew! 💛

What do you love most about working with Ternion Builders? Leave a COMMENT to give Caila a warm welcome and a peek at what’s ahead! ⬇️







It's  !“Ternion Builders is a GC unlike any I have ever met. They are communicative, supportive, timely, and thorough — ...
09/29/2026

It's !

“Ternion Builders is a GC unlike any I have ever met. They are communicative, supportive, timely, and thorough — we have received great value when we collaborate with Ternion Builders on our projects.” — Rebekah Collogan, Phoenix Mecano North America

Proud to continue delivering updates to Phoenix Mecano's Frederick offices and manufacturing center. From pre-construction planning to final handover, our team handles every detail so our client could focus on business.

Ready to build something great? DM us or visit www.ternionbuilders.com to get started.

09/24/2026

Why hire a commercial GC or construction manager?

We often hear potential clients claim they "know a guy" who will frame up walls, update wiring, hang drywall or lay tile to keep construction costs down.

While this may be true. there's often a hidden cost associated with this choice: TIME.

Business owners who go this route rarely take into account all the scheduling and coordination that then falls on their shoulders. This is where TERNION BUILDERS comes in.

Our team works directly with licensed & insured subcontractors to negotiate competitive pricing, schedule crews, and directly supervise work performed so business owners don't have to.

We supply daily reports with photos that document the crews on site, the work performed, and related tests conducted.
We also handle payment to subcontractors when the scope of work is complete & passes inspections on behalf of our clients. And we even provide a 1 year warranty on every inch of the build.

"That guy" may be a loyal friend and even a master craftsman …but managing a commercial project takes more than skilled hands—it takes coordinated scheduling, qualified trades, documentation, accountability, and consistent oversight from start to finish.

Let TERNION BUILDERS manage the moving parts so you can stay focused on running your business.

Planning a commercial renovation, build-out, or expansion? Contact TERNION BUILDERS today to discuss your project and get a trusted construction team in your corner.

09/23/2026

🚨BREAKING NEWS:🚨
Ternion Builders Ascends to Top Spot in the Nation

When you’re built to be number one, Mt. Whitney is the perfect backdrop!

REAL TALK:
Photo credit to our friend Patrick Palavacino who brought a piece of us along on his own monumental journey.

Congratulations, Pops...and THANK YOU for partnering with Ternion Builders to reach new heights! 💛🏔️

09/21/2026

May this day be meaningful and transformative for all who observe it. G'mar Chatimah Tovah to all.

Today's Lunch & Learn hosted by the Frederick County Building Industry in honor of   was LEGENDARY! 💪🏼 Members of the Am...
09/17/2026

Today's Lunch & Learn hosted by the Frederick County Building Industry in honor of was LEGENDARY! 💪🏼 Members of the American Rosie The Riveter Association Laurel MD Chapter shared stories of patriotism, grit and sacrifice as a generation of women joined a call to action during worldwide conflict

DYK female descendants of women serving the wartime efforts are known as "Rosebuds" while male decendants are known as "Rivets"??? 💕

Even more special was sharing the room with so many PWB colleagues and forming new connections with other 21st Century "Rosie's"!

09/12/2026

LOTS happening around Frederick today! got nothing on us tho!

Address

P. O. Box 1733
Frederick, MD
21702

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+12405783843

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