GBS Building Supply

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GBS Building Supply GBS Building Supply is a full-service lumber yard and building supply company based in Upstate SC.

"In 1972, a group of 10 Upstate homebuilders—ever in search of a better source for lumber, roofing, millwork and more—decided to construct a company of their own. Who better to run a supply business, they reasoned, than the very folks who purchase said supplies. Today GBS Building Supply operates 7 locations across the Carolinas supplying windows, doors, stone, roofing, siding, millwork, lock hardware, columns, trim, mouldings, cabinetry, countertops, decking & railing, gypsum, lumber & plywood, insulation, and other building materials. In addition, GBS Building Supply operates a custom molding & millwork center and offers kitchen design services and floor system design.

This week, we celebrate the truck drivers who keep US LBM moving every day. Their hard work and commitment help deliver ...
09/16/2026

This week, we celebrate the truck drivers who keep US LBM moving every day. Their hard work and commitment help deliver the materials our customers and communities rely on every day. Thank you for the miles you travel, the early mornings, and everything you do to keep our business moving forward.

Together, we are more. From September 15 to October 15, we celebrate Hispanic Heritage Month by honoring the rich histor...
09/15/2026

Together, we are more.

From September 15 to October 15, we celebrate Hispanic Heritage Month by honoring the rich histories, vibrant cultures, and lasting contributions of Hispanic and Latino communities. Their diverse stories, traditions, and achievements help shape our communities and strengthen America for all.

Join US in celebrating Ron’s 50-year anniversary with Parker’s Building Supply!For five decades, Ron has exemplified ded...
09/03/2026

Join US in celebrating Ron’s 50-year anniversary with Parker’s Building Supply!

For five decades, Ron has exemplified dedication, leadership, and commitment to his team, customers, and community. Thank you for your incredible contributions, Ron!

This summer, our interns turned creativity, teamwork and presentation skills into an opportunity to give back through th...
08/24/2026

This summer, our interns turned creativity, teamwork and presentation skills into an opportunity to give back through the Summer of Giving Challenge.

Teams researched nonprofits, developed their pitches and competed for the chance to direct a $5,000 US LBM Foundation donation to their chosen organization. The winning team, who selected the Peter T Foundation, which supports children battling cancer and their families through positive experiences.

And while one team was selected as the winner, the impact of the experience extended well beyond a single pitch. Inspired by all of the interns’ thoughtful presentations and the causes they brought forward, the US LBM Foundation surprised the other teams by awarding each of them $2,500 to donate to the charities they represented.

What started as a friendly competition became a meaningful opportunity for our interns to build skills, share causes they care about and make a difference in the communities and families we serve.

Congratulations to all of our interns for making the Summer of Giving Challenge a success!

Something exciting is coming to Fletcher, NC! Join us on August 19th as we officially open the doors to the Elevations D...
08/18/2026

Something exciting is coming to Fletcher, NC! Join us on August 19th as we officially open the doors to the Elevations Design Showroom and celebrate a new hub for design inspiration, innovation, and collaboration.

Come enjoy cocktails, culinary bites, networking, showroom tours, and chances to win prizes while connecting with industry professionals.

215 Howard Gap Rd, Fletcher, NC
August 19, 2026
4:30 PM – 7:30 PM

Please RSVP: https://forms.cloud.microsoft/r/CyZyQKesJZ

See you there!

Here’s to the five standout women across US LBM who have been named to HBSDealer’s Top Women in Hardware & Building Supp...
08/11/2026

Here’s to the five standout women across US LBM who have been named to HBSDealer’s Top Women in Hardware & Building Supply list — a recognition celebrating leadership, achievement, and the impact they make across our business and industry.

Business Excellence Award: Crystal Pieschel, Laurie Harmon
Rising Star Award: Andrea Towns, Cat Zhang, Tiffany Springer

Congratulations to the exceptional women shaping the future of our industry — and a special congratulations to our US LBM honorees.

At US LBM, we’re proud to hire and support veterans, recognizing the unique skills and experiences they bring to our bus...
07/24/2026

At US LBM, we’re proud to hire and support veterans, recognizing the unique skills and experiences they bring to our business, customers, and communities.

One year. Zero injuries. One outstanding team.The PA Building Supply team at our Telford Truss facility recently celebra...
07/09/2026

One year. Zero injuries. One outstanding team.

The PA Building Supply team at our Telford Truss facility recently celebrated 365 days injury-free, a milestone that reflects the dedication, teamwork, and safety mindset of every employee across floor, wall, and roof operations.

The achievement was recognized with a special celebration alongside local leadership, HR, and the Safety team, who gathered to thank associates for their commitment to keeping themselves and their coworkers safe.

Here's to continuing to build a culture where safety comes first.

07/02/2026

This Independence Day is especially meaningful as we celebrate 250 years of our nation's history. It's a time to reflect on the values that bring us together and appreciate the communities we are proud to serve.

We hope you enjoy a safe holiday filled with family, friends, and celebration. Happy Independence Day!

Congratulations to the third cohort of our Leading Other Leaders program! This group of exceptional leaders was selected...
07/01/2026

Congratulations to the third cohort of our Leading Other Leaders program! This group of exceptional leaders was selected in recognition of strong performance and meaningful impact in their roles. Over the past year, they’ve completed a development journey focused on continued growth, strengthening their leadership skills and expanding the difference they make across our organization.

US LBM welcomed 51 interns to our headquarters in Atlanta to kick off their 2026 internship experience with us! During t...
06/09/2026

US LBM welcomed 51 interns to our headquarters in Atlanta to kick off their 2026 internship experience with us! During the three-day orientation, the group toured our Brand Vaughan Tucker location, connected with executives and leaders across the business and participated in Blueprint, our new-hire orientation program.
We’re excited to have them with us this summer doing meaningful work across the company, taking part in weekly learning labs and completing a capstone project that showcases the skills and knowledge they build along the way. Welcome, Intern Class of 2026!

As a division of US LBM, we’re proud to share that we’ve been named to the LBM 100 list for 2026. This recognition refle...
05/12/2026

As a division of US LBM, we’re proud to share that we’ve been named to the LBM 100 list for 2026.

This recognition reflects the strength of our people on the ground, backed by US LBM’s scale, support, and partnerships powering our local hustle with national muscle.

Get ready for bold flavors and a standout night at our Vendor Showcase! 🎉 Home Team BBQ of Charleston, SC is back bring...
04/15/2026

Get ready for bold flavors and a standout night at our Vendor Showcase! 🎉 Home Team BBQ of Charleston, SC is back bringing their crowd favorite dishes and unbeatable hospitality. Come hungry—because with this crew on site, you won’t be leaving disappointed.

Perfect spring weather. Great connections. One can’t-miss event. 🌞Join us at the GBS + PBS-Greenville Vendor Showcase 20...
04/14/2026

Perfect spring weather. Great connections. One can’t-miss event. 🌞
Join us at the GBS + PBS-Greenville Vendor Showcase 2026 on Thursday, April 16 (4:30–8:00 PM) at Holland Park (813 Laurens Road, Greenville). Limited attendance—save your spot now!

Experience product demos, live music, Flying Rabbit Adventures passes, giveaways, and enjoy amazing food and drinks from Home Team BBQ of Charleston, SC and Double Stamp Brewery —all with the Upstate’s best builders and material suppliers.

From blueprint to reality - your dream home starts with the right frame. We supply the beams, boards, and expertise to b...
07/08/2025

From blueprint to reality - your dream home starts with the right frame. We supply the beams, boards, and expertise to bring your vision to life.

In observance of Independence Day, GBS Building Supply will be closed on Friday, July 4th.We hope you have a safe and jo...
07/04/2025

In observance of Independence Day, GBS Building Supply will be closed on Friday, July 4th.

We hope you have a safe and joyful holiday celebrating with family and friends! We'll resume normal business hours on Monday, July 7th.

An outdoor space where moments become memories and friends become family. We see it too. Let's build it together with hi...
07/02/2025

An outdoor space where moments become memories and friends become family. We see it too. Let's build it together with high-performance, eco-friendly products from Trex Company .

Schedule a consultation today to work with one of our deck experts and start designing your dream outdoor living space.

🏆🎉 Congratulations to all the winners of the 2025 HBA of Greenville Bridge Awards! 🎉🏆We’re especially proud to celebrate...
04/25/2025

🏆🎉 Congratulations to all the winners of the 2025 HBA of Greenville Bridge Awards! 🎉🏆

We’re especially proud to celebrate our amazing customers who took home hardware across several categories. It’s an honor to be part of your journey in building and shaping the Upstate. Here’s to continued success and beautiful craftsmanship! 👏

Address

103 Old Mill Road
Mauldin, SC
29607

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 3:30pm

Telephone

+18642886754

Website

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