We design, engineer, fabricate, and install backlit translucent stone panels, including backlit onyx, for iconic commercial spaces around the world.

“GPI is unquestionably one of the most precise companies we have had the pleasure of working with. They masterfully delivered a one-of-a-kind piece of backlit art for our new CIBC Square building, and it’s the talk of Toronto. We simply could not be happier with GPI Design.”

— John Frank, Vice President of Construction, Hines Canada

“I highly recommend the team at GPI Design for any custom backlit feature. Their competence and expertise is on brilliant display at our award winning lobby here in The Four Seasons Beverly Hills.”

— George Keppler, Senior Vice President, Genton Properties, Four Seasons Beverly Hills

“Thank you Tom, and the talented GPI Design team for exceeding our expectations at Franklin Square, Washington DC, you guys are a unique find.”

— Vince McCullough, Vice President Construction, Hines

“We can’t thank you guys enough for such a well-executed plan and finished product. We love this feature, it’s the signature piece that sets our space apart. Thank you team GPI!”

— Keven Sharkey, Vice President, Turner Construction, New York

“We can’t thank your team enough. Daily, we get compliments on our beautiful backlit feature.”

— Suhail Risvi, Construction Manager, Meisei Resturant, Adliya, Bahrain

“Phenomenal work GPI. So much professionalism and talent from your detailed design team to your dedicated installers. We couldn’t be happier with this beautiful backlit entrance portal. We endorse these pros and will work with them again.”

— Santiago Agardy, V.P. Ritz Carlton Miami Beach, FL

“We are so impressed with your professionalism and execution. Team GPI is one in a million.”

— Karim Nassar, Tahuud Construction, Masdar City, Abu Dhabi

“Woods Jupiter is a local jewel thanks to your team. Well done GPI Design. We will see you again in our next location!”

— Tiger Woods, Woods Jupiter, FL

“WOW! Such a pleasure working with the detailed team at GPI. From design through install, we couldn’t be more impressed”.

— Seth Glassman, Directing Partner, Gravitas Los Angeles

“Our backlit stone elevators are a hit! We can confidently recommend the GPI team to anyone considering a unique feature.”

— Mr. James, Operations Manager, Crown Sydney Resort, Sydney, Australia

“GPI Design did exactly what they promised, delivering an amazing work of art in backlit stone, on time and in budget.”

— J. Younge, Shanghai Disneyland

“The multiple backlit art glass feature walls at both the CIBC Square and the Scotia Bank Arena footbridge are bright, beautiful, and recognized as an indespensable part of our projects sucess. Our experience could not have been more pleasant, and as such, we have absolutely no hesitation in recommending the GPI team.”

— Alex Richter, Associate Principal, Bay St. Bridge

“It was through GPI’s experience and diligence in working with the artists, and of course with the Ownership group in such a collaborative manner, that we ended with a truly isonic statement at CIBC Square...we highly recommend Tom and his talented team at GPI Design.”

— John Frank, Senior Vice President, Hines Corporation

“We tried to light our bar with a different method, it didn’t work. When we approached GPI, their team created shops, produced the lighting system, and delivered in 10 business days. The brightness, consistency of the light, and simple conrol systems really show off the beauty of the onyx. We could not be more impressed.”

— Michael Guleserian, Chief Executive Officer of Sheraton Commander Hotel

“At the core of one of the most luxurious high end residential buildings in Sunny Isles, Florida - Mansions at Acqualina; the backlit onyx wall and ceiling in the lobby stand out as an extraordinary unique piece of art. From the stone selection to creative engineering and craftsmanship in installation, your competence, vast expertise, and commitment to excellence exceeded my expectations. Your personal attention to every detail is invaluable. Rarely has a supplier given me such level of satisfaction.”

— Natalia Valdes, STA Architectural Group