About John A. Marshall

John A. Marshall

John A. Marshall Co. brings over a century of insight, creativity, and integrity to every space we design. With deep roots in Oklahoma and a reach that spans the nation, we craft interiors that go beyond aesthetics—creating environments that empower people and fuel productivity. From forward-thinking office spaces to functional healthcare and educational settings, we collaborate closely with our clients to turn ideas into tailored, high-performance realities. Whether you're outfitting a corporate campus or refreshing a single workspace, our team delivers a seamless experience grounded in innovation and reliability.

As a fourth-generation, family-owned business and a proud MillerKnoll Platinum Certified Dealer, we merge tradition with top-tier expertise. Our offerings include everything from flooring and furnishings to architectural products, all backed by personalized service and industry-leading research. For over 100 years, we’ve built our reputation on lasting partnerships and transformative spaces. Let’s reimagine what your space can do—because when design meets purpose, great things happen.