Structure Tone
ConstructionNew York, United States1001-5000 Employees
Structure Tone is a New York-based construction firm founded in 1971 with roots in interior construction. It operates offices in New York, Boston, New Jersey, and Philadelphia, and emphasizes maintaining close client relationships so that no project is considered too small or too large. As part of the STO Building Group, Structure Tone sits within a network of construction companies that total more than 5,100 employees across more than 50 offices, offering a broad spectrum of services from site selection analysis and design constructability reviews to interior fit-outs and infrastructure upgrades. Its client base comprises organizations seeking a range of construction services, including interior fit-outs, new building construction, and building modernization, delivered through a nationwide reach that spans the US, Canada, the UK, and Ireland. The firm is based in New York City and operates as an equal-opportunity employer. In August 2025, STO Building Group announced the launch of Elevator Construction Consultants, a specialized service line aimed at addressing vertical transportation bottlenecks in construction projects.