Acuity (formerly known as Acuity Brands) is a company that designs and manufactures lighting and control products. It operates through two segments: Acuity Brands Lighting (ABL) and Intelligent Spaces Group (ISG). The ABL segment provides lighting fixtures and control systems for commercial, architectural, and specialty applications, primarily using LED technology. The ISG segment develops hardware and software for building automation, covering HVAC, lighting, access, and energy management. The company caters to healthcare, infrastructure, education, retail, and other markets.