Beyond individual panels, the overarching efficiency of an industrial facility depends on seamless control system integration. This is the domain of the control system integrator (also known as a control systems integrator), or a specialized controls integrator or controls systems integrator. These professionals are the architects who bring disparate control elements together, ensuring they communicate and operate harmoniously. Whether it's a dedicated conveyor control system ensuring smooth material flow or a BAS control panel (Building Automation System) managing environmental controls and security in a commercial building, the integrator's role is critical. Often, a contract engineer is brought in to oversee specific aspects of these complex integration projects, ensuring all technical specifications are met.