The IO-Link Photoelectric Sensors O28 miniature type is a product line associated with industrial automation, typically offered by companies specializing in sensor technology. While the specific brand is not directly listed on referenced sites like Radwell or Grainger, IO-Link is a global standard (IEC 61131-9) for smart sensor/actuator communication, widely adopted by manufacturers such as ifm (Germany), Balluff (Germany), or Pepperl+Fuchs (Germany). These sensors serve industries like manufacturing, packaging, and logistics, providing precise object detection in compact designs. The O28 miniature series likely refers to small-sized photoelectric sensors with IO-Link capability for enhanced diagnostics and parameterization.