SICK Inc. manufactures a number of industrial photoelectric sensor types including: miniature, small, compact, cylindrical, zone control roller conveyor, fiber optic, laser, hygienic, and AS-Interface. The company also develops photoelectric sensors for transparent objects and explosive environments, along with sensors that feature PinPoint technology.

Autonics manufactures 12 series of photoelectric sensors that feature power supplies of 12-24 VDC, 5-24 VDC, 24-240VDC, or 18-35 VDC. The various photoelectric sensors feature sensing distances of 1m, 2m, 3m, 20m, 50m, 100m, 200m, 300m, 500m, and 700m.

Schneider Electric manufactures a number of photoelectric sensors types including: barrel, DIN-rail fiber optic, dual mount snout, fork, frame, miniature rectangle, pedestal, rectangular, small rectangle, and thin fork. The fork photoelectric sensors are self-contained thru beam sensors used for 1.59mm to 101.6mm detection applications.

Banner Engineering designs and manufactures full-size, midsize, compact, and miniature photoelectric sensors. The full-size photoelectric sensors can sense distances up to 200 m, while the midsize sensors can detect up to 60 m. The compact sensors feature a sensing distance of up to 30 m. The miniature sensors are for mounting in confined spaces and have sensing distances up to 4 m.

Balluff Inc. manufactures nine types of photoelectric sensors including: tubular, block, light grid, slot, angle, window, fiber optic amplifier, machine vision, and fiber optics. The various sensors are used in a number of applications including: vial cap inspection, washdown sensors, bottle counting, blister pack cutting, pill counting/packaging, jar error proofing, color mark detection, separation of gaskets, alignment issues, part count monitoring, object positioning, color discrimination, parts-out sensing, parts thickness, position detection, conveyor part counting, sorting and feeding, solar glass detection, and weld seam verification.

Baumer Ltd. manufactures distance and intensity based photoelectric sensors, beam interruptive photoelectric, fiber optic photoelectric sensors, color-based photoelectric sensors, and shaped-based photoelectric sensors. The various sensor types feature sensing distances of 0-50mm; or more than 50mm, 200mm, 500mm, or 2000m. All the sensors are cylindrical or rectangular.

HTM Sensors develops and manufactures a family of photoelectric sensor types including: advanced performance, compact multi-mount, universal mounting, cylindrical, multi-purpose, terminal mount, multi-voltage, slot, and miniature. Detection modes for the various sensor types include through-beam, retroreflective, polarized reflective, diffuse, fiber optic, clear object, color contrast, and background suppression.

IFM Efector Inc. manufactures photoelectric sensors including infrared sensors for position sensing, laser sensors for long-range object detection, and fiber optics for limited space applications. The company also produces photoelectric sensors for clear glass, contrast and color.

Keyence America develops and manufactures heavy-duty photoelectric sensors and self-contained photoelectric sensors. The heavy-duty sensors feature detecting distances of 4m-20m, 10m-40m, or 400m-2000m. Some of the self-contained sensors are threaded, feature automatic calibration, or are intended for side-by-side operation. The company also produces a one-touch calibration amplifier that feature 4 meter detecting distance.

Leuze Electronic Inc. manufactures forked photoelectric sensors that feature operating voltages of 10-30 VDC or 18-30 VDC. The forked sensors are available as through beam photoelectric sensors, and can detect small objects, paper labels, and transparent paper labels - depending on model.

Telco Sensors Inc. manufactures harsh environment photoelectric sensors and light industrial photoelectric sensors. The harsh environment sensors can penetrate high water spray, sawdust, fog, steam, dust, grease, and oil. The light industrial sensors can be AC/DC or DC, and are used for industrial doors, conveyors, packaging machines, light rail cars, buses, and transportation doors and gates.

Allen Bradley, a Rockwell Automation Co., manufactures 18mm plastic-cylindrical, general purpose photoelectric sensors for light and medium-duty industrial applications. Featuring 10-30 VDC operation, two LED indicators, and NPN or PNP outputs; the sensors have a response time as fast as 0.5 ms for background suppression models and 2ms for other models.

Automation Direct distributes a number of photoelectric sensor types including: high performance AC/DC, DC rectangular, 5mm round - stainless, light screen, AC/DC rectangular, 8mm round- metal, 12mm round - metal, 18mm round- metal, 18mm AC powered, and 18mm round - nonmetal. The company recently began supplying photoelectric sensors rated for harsh-duty/food and beverage applications.

Automation Systems Interconnect Inc. manufactures 18mm barrel photoelectric sensors with through beam, diffuse reflective, retro-reflective, and polarized reflective output configurations. Some of the sensors' features include programmable outputs, AC or DC voltage, LED indication, sensitivity adjustment, and short circuit and polarity protection.

Avago Technologies designs ambient light photoelectric sensors that detect an amount of light and determine if backlighting is needed. These sensors can also control the on and off or a lighting system. The ambient sensors have supply voltages of 2.4-5.5V, 1.8-5.5V, 2.0-3.6V, 2.4-3.0V, or 2.7-3.6V.

Contrinex develops industrial photoelectronic sensors that feature various operating principles including: accessory, color sensor, diffuse, fiber-optic amplifier, liquid monitoring, reflex, and through-beam. The various sensors feature cable, connector S12, connector S8 or screw terminal connections, with operating ratings of 10-50,000.

Fargo Controls Inc. produces photoelectric proximity sensors that are 18mm diameter or 13mm fork shape types. Featuring AC or DC voltage, the 18mm sensors feature thru beam of 1500 cm, reflection with reflector of 250 cm, and plastic or stainless steel housing.

PLC Center.com supplies photoelectric sensors manufactured by Balluff, Banner Engineering, Lapp USA, Braun, Motion Industries, Bugmaster, and Newark Electronics.

Steven Engineering distributes photoelectric sensors manufactured by Banner Engineering, Danaher Control, IDEC, Pepperl+Fuchs, Red Lion Controls, and Schneider Electric.