Time Mark Corporation was founded in early 1972 and incorporated in the state of Oklahoma on May 2, 1972.   Design efforts began on a line of monitoring devices for sensing the condition of three-phase power lines.  Time Mark product lines have expanded greatly, as customers needs increased and requests were met.  Time Mark Corporation products are distributed throughout the United States and exported to an expanding international customer base.  Standard catalog products are marketed through a combination of local distributors, Time Mark representatives, and direct sales personnel.  Time Mark products are marketed under two trade names: "Time Mark", which includes the basic lines of industrial controls, and "Signaline", which is a recognized brand name for all of their timing devices.  Time Mark Corporation products include: 3-Phase Monitors, Time Delay Relays,  Current Monitors, Voltage Sensors, Pump/Motor Load Controls, and Special Controls.  Time Mark is a world leader in the design and manufacturing of 3-phase sensing devices.  Included in the product line are reverse phase detectors, phase loss sensors, and phase unbalance sensors.  A full line of industry standard time delay relays are manufactured under the "Signaline" trade name.  Both single-phase and 3-phase models are availiable to sense over and under current conditions.  Current transformers are also availiable.  AC and DC models are availiable to sense over voltage, under voltage, and voltage band.  Submersible pump load sensors, sewage lift station controls, liquid level controls and sensors, and motor load monitors are standard.  Capacitor trip devices, power supplies and power factor regulators; two hand safety control.