Located in Mesa, Ariz., W.L. Williamson & Associates are consulting engineers, engaged in test, equipment design and fabrication of electronics. It has expertise in microprocessor hardware/software, digital circuitry systems (CMOS, TTL and ECL), programmable logic circuits, analog circuits and electro-mechanical systems. The company also deals in infrared imaging, printed circuit cord (PCB) design, and specialty test equipment. Its capabilities include circuit/software design , package design, prototype building, testing/debugging and documentation. W.L. Williamson & Associates serves clients which include automotive electronics, telecommunications, medical, industrial, consumer and video applications.