Established in 1982, Williamson and Associates is a geophysical consulting firm, providing industry expertise in surveys and engineering. Based in Seattle, Wash., the firm caters to international clients that operate in industrial, military and academic organizations. Its scope of work involves search and recovery; ocean engineering; marine cable route planning; gas, oil and geophysical surveys; sidescan sonar; magnetometer survey; core sampling; CPT soil penetration testing and many more. Its ocean engineering services includes conceptual design, 3-D modeling, assembly and ultimately field operation.