Anthony Spencer Davis

Part of Coda Octopus Group, Inc., Martech Systems Ltd. is a British company that specializes in designing electronic, electrical, and mechanical assemblies for various industries such as defense, aerospace, subsea, maritime, automotive, and medical. The company is based in Weymouth, UK. The company creates customized PC-controlled instrumentation systems and interfaces. Martech Systems was acquired by Coda Octopus Group, Inc. on July 13, 2006 for $4.54 million.

Coda Octopus Products Ltd. provides hardware and software systems used for tasks such as marine geophysical surveying, motion sensing & positioning and 3-D acoustic imaging. It also offers services such as consulting, support and maintenance. The company was formed by the 2002 merger of Coda Technologies & Octopus Marine Systems and is headquartered in Edinburgh, the United Kingdom.

Part of Liberty Latin America Ltd., Cable & Wireless Marine Southampton Ltd. is a submarine cable installation and maintenance contractor. The company is based in Chelmsford, UK. Cable & Wireless Marine Southampton was acquired by Cable & Wireless Ltd. on November 01, 1994 for $64.26 million.

National Petroleum Construction Co. provides engineering, procurement, and construction solutions to offshore and onshore oil and gas sector. Its business includes fabrication, offshore and onshore, project management, and key assets. The company was founded in April 1973 and is headquartered in Abu Dhabi, United Arab Emirates.

Sustainable Marine Energy Ltd. specializes in tidal energy platform services. It offers marine engineering, marine operations, and renewable energy. The company was founded by Anthony Spencer Davis in 2012 and is headquartered in Edinburgh, the United Kingdom.