Audio speakers; Amplifiers; Subwoofers

Software development and product development consulting in the field of oil and gas, energy, geophysical surveying; Design of geological surveys; Design of land surveys; Design of oil-field surveys; Digital enhancement and manipulation of radiological data by means of computerized software for use in the field of oil and gas, energy, and geophysical surveying; Geological surveys and research; Mapping services featuring oil and gas surveying maps; Marine surveying services; Oil field surveying