Samsung holds a 10% stake in Sungjin Geotec, an offshore oil drilling company that is a subsidiary of POSCO. Taylor Energy is an independent American oil company that drills in the Gulf of Mexico based in New Orleans, Louisiana. Samsung Oil & Gas USA Corp., subsidiaries of Samsung, currently owns 20% of Taylor Energy. Samsung owns 5% of Wacom. Major clients of Samsung include: The basic color in the logo is blue, which Samsung has employed for years, supposedly symbolizing stability, reliability and corporate social responsibility. Samsung has an audio logo, which consists of the notes E♭, A♭, D♭, E♭; after
Samsung they are not part of or connected to the Samsung Group. One Hansol Group representative said, "Only people ignorant of the laws governing the business world could believe something so absurd", adding, "When Hansol separated from the Samsung Group in 1991, it severed all payment guarantees and share-holding ties with Samsung affiliates." One Hansol Group source asserted, "Hansol, Shinsegae, and CJ have been under independent management since their respective separations from the Samsung Group". One Shinsegae department store executive director said, "Shinsegae has no payment guarantees associated with the Samsung Group". In 1980s, Samsung Electronics began to invest heavily in