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Directory Home / Computers / Logo Smart Oil Technologyâ„¢ is a privately owned business located in Wilmington, Delaware. Our core business is distributing, installing and servicing LED signs, LED Price Signs, Displays and Electronic Message Centers (EMC) for gas stations, convenience stores and commercial businesses throughout the United States. We deliver our products and services through a network of Best in Class sign shops from New York to California. We deliver your projects on time and within your budget. Visit site »