Service Area Menu Community Links Customer Service – Contact Numbers Community Links Customer Service – Contact Numbers Links Community Links The following links have been provided so that you can learn more about the natural gas industry and natural gas research and safety. Please report any broken links using the Delta Natural Gas Contact Form. Bell County Chamber of Commerce Clark County Chamber of Commerce Clay County Chamber of Commerce Knox County Chamber of Commerce LONDON-Laurel Chamber of Commerce Lee County Chamber of Commerce Berea, Kentucky - Official Web Site Powell County Chamber of Commerce Rowan County Chamber of Commerce