811 KNOW WHAT'S BELOW. CALL BEFORE YOU DIG.

Promotion and marketing services relating to the use of the telephone for connecting excavators and consumers to North American notification centers which contact utility companies to mark the location of underground facilities prior to excavation

Education services, namely, seminars, classes, workshops, and on-line versions of the same relating to the use of the telephone for connecting excavators and consumers to North American notification centers which contact utility companies to mark the location of underground facilities prior to excavation and distribution of course materials in connection therewith