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KO Underground Construction, Inc.
102 Wolfskill Street
Winters, CA 95694

phone: (530) 795-3816
fax: (530) 795-3995

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K.O. Underground Construction is a general engineering contractor specializing in providing northern California's developers with reliable joint trench installation. We pride ourselves on providing outstanding quality within established time frames every time. We knock out jobs by dedicating the resources needed in order to meet aggressive schedules. K.O. Underground has been installing underground utilities for residential, commercial and agricultural projects for over 20 years.

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