About the organization
One Call Concepts, Inc.
One Call Concepts (OCC) is the nation's largest provider of 811 notification center services, offering operations management and software solutions backed by over 40 years of experience. As a full-service provider, OCC provides end-to-end solutions customized to meet each center's needs, including ticket management tools designed specifically for excavators and locators at the centers we serve. OCC does not provide field locating.
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