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Thank you for considering O.C. Ervin for your project needs.

O.C Ervin Land Surveying, Inc. is a full service land development consulting organization.

Olie and Tricia Ervin

O.C. Ervin is a family-run corporation headquartered in Columbia Falls and serving the entire state of Montana.

Honesty, Integrity, Attention to Detail

At O.C. Ervin these words are more than a tagline. They encapsulate our corporate philosophy and guide all of our decisions.


Strong communities promote healthy businesses. At O.C. Ervin we encourage our employees to be actively engaged in good causes. O.C. Ervin employees are represented in numerous community organizations and sit on local government advisory boards.