Serving Our Members and the Community Since 1952

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Lewis Operating Corp.

  • Developers
1156 N. Mountain Ave.
Upland, CA 91785
(909) 985-0971
(909) 949-6799 (fax)
  • Whom to Contact

    • Edna A. Montag
      Office Manager
      Phone: (909) 946-7512
      Fax: (909) 949-6799

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