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Westcor

Westcor was a Phoenix-based shopping-mall developer that became a wholly owned division of The Macerich Company.

Last updated August 31, 2026

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Overview

Westcor was a United States shopping-mall development company based in Phoenix, Arizona. Founded in 1964 by Rusty Lyon and Bob Teske, it developed and operated retail properties, with a particular association with the Arizona market. Its business centered on the creation and management of large shopping centers and related retail destinations rather than the sale of consumer products under a conventional packaged-goods brand. The company became part of The Macerich Company in 2002, when Macerich acquired Westcor for approximately $1.5 billion. Following the transaction, Westcor continued to function as a separate, wholly owned Macerich division for a period of time. This arrangement allowed Macerich to retain Westcor's development platform, local market knowledge, and portfolio of retail properties while integrating the company into a larger shopping-center ownership and management group. Westcor's legacy is principally represented by retail destinations it developed or helped establish, including Scottsdale Fashion Square, Arrowhead Towne Center, and Kierland Commons. These properties continued to be operated by Macerich after the Westcor name and organizational structure were discontinued. Westcor was dissolved as a separate entity or operating division in 2012. Accordingly, the brand is historical rather than active, although several properties associated with its development work remain part of Macerich's operating portfolio. The available reference material identifies Westcor primarily as a real-estate development company and does not provide a detailed account of its full property portfolio, leadership after the Macerich acquisition, marketing campaigns, or financial performance beyond the reported acquisition value. Its importance lies in its role in the development of major shopping centers and in the expansion of Macerich's presence in the Southwestern United States.

History

Westcor was established in 1964 in Phoenix, Arizona, by Rusty Lyon and Bob Teske. The company entered the shopping-center development business during a period when automobile-oriented retail and suburban growth were reshaping the American commercial landscape. Its activities focused on developing and operating shopping malls and other major retail properties. Over the course of its existence, Westcor became associated with important shopping destinations in the Southwestern United States. Among the properties linked to its development history are Scottsdale Fashion Square, Arrowhead Towne Center, and Kierland Commons. These projects illustrate the company's role in building large-scale retail environments serving metropolitan and suburban consumers. The available reference material does not provide a complete chronology of Westcor's developments or identify the dates on which each property opened. A major turning point came in 2002, when The Macerich Company acquired Westcor for approximately $1.5 billion. The acquisition brought Westcor into Macerich's corporate structure and expanded Macerich's portfolio and regional presence. Rather than immediately eliminating the Westcor identity, Macerich maintained the company as a separate, wholly owned division for several years. Westcor's local development capabilities and established properties therefore continued to have an operational connection to the business after the acquisition. Westcor was ultimately dissolved as a separate entity or division in 2012. Its corporate identity disappeared, but its real-estate legacy continued through properties that Macerich retained and operated. Scottsdale Fashion Square, Arrowhead Towne Center, and Kierland Commons are specifically identified as examples of former Westcor properties that remained under Macerich's operation. Westcor's historical significance is consequently tied less to a continuing consumer-facing brand than to its contribution to the development of prominent retail real estate. Publicly available reference material is limited: it confirms the founding, acquisition, continued operation as a Macerich division, dissolution, and several associated properties, but does not establish a fuller list of executives, campaigns, controversies, or annual financial results.

  • 2012

    Dissolution of Westcor

    [1]

    Westcor was dissolved as a separate organization, while Macerich continued operating several properties associated with its development work.

  • 2002

    Acquisition by The Macerich Company

    [1]

    The Macerich Company acquired Westcor for approximately $1.5 billion. Westcor continued for a time as a separate wholly owned division.

  • 1964

    Westcor was founded in Phoenix

    [1]

    Rusty Lyon and Bob Teske founded Westcor as a shopping-mall development company based in Phoenix, Arizona.

Products and positioning

A regional shopping-center developer and operator focused on major retail destinations, particularly in the Southwestern United States.

  • Shopping-center development

    Regional shopping malls

    Westcor developed and operated large retail destinations designed to serve broad metropolitan and suburban markets. Its mall business formed the core of the company's identity and included major properties later operated by The Macerich Company.

  • Shopping mall

    Scottsdale Fashion Square

    Scottsdale Fashion Square is one of the prominent retail properties associated with Westcor's development history. After Westcor's acquisition and eventual dissolution, the property continued to be operated by Macerich.

  • Shopping mall

    Arrowhead Towne Center

    Arrowhead Towne Center is a major retail property identified as part of Westcor's former portfolio. Macerich continued to operate the property after Westcor ceased to exist as a separate organization.

  • Lifestyle retail center

    Kierland Commons

    Kierland Commons is a retail destination associated with Westcor's development activities. It remained among the properties operated by Macerich after the Westcor organization was dissolved.

Brand decisions

  • 2012

    Westcor was dissolvedStrategy

    Background

    After operating as a Macerich division following the 2002 acquisition, Westcor no longer continued as a distinct corporate organization.

    Action taken

    Macerich discontinued Westcor as a separate entity or division.

    Aftermath

    Macerich continued operating several former Westcor properties, including Scottsdale Fashion Square, Arrowhead Towne Center, and Kierland Commons.

  • 2002

    Macerich acquired WestcorM&A

    Background

    Westcor was an established shopping-mall developer with a portfolio and regional operating presence that attracted The Macerich Company's acquisition interest.

    Action taken

    The Macerich Company purchased Westcor for approximately $1.5 billion and made it a wholly owned division.

    Aftermath

    Westcor continued to operate separately for several years, while Macerich retained and operated several properties connected with Westcor's development history.

    Acquisition value. $1.5 billion transaction value (2002)

Recent events

  • 2012

    Westcor was dissolved as a separate organization[1]

    Other

    Westcor ceased operating as a separate company or division. Macerich continued to operate a number of properties associated with Westcor's development history.

  • 2002

    The Macerich Company acquired Westcor[1]

    M&A

    Macerich acquired Westcor in a transaction reported at approximately $1.5 billion. Westcor subsequently operated as a separate, wholly owned Macerich division.

Sources1 sources

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