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Mariwasa

Mariwasa is a Philippine ceramic-tile manufacturing brand and company associated with Mariwasa Siam Ceramics, Inc.

Last updated August 31, 2026

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Overview

Mariwasa is a Philippine ceramic-tile manufacturing company and brand based in Taguig, Metro Manila, with its principal manufacturing plant in Santo Tomas, Batangas. The business was established in March 1966 by brothers Emerson and Edison Coseteng. It was initially incorporated as Mariwasa Manufacturing, Inc., commonly abbreviated as MMI. The name Mariwasa was derived from a Filipino word associated with prosperity, giving the company a locally rooted identity while it developed into one of the Philippines' important tile producers. The company grew during the expansion of the Philippine construction and housing markets and became a significant participant in the domestic tile industry. Its output was also exported to Hong Kong and the United States, giving Mariwasa an international sales presence beyond its home market. The business originally operated with comparatively modest production capacity, but it later undertook substantial manufacturing expansion. In 1991, Mariwasa Manufacturing, Inc. became publicly traded on the Philippine Stock Exchange. The listing was followed by a partnership with Siam Cement Group, a major Thai industrial company. The two businesses established Mariwasa Siam Ceramics, Inc., which became a subsidiary of MMI. Mariwasa's manufacturing scale increased markedly during the 1990s. By 1997, it was reported to be producing approximately 12,000 square metres of tiles per day, compared with about 1,200 square metres per day during its first year of operation. That year the company also opened a modern plant in Batangas, strengthening its production base and shifting the center of its manufacturing operations. The company was therefore positioned as a large-scale domestic supplier rather than only a small regional producer. The expansion was followed by serious financial difficulties. Beginning in 1998, Mariwasa recorded substantial net losses over a number of years. It ceased trading on the Philippine Stock Exchange in December 1999. In the same period, it obtained a US$14.5 million loan from the International Finance Corporation as part of an effort to restructure its financing and operations. The company later decided to close its principal tile-manufacturing plant in Rosario, Pasig, in 2001, and it defaulted in 2003. These events marked a major reversal from the capacity growth and capital-market expansion of the preceding decade. Mariwasa remains identified with Philippine ceramic-tile manufacturing. As of 2019, it was described alongside Formosa Ceramic Tiles Manufacturing Corporation as one of the two main manufacturing firms in the Philippine tile industry. Publicly available reference material provides limited detail on its current ownership, leadership, product catalog, revenue, and distribution structure, so those aspects should not be inferred from the company's historical partnership or former stock-market status.

History

Mariwasa was founded in March 1966 by brothers Emerson and Edison Coseteng under the corporate name Mariwasa Manufacturing, Inc. The brand name was derived from a Filipino word connected with prosperity. From its Philippine base, the company developed into a major participant in the country's tile-manufacturing industry and eventually exported some products to Hong Kong and the United States. The company entered a new phase in 1991 when Mariwasa Manufacturing, Inc. became listed on the Philippine Stock Exchange. Its public-market presence was followed by a partnership with Siam Cement Group of Thailand. The two companies formed Mariwasa Siam Ceramics, Inc., which operated as a subsidiary of MMI. This arrangement combined Mariwasa's Philippine manufacturing and market position with the resources of an established regional industrial group. During the 1990s, Mariwasa significantly increased its production capacity. In its first year, the company had produced roughly 1,200 square metres of tiles per day. By 1997, reported output had reached about 12,000 square metres per day. The same year, Mariwasa opened a modern plant in Batangas. The facility became the company's principal manufacturing site, while the business continued to be associated with Taguig headquarters and Philippine tile production. The expansion period was followed by a prolonged financial crisis beginning in 1998. Mariwasa recorded average annual net losses described in the millions of Philippine pesos over the following years. In 1999, the company received a US$14.5 million loan from the International Finance Corporation to support restructuring of its financing and operations. Despite these efforts, Mariwasa stopped trading on the Philippine Stock Exchange in December 1999. It later decided to close its main manufacturing plant in Rosario, Pasig, in 2001 and defaulted in 2003. Mariwasa continued to be recognized as an important participant in the Philippine tile sector. Reference material from 2019 identified Mariwasa and Formosa Ceramic Tiles Manufacturing Corporation as the country's two main manufacturing firms involved in the tile industry. Available sources do not establish a detailed current ownership structure, executive roster, financial profile, or complete product range. Accordingly, the brand's documented history is strongest for its founding, manufacturing expansion, partnership with Siam Cement Group, stock-market withdrawal, and subsequent financial distress.

  • 2003

    Default

    [1]

    Mariwasa defaulted after several years of financial losses and restructuring difficulties.

  • 2001

    Rosario, Pasig plant closes

    [1]

    The company decided to close its main tile-manufacturing plant in Rosario, Pasig.

  • 1999

    Stock trading ends

    [1]

    Mariwasa stopped trading on the Philippine Stock Exchange in December during a period of financial restructuring.

  • 1997

    Batangas plant opens

    [1]

    Mariwasa opened a modern manufacturing plant in Batangas and reported daily tile production of approximately 12,000 square metres.

  • 1991

    Public listing and Siam Cement Group partnership

    [1]

    MMI became publicly traded on the Philippine Stock Exchange and subsequently partnered with Siam Cement Group to form Mariwasa Siam Ceramics, Inc.

  • 1966

    Mariwasa Manufacturing, Inc. is established

    [1]

    Emerson and Edison Coseteng established the company in March 1966 as Mariwasa Manufacturing, Inc.

Products and positioning

A Philippine tile-manufacturing brand with a longstanding domestic industrial heritage, large-scale production history, and experience serving both Philippine and export markets.

  • Ceramic tiles · 1966

    Mariwasa ceramic tiles

    Mariwasa's documented core business is the manufacture of ceramic tiles for the Philippine construction market and selected export destinations. Available reference material identifies the company as a large-scale tile producer but does not provide a reliable current catalog of named collections, technical specifications, formats, finishes, or retail product tiers.

Brand decisions

  • 2001

    Close the Rosario, Pasig manufacturing plantStrategy

    Background

    The decision followed several years of financial difficulties after the company's 1990s expansion.

    Action taken

    Mariwasa closed its main tile-manufacturing plant in Rosario, Pasig.

    Aftermath

    Manufacturing activity became associated with the Batangas plant, while the company later defaulted in 2003.

  • 1999

    Restructure financing and operationsStrategy

    Background

    Mariwasa experienced financial distress from 1998 onward and reported substantial net losses over the following years.

    Action taken

    The company obtained a US$14.5 million loan from the International Finance Corporation in 1999 as part of a restructuring of its financing and operations.

    Aftermath

    The company stopped trading on the Philippine Stock Exchange in December 1999, later closed its Rosario plant, and defaulted in 2003.

    International Finance Corporation loan. US$14.5 million loan (1999)

  • 1991

    Create a joint venture with Siam Cement GroupStrategy

    Background

    After Mariwasa Manufacturing, Inc. became publicly traded, it entered a partnership with Thai industrial group Siam Cement Group.

    Action taken

    The two companies formed Mariwasa Siam Ceramics, Inc., which became a subsidiary of MMI.

    Aftermath

    The partnership accompanied a period of manufacturing expansion, including the opening of a modern Batangas plant in 1997.

Sources1 sources

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