Market Center formerly known as the Standard Oil Buildings and later The Chevron Towers is a complex comprising two skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

s at 555-575 Market Street

Market Street (San Francisco)

Market Street is an important thoroughfare in San Francisco, California. It begins at The Embarcadero in front of the Ferry Building at the northeastern edge of the city and runs southwest through downtown, passing the Civic Center and the Castro District, to the intersection with Corbett Avenue in...

 in the Financial District of downtown San Francisco, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

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575 Market Street is a 40-story, 175 m (574.1 ft) building completed in 1975, was once the headquarters of the Chevron Corporation

Chevron Corporation

Chevron Corporation is an American multinational energy corporation headquartered in San Ramon, California, United States and active in more than 180 countries. It is engaged in every aspect of the oil, gas, and geothermal energy industries, including exploration and production; refining,...

. It is the taller of the two towers and major tenants include SquareTrade

SquareTrade

SquareTrade is an extended warranty service provider for consumer electronics and appliances headquartered in San Francisco’s financial district.The company started off as an online dispute resolution service in 1999...

 and Cryptography Research

Cryptography Research

Cryptography Research, Inc.. is a San Francisco based cryptography company specializing in applied cryptographic engineering, including technologies for building tamper-resistant semiconductors. It was purchased on June 6, 2011 by Rambus for more than $250M in cash and stock. The company licenses...

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555 Market Street is the shorter tower at 95 m (311.7 ft) with 22-stories, and was completed in 1964.

The two buildings are surrounded by small ornamental plazas. Both buildings are terra cotta

Terra cotta

Terracotta, Terra cotta or Terra-cotta is a clay-based unglazed ceramic, although the term can also be applied to glazed ceramics where the fired body is porous and red in color...

 over a granite

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

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