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SKYDB

SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

  • Global building statistics
  • Biggest cities worldwide
  • Country market overviews
  • Construction activity
  • Annual completions
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SKYDB Awards

The community is honoring the best new skyscrapers. A legacy since 1999.

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SKYDB Community

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SKYDB Products

Professional building research, data exports and API access, plus advertising offerings.

Research & data

Consulting & advertising

SKYDB Insights charts showing buildings by decade, status, use, floor count and height

SKYDB Insights

Professional research into buildings and participating companies.

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Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

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Using SKYDB

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Who we are

SKYDB is the source for tall building information worldwide.

About SKYDB

Interactive building map

Explore all projects on an interactive map anywhere on earth.

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definition strict definition

stone maintenance

A company specializing in cleaning, buffing, or polishing architectural stone to maintain its condition.

A stone maintenance company is a firm which specializes in cleaning, buffing, or polishing architectural stone in order to maintain its condition and appearance.

The work maintains stone already used in the architecture. Cleaning, buffing, and polishing are included activities directed at its condition and appearance.

Extracting, supplying, or initially installing stone is a different role. A firm is associated with stone maintenance when it performs the upkeep function.