India Craft International
- Suppliers of natural stone for the construction industries. Includes online catalogue.
- http://www.indiacraftintl.com

Tab India
- Producers of natural stone products for building, including slabs and tiles.
- http://www.tabindia.com

Hindustan Copper Ltd.
- Public sector enterprise, a primary producer of copper. History, locations, and activities.
- http://www.hindustancopper.com/

Deewan Stone Ex and Tiles
- Suppliers of quartzite, sandstone, granite, marble and other building stone.
- http://www.indiamart.com/stonextiles

Asianstones.com
- Producer of quarried and building stones and stone products. Site includes a listing of ocean freight rates to various countries.
- http://www.asianstones.com/

Crystal Granite and Marble Ltd.
- Quarrying and processing of marble, slate, sandstone and granite including Absolute Black, Black Galaxy, Paradiso Bash and Paradiso Dark.
- http://www.crystalgranite.com/

Coal India Limited
- One of the world's largest coal producing companies.
- http://coalindia.nic.in/