The largest manufacturer of carpet in the world is generally recognized as Mohawk Industries, Inc., an American flooring company that is the world’s largest flooring manufacturer -including broadloom carpet and other carpet products - with extensive global operations. 

Key points:

• Mohawk Industries (USA):
• Mohawk Industries is the largest flooring manufacturer in the world, producing a wide range of carpet products (broadloom carpet, carpet tiles, rugs, etc.) alongside other flooring materials. It has manufacturing and distribution operations globally and a large workforce.
• Shaw Industries (USA):
• Shaw Industries Group, a subsidiary of Berkshire Hathaway, is one of the largest carpet manufacturers in the world in terms of revenue and production of broadloom carpet specifically. Historically, it has often been cited as the largest carpet maker, particularly in carpet-specific rankings.
• Other major global carpet producers:
• Oriental Weavers (Egypt): A leading carpet and rug manufacturer with factories across multiple countries and global distribution.
• Various large regional producers exist in China and Europe, but Mohawk and Shaw are the biggest on a global scale.

Summary:

Mohawk Industries is widely considered the largest manufacturer of carpet and flooring products globally.

Shaw Industries is often ranked as the largest carpet-specific manufacturer by sales.