Short answer
About 400–500. A 2026 industry profile counts about 450 processing houses, concentrated in estates such as Pandesara GIDC, Sachin GIDC, Palsana and Kadodara.
Surat has roughly 400–500 processing houses (dyeing, printing and finishing mills). A 2026 industry profile counts about 450, and ThePrint reported 400–500 in March 2026.
They are concentrated in industrial estates with common effluent treatment plants, especially Pandesara GIDC and Sachin GIDC, plus Palsana and Kadodara.
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