While Durg is an administrative center, its economy is heavily influenced by the industrial powerhouse of its twin city, Bhilai.
* **Bhilai Steel Plant (SAIL):** Though technically in Bhilai, it is the economic engine of the entire district, employing thousands of Durg residents. * **BEC Group (Bhilai Engineering Corporation):** A major heavy engineering and fertilizer company operating in the Durg-Bhilai industrial belt. * **Simplex Castings Ltd:** A prominent heavy engineering and casting manufacturer with operations in the district. * **Agriculture & Milling:** The city is home to numerous large-scale rice mills and agro-processing companies, reflecting its status as the "Rice Bowl" region of central India.