Chennai features a diverse and resilient economy, heavily anchored in automobile manufacturing, information technology, hardware, textiles, and healthcare.
**Key Business Sectors & Hubs:** - **Automotive:** Dubbed the "Detroit of India" or "Detroit of Asia," the Oragadam and Sriperumbudur belts house massive manufacturing plants for Hyundai, Ford, Renault-Nissan, and BMW. - **Information Technology:** The Old Mahabalipuram Road (OMR), known as the "IT Corridor," is lined with massive tech parks, including TIDEL Park (one of Asia's largest IT parks), SIPCOT IT Park in Siruseri, and campuses for TCS, Infosys, Wipro, and Cognizant. - **Retail & Wholesale:** T. Nagar is one of India's largest retail districts by revenue, famous for silks and gold jewelry. Parry's Corner serves as a bustling historic wholesale hub. - **Software as a Service (SaaS):** Chennai is widely considered the SaaS capital of India, producing globally successful tech startups and unicorns.