Around Madurai, there are many important industrial centres.
Sure, you will be interested to go through below information.
VIRUDHUNAGAR:has edible Oil mills and is the largest supplier of edible oils to the other parts of the state.
They are bulls of Chicory, Pulses, Dry Chillies.
Madras Cements has one its production plant at Virudhunagar.
Distance from Madurai: 48 Kms
Sivakasi : The city Sivakasi 71 Kms away from Madurai is famous for Crackers of all varieties are manufactured and sent across the globe.
It is otherwise known as “Little Japan”. The city is very vibrant and has skilled labourers in all fields. Match industries and printing industries are thriving here.
Connectivity: The city’s railway network connects it to cities like Madurai, Tenkasi and Sengottai.
Tuticorin:
Major minerals Lime stone, Beach minerals raw sand.
Major exportable Items: coco pith, frozen sea food, salt, Industrial Salt, Tio2, Granite Stone, Cement.
Safety matches and Ready made Garments manufacturing also… Puthiamputhur .
Srivilliputtur:
Main Industry:Cotton market, Ginning factories, spinning mills, power loom and hand loom industries
Rajapalayam: A special breed of dogs and Mango very famous here.
Cardamom is a widely used spice. It encompasses variety of uses.
- in adding flavors in both foods and drinks, as cooking spice,is therapeutic in nature, broadly used to treat infections in teeth and gums, digestive disorders, throat troubles, skin conditions etc.
Oil of cardamom is used in processed foods, tonics, liquor and perfumes.
In India, the natural habitat of small cardamom is the evergreen forest of
Western‐Ghats on the Malabar Coast of South‐West India. This area is
commonly known as the Cardamom Hills.
India is the largest producer, consumer and exporter of turmeric in the world.
Dindigul : The city Dindigul 50 km away from Madurai is known for lock making, leather tanning, Iron Safe boxes.
The Chinnalapatti silk is ever remembered and city has largest manufacturing unit.It is wholesale market for Onion and Groundnut.
Nilakkottai : This town is quite famous for Brass Vessels and Jewellary. Nilakkottai Taluk is famous for the growing and marketing of flowers and Grapes.
Oddanchatram is a noted market centre for vegetables. It is also famous for the export of Butter, manufactured in the nearby villages using cream separators. Batlagundu is an important market Centre for Tomato and Banana Leaves Pattiveeranpatti in Batlagundu block is famous for Cardamom and Coffee Processing enterprises.
Coimbatore : is famous for Textile, Machinery, Industrial machinery. Ginning factories, spinning mills, power 
loom and hand loom industries
Pollachi is a very popular Marketplace, known largest markets for jaggery, vegetables and considered as southindia’s biggest Cattle market.
It is picnic spot which attracts tourists.It is a very popular Marketplace, with supposedly largest markets for jaggery, vegetables and considered as southindia’s biggest Cattle market. It is commercial area in the region and has a big market for agricultural products. Coconuts and tender-coconuts are exported from here to all over India.
Thiruppur: Textile finished product, yarn , cotton.
Erode : Turmeric cultivation
It accounts for 41.9% of the registered MSME enterprises in the district. it is fifth among the industrialized districts in Tamilnadu as far as MSME concerned
Kumbakonam is known for Peatles. Fisheries in Ramnad.Cashewnut much cultivated in Pudukottai.