| Araria |
Jute, Makhana |
| Arwal |
Bakery Products |
| Aurangabad |
Rice |
| Banka |
Silk |
| Begusarai |
Mango, Litchi, Maize, Soyabean, Milk Products |
| Bhagalpur |
Bhagalpur Silk, Bhagalpuri Zardalu, Rice (katrani), Manjusha Painting |
| Bhojpur |
Rice |
| Buxar |
Rice |
| Darbhanga |
Makhana, Madhubani Painting |
| Gaya |
Tourism |
| Gopalganj |
Sugarcane, Sugar, Jaggery, Mushroom, Tourism |
| Jamui |
Garments |
| Jehanabad |
Footwear |
| Kaimur (Bhabua) |
Gobind Bhog rice, Cement, Rice, Rice Bran Oil |
| Katihar |
Jute, Makhana, Rice |
| Khagaria |
Jute, Makhana, Maize, Milk Products, Mango, Fish, Banana |
| Kishanganj |
Jute |
| Lakhisarai |
Rice, Readymade Garments |
| Madhepura |
Makhana, Maize, Paddy |
| Madhubani |
Madhubani Painting |
| Munger (Monghyr) |
Tobacco Products, Mentha, Honey |
| Mujaffarpur |
Shahi Litchi of Bihar, Lahathi |
| Nalanda |
Tourism |
| Nawada |
Sugar |
| West (Pashchim) Champaran |
Wooden Furniture, Readymade Garments |
| Patna |
Pharma, Food Processing |
| East (Purbi) Champaran (Motihari) |
Rice (Katrani & Sonachur), Seap Buttan, Fish, Sugar, Pearl Cultivation |
| Purnia (Purnea) |
Jute Products |
| Rohtas |
Cement, Tourism |
| Saharsa |
Mango, Litchi, Maize |
| Samastipur |
Sugar, Jute, Turmeric Powder, Handicraft Items of Bamboo |
| Saran |
Mangoes |
| Sheikhpura |
Onion, Pulse |
| Sheohar |
Rice |
| Sitamarhi |
Tourism |
| Siwan |
Agro-based products, Mentha & Medicinal Plants |
| Supaul |
Jute, Agro-based products, Makhana |
| Vaishali |
Cold drink, Packaged Drinking Water, Biscuit & Bakery |