Create a database of corporate vendors

I am creating a listing of various vendors and would like to get leads for these categories: 1. Printing a) Offset Printing b) Flex/Vinyl Printing c) Banner d) More.. 2. Glow Signs a. Flex – front lit/back lit b. ACP c. Customized material d. More… 3. Packaging a. Corrugated b. PET and Plastic c. Paper d. More 4. Corporate Gifting 5. Gift Items 6. T Shirts & Caps 7. Outdoor 8. Merchandising Equipment 9. Kiosks 10. Events & Promotions 11. BTL Promotion Agencies 12. Trade Shows and Exhibitions I would give a format for the data to be collected and I would like data for all big cities starting from Delhi. I can give some websites which might have such data but the person doing this work should be internet savvy and should be able to find this data using internet search.