Need help with search business contact details

I am in need of assistance to search for business contact details.

Contact Details Needed:
- Email addresses
- Phone numbers

Specific Industries and Locations:
- I have specific industries and locations in mind.

Number of Business Contacts:
- I require around 90 business contacts.

Ideal Skills and Experience:
- Proficient in conducting thorough research and data mining
- Familiarity with various sources and methods for gathering contact details
- Excellent attention to detail and accuracy in data entry