Marketing Target Excel List Development

I need a comprehensive Excel list of marketing targets. This list will be compiled by referencing (and downloading) information from multiple public data sources to secure location and ownership details.

Requirements:
- Reference and download data from:
- Government websites and databases
- Company websites
- Industry directories
- Social media profiles
- Gather the following details for each target:
- Location information
- Ownership details
- Contact details
- Ideally, the excel sheet can be used for mail merge and other marketing efforts

The ideal freelancer will have:
- Experience with data entry and Excel
- Familiarity with public data sources
- Strong attention to detail
- Ability to meet deadlines