Act as a sponsorship broker

I publish a newsletter about [topic]

Provide me with a list of companies that might be interested in sponsoring my newsletter. 

The companies must match the size of new newsletter. For example a small company will be interested in sponsoring my newsletter when small but a large company will not. I wish to get larger and larger companies as sponsors as I grow. 

Provide 5 suggestions for each stage of growth:
1000-5000 subscribers (very small)
5000-10000 subscribers (small)
10000-50000 subscribers (medium)
500000-100000 subscribers (large)
100000+ subscribers (very large)

Provide specific company names

Return everything in tabular format