Dear Sir/Mam,
I think you are looking for someone for your project who expert in put all ~580 companies in a spreadsheet, and then find their web address, contact form, email, and phone number for buyers.
.I'll provide you with quality work according to your instructions.
Here is my portfolio https://www.freelancer.com/u/suvashdev475
So, we can discuss more the work?
I am waiting for your kind response.
Thank you