Search and parsing bases

It is necessary to find and vain the bases of companies that are engaged in investments (all types of investments: exchanges, real estate, businesses, etc.), real estate (selling apartments, sales and rental services), getting a job (abroad)
We need databases of companies that advertise their services (target, contkest, fleas, etc.)

Have to:
Company name
phone number

Preferably:
City
Email
social network of companies