LinkedIn for Small Business provides a business page and tools to support:
B2B - Business to Business
Branding
Groups on key topics
Hiring
Marketing
Sales
Why You Should Market Your Small Business on LinkedIn
10 Ways to Boost Your Company Page on LinkedIn
31 LinkedIn Tools for Business, Plus a Few Extras
107 mind-blowing sales tips that apply to LinkedIn
Business To Business
Facebook for Business
Google My Business
Pinterest Business
Social Media Channels
Social Media for Business