Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Yellow Pages - YP.com local search connects you with over 19 million local businesses.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Wand.com - Wand.com is a business listing platform that will let you collect information about the required products and services.
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.
Linkedin Company Directory - LinkedIn Company Directory is a useful way to find all the important business listings every day, so you often visit the services and products offered by the companies around the work.