You can use other Facebook tools like Facebook Group Member Extractor, Facebook Auto Message Sender & Facebook Auto Friend Request Sender to connect with the right audience.
Facebook Group List
Facebook groups are valuable in general. They can have a huge impact when used in your marketing strategy. Businesses that center a group around their brand can build a community around it.
Use the Facebook Group list to understand the latest developments in your niche & identify trends. Enter your niche/keyword to search for the specific types of groups. Determine which groups are the best for you based on their location & total members