Automattic

 Automattic  is the corporate parent behind a variety of web-based service companies as well as open source web-based services including WordPress.com, Jetpack, Akismet, Gravatar, and WooCommerce which are used by a variety of IndieWeb sites. They also offer relatively inexpensive services for hosing and managing websites.

Divisions

 * WordPress.com - a hosted and managed version of WordPress.org websites
 * Jetpack - adds WordPress.com functionality to WordPress.org websites
 * Akismet - for spam filtering
 * Gravatar - a global avatar for profiles
 * WooCommerce - a plugin for e-commerce
 * WordPress.com VIP - managed hosting service
 * VaultPress for auto-backups and scanning
 * Longreads
 * Simplenote - for note taking and synchronization
 * Crowdsignal - for polls and surveys
 * Cloudup - cloud storage for links, files, photos, etc.
 * Simperium - API for moving data across apps

Affiliations
The company and its employees contribute to a number of non-profit and Open Source projects, including:
 * WordPress - aka WordPress.org
 * WP for iOS - WordPress app for iOS
 * WP for Android - WordPress app for Android phones
 * P2 Theme - a theme for team collaboration using WordPress
 * BuddyPress - plugin to help make sites social
 * bbPress - forum software
 * WordCamp US - camps and meetups focused on WordPress
 * WP Job Manager - A lightweight, open source job board plugin for WordPress