Outlier is one of the largest private companies in the US, specializing in acquiring and growing niche leaders across various industries. The company also initiates its own businesses to meet unmet needs. With a diverse portfolio spanning healthcare, entertainment, real estate, outdoor, and aerospace, Outlier employs over 12,000 people and generates $1B in revenue. Despite its scale, the company maintains a flat and nimble structure with a team of empowered professionals.
Key businesses under Outlier include Passport Health, the largest provider of travel medicine and immunization services in North America, and Realty Executives, one of the largest global real estate franchise systems.
Other notable ventures include Pump It Up & BounceU, the largest provider of private kids’ parties, and inDispense, a remote pharmacy kiosk that connects patients with pharmacists via video conferencing.
B2B professionals would contact Outlier for its diverse portfolio of niche businesses and its innovative approach to meeting unmet needs. The company offers opportunities for partnerships, vendor collaborations, and customer prospects across various industries.
Sales teams selling services or products in healthcare, real estate, entertainment, outdoor, and aerospace should reach out to Outlier. Recruiters seeking roles in niche business development and innovation should also consider this company.
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Last verified: February 2, 2026
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