Mammoth HR

Human Resources ServicesOregon, United States51-200 Employees

Mammoth HR, based in Portland, Oregon, delivers human resources services centered on HR and regulatory compliance for employers. The organization has adopted the Mineral brand, reflecting its evolution from ThinkHR and Mammoth HR to Mineral, Inc. Its offerings revolve around a platform designed to help employers manage HR tasks and stay compliant. 

Industry materials describe Mineral as serving a large base of small and midsize businesses. Recent partnerships illustrate ongoing ecosystem expansion, including collaborations with BlackInHR announced in 2026 and with Generous Benefits in 2025. The company has also advanced its capabilities with initiatives such as the ACA Reporting Hub introduced in 2024.

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