AllOne Health^® provides service in all 50 states and more than 50 countries worldwide. With an expansive occupational health clinic network of over 6,000 and a mental health affiliate network of more than 15,000 providers, we can service companies no matter their size or location. Our office locations in Pennsylvania, Massachusetts, Minnesota, Michigan, Virginia, California, Tennessee, Indiana and Ohio have accessible call centers 24 hours a day, 7 days a week, 365 days a year.