# Challenge Unlimited, Inc. Careers >
Headquartered in Alton, Illinois Challenge Unlimited, Inc., and its affiliate companies Residential Options, Inc., Project CU, and Advanced Outsource Solutions (AOS) Staffing is a multi-tiered organization.
For more than 50 years, the organization has been committed to serving individuals with disabilities, while earning a reputation as a trusted business partner to private commercial companies and federal and state government agencies.
As a Commission on Accreditation of Rehabilitation Facilities (CARF) accredited Community Rehabilitation Program (CRP) provider, Challenge Unlimited fulfills its mission through adult and youth programs, work skills training centers, employment services, and community-integrated living options. Promoting people to achieve their highest level of independence through opportunities.
As a social entrepreneur, Challenge Unlimited has grown its business services from a single custodial contract to over 50 service and production contracts. We deliver quality solutions in facility management, production services and staffing services. An authorized partner of the AbilityOne Program, Challenge Unlimited manages operations across five states: Illinois, Missouri, Ohio, Wisconsin and South Carolina.
Today, Challenge Unlimited employs over 900 workers; of which approximately 600 are individuals with disabilities.
> Powered by Workable. ## Open Positions - All open roles (GET `https://apply.workable.com/challenge-unlimited-inc-1/jobs.md`): 0 current openings ## Optional - [Careers page](https://apply.workable.com/challenge-unlimited-inc-1/): Main careers page - [Company website](http://www.cuinc.org): Challenge Unlimited, Inc. website