There is no specific information available regarding a US nonprofit organization named Cch-Opm Inc with EIN 473118273. The search results do not provide relevant details on this entity. Therefore, it is not possible to write a comprehensive article about this organization based on the available information.

However, if you are looking for general information on nonprofits or related entities like CCH Management Corporation or CCH Individualized Support Services Inc, there is some background information:

CCH Organizations Overview

Several organizations use the CCH acronym, often involved in human services or housing initiatives. For example, CCH Individualized Support Services Inc focuses on multipurpose human services, specifically group homes, while CCH Management Corporation is involved in general and rehabilitative health services with a focus on management and technical assistance. These organizations are typically designated as 501(c)(3) nonprofits, allowing for tax-deductible donations.

If you have more specific details about Cch-Opm Inc, additional research might be required to compile an informative article.