CCJW is one of 8 or 9 corporations in the US that is used by the US branch office
Christian Congregation of Jehovah's Witnesses- Sponsors Conventions, Assemblies. Elders, MSs and Pioneers are appointed under their authority. It is has a letterhead that reads Christian Congregation of Jehovah's Witnesses, most letters will come under that letterhead. It is basically the service department.
Kingdom Support Services- Facilitates activities at bethel and the transportation of literature if sent on US Branch trucks.
Watchtower Bible and Tract Society of New York- They are the ones that actually do the printing of literature.
Watchtower Bible and Tract Society of Pennsylvania- They own the copyrights of the literature
Watchtower Bible and Tract Society of New Jersey- I forget what they own, I think that they were the original owners of the Stanley when the Branch bought the building
Watchtower Bible and Tract Society of Florida- They used to own an orange grove in Florida for the family.
Religious order of special full-time servants of Jehovah's Witnesses- all bethel family members along with traveling overseers and LDC full time members belong to this corporation.
Then there is one that owns the cemetery and Walkill. There is another that is the corporation that replaced the RBC which is at the branch.