Under US copyright law an independent author or artist must intentionally contract in writing to lose ownership of the copyright of his or her own creative works. A copyright in your own work of authorship is a personal right and should not be "automatically" transferred to (or "stolen" by) others.
National Independent Contractors Association was created in 1995.
Air Contractors was created in 1972.
The Arab Contractors was created in 1955.
Jasper Contractors was created in 2004.
UK Contractors Group was created in 2009.
Arab Contractors SC was created in 1973.
Thiess Contractors Indonesia was created in 1988.
Aero Contractors - Nigeria - was created in 1959.
Heerema Marine Contractors was created in 1948.
Professional Contractors Group was created in 1999.
Consolidated Contractors Company was created in 1952.
Associated General Contractors of America was created in 1918.