/usr/include/orbsvcs/HTIOP/ is in libtao-orbsvcs-dev 6.0.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/orbsvcs/HTIOP/HTIOP_Acceptor.h
/usr/include/orbsvcs/HTIOP/HTIOP_Acceptor.inl
/usr/include/orbsvcs/HTIOP/HTIOP_Acceptor_Impl.h
/usr/include/orbsvcs/HTIOP/HTIOP_Completion_Handler.h
/usr/include/orbsvcs/HTIOP/HTIOP_Connection_Handler.h
/usr/include/orbsvcs/HTIOP/HTIOP_Connector.h
/usr/include/orbsvcs/HTIOP/HTIOP_Connector_Impl.h
/usr/include/orbsvcs/HTIOP/HTIOP_Endpoint.h
/usr/include/orbsvcs/HTIOP/HTIOP_Endpoint.inl
/usr/include/orbsvcs/HTIOP/HTIOP_Factory.h
/usr/include/orbsvcs/HTIOP/HTIOP_Profile.h
/usr/include/orbsvcs/HTIOP/HTIOP_Transport.h
/usr/include/orbsvcs/HTIOP/htiop_endpointsC.h
/usr/include/orbsvcs/HTIOP/htiop_endpointsS.h