The term 'hidden job market' applies to that 80% of job vacancies which do not get advertised. It is up to the jobseeker to locate the companies they wish to work for, research these companies, and contact them to find out if they have any upcoming vacancies. Listed below are some resources used to create lists of companies. The Business and Science collection on Level 4 of the Central Library has many industry directories.
Be sure to also browse the shelves in our Career and Job Search Reference Area.