LibGuides: Career and Job Research Guide: Find an employer

Company listings

Hoover's (Now D&B Hoovers) This link opens in a new window
Use "build a list", or, find a company you are interested in, then check “competitors” on left hand side. Is international. No downloading, but has company profiles.
ReferenceUSA (now Data Axle) This link opens in a new window
Various modules: US and Canadian companies of all sizes, consumer data, job postings, healthcare offices, personal listings, new business filings, with data visualization and mapping applications. For in depth research: the OneSource module has extensive corporate information on over 5 million global firms.
PrivCo This link opens in a new window
US private company financials, information on private M&A deals, valuations, venture capital, private equity, etc. Over 800,000 US private companies profiled. Good for locating investors and competitive intelligence. NOTE: You must create an account using your CMU email. Use of this database is for academic purposes only.
CB Insights This link opens in a new window
A comprehensive global database of private companies and investors activities. Contains advanced searches for private companies, investors, and deals information (especially private equity and venture capital). Also great for news on emerging markets. An excellent resource for startups and entrepreneurship research. (NOTE: You must create an account using your CMU email).

There are hundreds, but these seem to be the most recommended:

Indeed
comprehensive international job search site; also gives salary and employment trend data.
USAjobs.gov
thousands of jobs from the US government's official site for federal employment, in every field
Internships.com
Large internship marketplace, including paid and unpaid, full and part-time internships in the US.
ZipRecruiter
comprehensive international job search site; also gives salary data.

Hoover's (Now D&B Hoovers) This link opens in a new window
Same as the one under "Company listings" - contains nonprofit organizations of all kinds.
Leadership Connect (formerly Leadership Library) This link opens in a new window
primarily US but also some international - major organizations of all kinds with extensive contact information and quick profiles.

Guidestar.org
Full information, including financials, on all nonprofits in the US. To get full advantage, register first (it's free). Use "Advanced Search" for best results.
Idealist
Nonprofit organizations.

Testing & Education Reference Center: TERC (now Peterson's Test Prep) This link opens in a new window
Current study guides and practice tests for graduate school exams - MCAT, GMAT, LSAT, GRE - and the TOEFL, as well as a graduate school search feature.