BCC Research - focuses on science and technology markets, with global coverage. Also includes reports from The Business Research Company (TBRC), Verified Market Research (VMR), and Primary Research Group (PRG).

EMIS - aggregates reports from several providers (e.g. Allied Market Research, Arizton, BIS Research, Frost & Sullivan, Global Research & Data Services, Insight Partners, MarketLine, Mordor Intelligence, Technavio and other regional firms), as well as providing original research reports called EMIS Insights. Global coverage. Select the Industries tab.

Fitch Solutions - Select from Industries list or search by keyword.  Quarterly reports covering large service and manufacturing industries. Global coverage.

IBISWorld - industry analysis covering a wide range of manufacturing and service industries. Covers the U.S. and China, plus some global reports.

MarketResearch.com Academic - aggregates reports from several providers, with global coverage. Our academic subscription includes the following providers: Freedonia (Focus Reports), Kalorama, Mind Commerce Publishing, Packaged Facts, and Simba Information.

Mintel - consumer industry research and analysis from Mintel. Our subscription is focused on the U.S. and U.K., but includes coverage of several other countries and regions.

Passport GMID - market research and analysis from Euromonitor, focusing primarily on consumer markets. Global coverage.

Statista - statistics, market outlooks, consumer reports, and consumer survey data covering hundreds of industries and countries.

Market Research & American Business, 1935-1965 - focuses on market research and consumer attitudes during the mid-20th century. Primary source material includes market reports, consumer studies, and more. 

See also:
How can I find market research or industry information on small niche industries? 

Where can I find MarketLine (formerly Datamonitor) reports?

How can I find information on the Digital Technology industry?

How do I find analyst reports (investment bank research)?