This category is within the scope of WikiProject Companies, a collaborative effort to improve the coverage of companies on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.CompaniesWikipedia:WikiProject CompaniesTemplate:WikiProject Companiescompany
This category is within the scope of WikiProject Media, a collaborative effort to improve the coverage of Media on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MediaWikipedia:WikiProject MediaTemplate:WikiProject MediaMedia
This category is within the scope of WikiProject Years, a collaborative effort to improve the coverage of Years on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.YearsWikipedia:WikiProject YearsTemplate:WikiProject YearsYears
Start a discussion about improving the Category:Mass media companies established in the 18th century page