Find three public companies in the same industry?

Find three public companies (whose financial statements are filed with the 3 Securities and Exchange Commission) in the same industry. See the URL below for a listing of Standard Industrial Classification divisions. The industry must be chosen from one of Groups 20 to 39 from Division D manufacturing.URL: https://www.osha.gov/pls/imis/sic_manual.html Hint: Once you determine your industry, you can just google “public XXX industry” to get a list of companies to choose from. All the information is on the pdf.