Financial and operating ratios for manufacturing industries. Based on IRS tax returns, so data is about 3 to 4 years behind. Individual Industries and Companies CMS and Film 725 Chain Store Age Executive. Chain Store Age Executive. REF HD 9696.A1C65 Computer Industry Almanac .
Source covers a wide range of computer industry statistics.
May and June issue each year. Some operating ratios included. Worldwide Hotel Industry. Includes operating ratios. REF HG4501.M59 Moody's Handbook of Common Stocks .