| Big name in chicken | 19 |
| Big name in Chicago politics | 28 |
| Big name in Chicago | 19 |
| Big name in Chi-town | 20 |
| Big name in chess | 17 |
| Big name in chemicals | 21 |
| Big name in cheesecake | 22 |
| Big name in cheese | 18 |
| Big name in Champagne | 21 |
| Big name in chairs | 18 |
| Big name in chain saws and leaf blowers | 39 |
| Big name in cellular service | 28 |
| Big name in cells | 17 |
| Big name in cell service | 24 |
| Big name in cell phone service | 30 |
| Big name in CD burning software, to the extent that CDs still get burned | 72 |
| Big name in CBS history | 23 |
| Big name in caulking products | 29 |
| Big name in caulk | 17 |
| Big name in catalogues | 22 |
| Big name in catalogs | 20 |
| Big name in casual wear | 23 |
| Big name in casual clothing since 1969 | 38 |
| Big name in casual clothes | 26 |
| Big name in cassette tapes | 26 |
| Big name in cash machines | 25 |
| Big name in cartography | 23 |
| Big name in carpet cleaning | 27 |
| Big name in cards | 17 |
| Big name in car-quality surveys | 31 |
| Big name in car rental | 22 |
| Big name in car racks | 21 |
| Big name in car parts | 21 |
| Big name in car monitors | 24 |
| Big name in car care | 20 |
| Big name in car batteries | 25 |
| Big name in canned fruit | 24 |
| Big name in canine care | 23 |
| Big name in candy wafers | 24 |
| Big name in candy cups | 22 |
| Big name in candy corn | 22 |
| Big name in candy | 17 |
| Big name in Canadian gas | 24 |
| Big name in can-making | 22 |
| Big name in camping gear | 24 |
| Big name in campgrounds | 23 |
| Big name in campers | 19 |
| Big name in cameras and copiers | 31 |
| Big name in cameras | 19 |
| Big name in camera film | 23 |
| Big name in California wines | 28 |
| Big name in California wine | 27 |
| Big name in calculators and digital watches | 43 |
| Big name in calculators | 23 |
| Big name in cakes | 17 |
| Big name in cake mix | 20 |
| Big name in business planes | 27 |
| Big name in burritos | 20 |
| Big name in burners | 19 |
| Big name in Burmese history | 27 |
| Big name in Burma's history | 31 |
| Big name in burlesque | 21 |
| Big name in Bulls basketball | 28 |
| Big name in building-block toys | 31 |
| Big name in building sets | 25 |
| Big name in building blocks | 27 |
| Big name in building block toys | 31 |
| Big name in bug control | 23 |
| Big name in bubbly | 18 |
| Big name in brushwork | 21 |
| Big name in browsers | 20 |
| Big name in brokering | 21 |
| Big name in Britpop | 19 |
| Big name in British news, with "The" | 46 |
| Big name in British comedy | 26 |
| Big name in bristles | 20 |
| Big name in briefs | 18 |
| Big name in bridge | 18 |
| Big name in bridal fashion | 26 |
| Big name in bricks | 18 |
| Big name in brewing | 19 |
| Big name in breakfast cereal | 28 |
| Big name in Brazilian soccer | 28 |
| Big name in bras | 16 |
| Big name in boxing trunks | 25 |
| Big name in boxing lore | 23 |
| Big name in boxing | 18 |
| Big name in bowling alleys | 26 |
| Big name in bowling | 19 |
| Big name in bottled water | 25 |
| Big name in Bosox history | 25 |
| Big name in boots | 17 |
| Big name in bookselling | 23 |
| Big name in books and records | 29 |
| Big name in books | 17 |
| Big name in book sales | 22 |
| Big name in book publishing since 1818 | 38 |
| Big name in book publishing | 27 |
| Big name in book clubs | 22 |
| Big name in bone china | 22 |