| Big name in motels | 18 |
| Big name in mortgages | 21 |
| Big name in morning TV | 22 |
| Big name in morning radio | 25 |
| Big name in Monaco | 18 |
| Big name in moisturizing products | 33 |
| Big name in moisturizing cream | 30 |
| Big name in Modernism | 21 |
| Big name in modeling agencies | 29 |
| Big name in model trains | 24 |
| Big name in mobility scooters | 29 |
| Big name in mobile phones | 25 |
| Big name in mobile communications | 33 |
| Big name in mobile broadband | 28 |
| Big name in mints | 17 |
| Big name in mineral water | 25 |
| Big name in military information | 32 |
| Big name in metas | 17 |
| Big name in metals | 18 |
| Big name in metal wrap | 22 |
| Big name in metal foil | 22 |
| Big name in menswear and cologne | 32 |
| Big name in menswear | 20 |
| Big name in men's shirts | 28 |
| Big name in men's grooming | 30 |
| Big name in men's fashion | 29 |
| Big name in men's clothes | 29 |
| Big name in mediocre steak | 26 |
| Big name in media | 17 |
| Big name in meatless burgers | 28 |
| Big name in mattresses | 22 |
| Big name in matchmaking | 23 |
| Big name in markers | 19 |
| Big name in marches | 19 |
| Big name in mapmaking | 21 |
| Big name in makeup, Elizabeth ___ | 33 |
| Big name in makeup, Elizabeth | 29 |
| Big name in makeup | 18 |
| Big name in mail-order business | 31 |
| Big name in mail order | 22 |
| Big name in magic history | 25 |
| Big name in magazine publishing | 31 |
| Big name in luxury watches | 26 |
| Big name in luxury travel | 25 |
| Big name in luxury SUVs | 23 |
| Big name in luxury hotels | 25 |
| Big name in luxury cars | 23 |
| Big name in luxury autos | 24 |
| Big name in luxury automobiles | 30 |
| Big name in luggage | 19 |
| Big name in low-stress camping | 30 |
| Big name in London | 18 |
| Big name in locks | 17 |
| Big name in lock-changing | 25 |
| Big name in little trucks | 25 |
| Big name in little trains | 25 |
| Big name in little suits | 24 |
| Big name in little stories | 26 |
| Big name in little cars | 23 |
| Big name in little candy | 24 |
| Big name in little books | 24 |
| Big name in little blocks | 25 |
| Big name in lithography | 23 |
| Big name in liquor | 18 |
| Big name in liquid bandages | 27 |
| Big name in links history | 25 |
| Big name in lingerie | 20 |
| Big name in lighters and pens | 29 |
| Big name in lighters | 20 |
| Big name in light verse | 23 |
| Big name in light planes | 24 |
| Big name in library science | 27 |
| Big name in lexicography | 24 |
| Big name in lenses | 18 |
| Big name in lens care | 21 |
| Big name in lemons | 18 |
| Big name in leather goods | 25 |
| Big name in leather bags | 24 |
| Big name in lease-to-own furniture | 34 |
| Big name in LCD TVs | 19 |
| Big name in lawn products | 25 |
| Big name in lawn mowers | 23 |
| Big name in lawn equipment | 26 |
| Big name in lawn care products | 30 |
| Big name in lawn care | 21 |
| Big name in law and legerdemain | 31 |
| Big name in late-night TV | 25 |
| Big name in late-night talk | 27 |
| Big name in late-night | 22 |
| Big name in laptops | 19 |
| Big name in lanterns | 20 |
| Big name in laminate flooring | 29 |
| Big name in labels | 18 |
| Big name in kosher products | 27 |
| Big name in knives | 18 |
| Big name in kitchenware | 23 |
| Big name in kitchen wrap | 24 |
| Big name in kitchen utensils | 28 |
| Big name in kitchen products | 28 |
| Big name in kitchen gadgets seen on infomercials | 48 |