| DJIA company | 12 |
| Developer of the Watson computer | 32 |
| Deep Thought developer | 22 |
| Deep Blue maker | 15 |
| Deep Blue developer | 19 |
| Deep Blue corp. | 15 |
| Deep Blue computer company | 26 |
| Creator of Watson, a memorable 2011 "Jeopardy!" winner | 64 |
| Creator of the chess champion Deep Blue | 39 |
| Creator of the (current) world's fastest supercomputer | 58 |
| Corporate inits. since 1924 | 27 |
| Corporate giant co-founded by Thomas Watson | 43 |
| Corp. nicknamed "Big Blue" | 36 |
| Corp. called 'Big Blue' | 31 |
| Computer initials | 17 |
| Computer company with the developerWorks web site | 49 |
| Computer co. | 12 |
| Company with an Extreme Blue internship program | 47 |
| Company with a major subsidiary in India | 40 |
| Company whose name is also its stock symbol | 43 |
| Company whose logo was designed by Paul Rand | 44 |
| Company that programmed Deep Blue | 33 |
| Company that invented UPC symbols | 33 |
| Company that invented the ATM and the UPC | 41 |
| Company that developed the Emotion Mouse | 40 |
| Company that developed alphaWorks | 33 |
| Company nicknamed "Big Blue" | 38 |
| Company mentioned in "Mr. Roboto" | 43 |
| Company called "Big Blue" | 35 |
| Company behind the chess-playing computer Deep Blue | 51 |
| Company based in Armonk, N.Y. | 29 |
| Co. with the motto "Think" | 36 |
| Co. whose employees have won four Nobel Prizes | 46 |
| Co. known as "Big Blue" | 33 |
| Co. in the Dow Jones Industrial Average | 39 |
| Co. in the book "Who Says Elephants Can't Dance?" | 63 |
| Co. in the book "Father, Son & Co." | 49 |
| Co. called "Big Blue" | 31 |
| Blue-chip Deep Blue developer | 29 |
| Blue-chip company that developed Deep Blue | 42 |
| Big-Board monogram | 18 |
| Big name in early PCs | 21 |
| Big IT company | 14 |
| Big hirer of techies | 20 |
| Big Board monogram | 18 |
| Big Blue? | 9 |
| Big Blue, slangily | 18 |
| “Big Blue” in business | 30 |
| Armonk, N.Y.-based giant | 24 |
| Aptiva maker | 12 |
| Apple rival | 11 |
| Apple foe | 9 |
| Apple competitor | 16 |
| 1981 PC introducer | 18 |
| "Smarter Planet" company | 34 |
| 'Big Blue' corp. | 24 |
| 'Big Blue' company | 26 |
| 'Big Blue' | 18 |
| High-tech debut of 1981 | 23 |
| Machine that was often cloned | 29 |
| Longtime high-tech compatibility standard | 41 |
| Tech product introduced in '81 | 34 |
| Source of many clones | 21 |
| Many a computer | 15 |
| Landmark tech product of 1981 | 29 |
| Item often cloned | 17 |
| Desktop debut of 1981 | 21 |
| Desktop computer that inspired clones | 37 |
| 1980s hardware that used Microsoft Basic | 40 |
| Some servers | 12 |
| Mac rivals | 10 |
| Some notebooks | 14 |
| Cloned computers | 16 |
| Some PC's | 13 |
| Some early PCs | 14 |
| Deep Blue and others | 20 |
| Certain PCs | 11 |
| Some old laptops | 16 |
| Some desktops | 13 |
| Former Apple rivals | 19 |
| Certain computers | 17 |
| XT computers | 12 |
| Watson, and others: Abbr. | 25 |
| Watson and Big Blue, for two | 28 |
| ThinkPads, e.g. | 15 |
| They were once cloned | 21 |
| Some older PC's | 19 |
| Some old PCs | 12 |
| Some of the first PCs | 21 |
| Selectric typewriters, e.g. | 27 |
| PCs from Big Blue | 17 |
| Many servers | 12 |
| Many PC's | 13 |
| Many PC products | 16 |
| Many P.C.'s | 15 |
| Many IT products | 16 |
| Many early PCs | 14 |
| Long-range missiles | 19 |
| Early PCs | 9 |
| Deep Blue and Watson | 20 |