| 100% | AIRMAIL | 7 | Airborne service devised by Walter Windham in 1911 |
| 28% | AOL | 3 | Internet service provider bought by Verizon in 2015 |
| 27% | SKYPE | 5 | VOIP service bought by Microsoft in 2011 |
| 27% | TUBI | 4 | Streaming service acquired by Fox in 2020 |
| 27% | VUDU | 4 | Streaming service acquired by Fandango in 2020 |
| 27% | LAUNDRY | 7 | "___ Service," fifth studio album by Shakira which was released in 2001 |
| 26% | ARCHSUPPORT | 11 | Service provided by item named in first words of 17-, 28- and 48-Across? |
| 26% | SKYPE | 5 | Video chat service bought by Microsoft in 2011 |
| 25% | UZI | 3 | "Gun in a briefcase" once used by the US Secret Service VIP section |
| 25% | MOLLY | 5 | ___ Weasley, matriarch of the Weasley family in "Harry Potter," played by Julie Walters |
| 25% | RIDESHARING | 11 | Service offered by 18-Down, and what's happening in the answers to the starred clues |
| 24% | HOTMAIL | 7 | Web-based service succeeded by Outlook in 2013 |
| 24% | BLUECHECK | 9 | Mark obtained by paying for the premium service named in this answer's first word |
| 24% | HOTMAIL | 7 | Email service popular in the '90s and 2000s acquired by Microsoft and rebranded as Outlook |
| 24% | SLRS | 4 | Reporting mark used by the shortline outfit that services Pureland Industrial Park in Bridgeport, NJ |
| 24% | WHITE | 5 | Walter ___ and Jesse Pinkman, TV duo in the series "Breaking Bad" played by Bryan Cranston and Aaron Paul |
| 24% | SOUTHPOLE | 9 | Antarctic point reached by Amundsen in 1911 |
| 23% | SAMEDAY | 7 | Like "in by 9, out by 5" service |
| 23% | SBS | 3 | Brand name used by NYC's MTA rapid transit service that first came into service in 2008 |
| 23% | STOLEN | 6 | This happened to the Mona Lisa in 1911 |
| 23% | HELEN | 5 | ___ Mirren, "The Queen" actress who was knighted by Queen Elizabeth II in 2003 for services to Drama |
| 23% | TAFTS | 5 | First family in 1911 |
| 22% | STAMP | 5 | Elvis Presley Forever ___, tribute to Elvis Presley that was released by the U.S. Postal Service in 2015 |
| 22% | PNC | 3 | American financial services provider, that is the fifth-largest bank in the U.S., by number of branches |
| 22% | CORSICANS | 9 | Crass icon devised by islanders |
| 22% | IVANHOE | 7 | 1820 novel by Walter Scott |
| 22% | UPINTHEAIR | 10 | 2001 novel by Walter Kirn |
| 22% | TVGUIDE | 7 | Weekly founded by Walter Annenberg |