| 1797 Creative | |
| 17hats | California |
| 18 East Web Design | California |
| 18 Street Design, LLC | South Carolina |
| 180 Degree Capital Corporation | New Jersey |
| 180 Life Sciences | California |
| 1800SEO | |
| 1804WebSolutions, Inc. | Florida |
| 180i Technology & Marketing | California |
| 1821 Design | Illinois |
| 1843 Capital | District of Columbia |
| 1863 Ventures | District of Columbia |
| 1871 | Illinois |
| 18F | District of Columbia |
| 1901 Group, LLC | Virginia |
| 1910 Genetics | Massachusetts |
| 1950labs | |
| 1959, Inc. | California |
| 1969 Communications | California |
| 19Labs | California |
| 1BrightStar | North Carolina |
| 1build | California |
| 1C International, LLC | California |
| 1Digital Agency | Pennsylvania |
| 1EZ Creative Orange County Web Design | California |
| 1Flow | California |
| 1Host | California |
| 1Kosmos, Inc. | New Jersey |
| 1mage Software, Inc. | Colorado |
| 1More International Ltd | California |
| 1north | Florida |
| 1O8 Agency | |
| 1Path | Georgia |
| 1Point2Interactive | |
| 1second.com | Florida |
| 1SEO | |
| 1ShoppingCart | Florida |
| 1SkyMedia.com | Pennsylvania |
| 1Soft Corporation | Oregon |
| 1st Advantage Federal Credit Union | |
| 1st Audio USA | New York |
| 1st Choice Website Solutions | Arizona |
| 1st Click Consulting | Colorado |
| 1st Community Bank | |
| 1st Community Federal Credit Union | |
| 1st Design | California |
| 1st Equity Bank | |
| 1st Financial Bank USA | |
| 1st Free Solitaire | Virginia |
| 1st Gateway Credit Union | |