# Startup and enterprise stacks, four company lists

One row per tool. Shares are percentages of the domains scored in that group.

## Columns

- `tool_slug`: the Installmap fingerprint slug.
- `tool_name`: the brand name.
- `category`: the Installmap software category.
- `yc_users`: Y Combinator domains carrying the tool.
- `yc_share`: that count as a percentage of the YC base.
- `f500_users`: Fortune 500 domains carrying the tool.
- `f500_share`: that count as a percentage of the Fortune 500 base.
- `unicorn_users`: unicorn domains carrying the tool.
- `unicorn_share`: that count as a percentage of the unicorn base.
- `inc5000_users`: Inc 5000 (2026) domains carrying the tool.
- `inc5000_share`: that count as a percentage of the Inc 5000 base.

## Denominators

| Group | Domains scored | Domains on the list |
| --- | ---: | ---: |
| Y Combinator | 5,386 | 6,133 |
| Fortune 500 | 472 | 500 |
| Unicorns | 1,000 | 1,111 |
| Inc 5000 (2026) | 4,885 | 4,969 |

## Licence

Data: CC BY 4.0, Installmap, 2026-09-04.
Source: Installmap, September 2026.