# Default stack by industry and size

Data behind the Installmap post "Every industry runs the same default stack" (https://installmap.com/research/default-stack-by-industry-and-size), September 2026.

## Files

- `default_stack.csv`: one row per tool per category per segment. Segments are the 2026 Inc 5000 by industry and employee band, all Inc 5000 companies by band, and Y Combinator companies by team size. Rank 1 in a category is the default for that segment.
- `crm-by-industry.svg`: the chart in the post, the most common CRM tag in each Inc 5000 industry.

## Columns

- `group`: `inc5000_2026` or `yc`.
- `industry`: Inc's industry label, `All industries`, or `All YC`.
- `size_band`: `all`, or an employee band. Inc bands: 1-10, 11-50, 51-200, 201-500, 501+ (Inc's 501-1000, 1001-5000 and 5000+ bands combined). YC bands come from team size: 1-10, 11-50, 51-200, 201+.
- `category`: Website, CRM, Chat, Forms, Consent, Visitor ID, Ad pixel, Analytics (non-Google).
- `rank`: position of the tool in that category and segment, by number of companies. Ties share no rank order beyond alphabetical.
- `tool`, `tool_slug`: the tool, with its Installmap slug.
- `companies`: homepages in the segment where the tool was detected.
- `base`: homepages in the segment that loaded.
- `share_pct`: companies / base, in percent.
- `any_tool_in_category`, `any_share_pct`: homepages with at least one tool of the category.

Segments with fewer than 20 loaded homepages are left out. Free to use with a link to the post.