# What does SJ use?

SJ (sj.dk) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-11-11).

- Industry: Civil Engineering
- Size: 51–200 employees
- Based in: Aarhus, Denmark
- Founded: 1945
- LinkedIn: https://www.linkedin.com/company/s-ren-jensen-r-dgivende-ingeni-rfirma

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |
| [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) | Security & Compliance | DNS verification records |  |
| [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records |  |

## FAQ

### What tools does SJ use?

As of November 2026, runsonwhat has found 14 tools at SJ (sj.dk) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Go-to-market: Zendesk. Company Ops: Microsoft 365, Apple Business and GlobalSign. Last checked November 11, 2026.

### What email provider does SJ use?

SJ uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 736,661 companies runsonwhat tracks.

### What does SJ use for customer support?

SJ uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on sj.dk. Zendesk is used by 43,773 companies runsonwhat tracks.

### Does SJ use jQuery?

Yes. runsonwhat found jQuery at SJ through jQuery code on sj.dk. jQuery is a Frontend tool used by 927,260 companies runsonwhat tracks.

### Does SJ use AI tools?

Yes. runsonwhat has found Anthropic at SJ; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so SJ may use more AI tools than these.

### How does runsonwhat know what SJ uses?

runsonwhat reads public records only. Of the 14 tools at SJ, 8 were found through DNS records, 4 through code on sj.dk and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sj.dk about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/sj.dk (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.