# What does Turnstyle use?

Turnstyle (tcfarchitecture.com) shows public evidence of 10 tools, according to runsonwhat (last checked 2026-11-12).

- Industry: Architecture & Planning
- Size: 11–50 employees
- Based in: Seattle, United States
- Founded: 1960
- LinkedIn: https://www.linkedin.com/company/tcf-architecture

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records |  |
| [Parsec](https://www.runsonwhat.com/reverse/parsec) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Turnstyle use?

As of November 2026, runsonwhat has found 10 tools at Turnstyle (tcfarchitecture.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: Vimeo, Tailwind CSS and Anthropic. Go-to-market: Mailchimp. Company Ops: Microsoft 365, Smartsheet and Parsec. Last checked November 12, 2026.

### What email provider does Turnstyle use?

Turnstyle uses Microsoft 365 for email and office software, 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 739,101 companies runsonwhat tracks.

### What marketing software does Turnstyle use?

Turnstyle uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,455 companies runsonwhat tracks.

### Does Turnstyle use Cloudflare?

Yes. runsonwhat found Cloudflare at Turnstyle through Cloudflare code on tcfarchitecture.com. Cloudflare is a CDN & Edge tool used by 737,816 companies runsonwhat tracks.

### Does Turnstyle use AI tools?

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

### Which companies have a tech stack similar to Turnstyle's?

The companies with the stacks most like Turnstyle's are Pineda Group, Der Marienkäfer e.V., LEO Events and Crytek, according to runsonwhat (November 2026). Each shares 3 to 6 tools with Turnstyle, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Turnstyle uses?

runsonwhat reads public records only. Of the 10 tools at Turnstyle, 6 were found through DNS records, 3 through code on tcfarchitecture.com and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and tcfarchitecture.com about monthly.


---

Source: runsonwhat, https://www.runsonwhat.com/company/tcfarchitecture.com (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.