# What does Castle Contracting, LLC. use?

Castle Contracting, LLC. (digcastle.com) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Construction
- Size: 51–200 employees
- Based in: St. Louis, United States
- Founded: 1995
- LinkedIn: https://www.linkedin.com/company/castle-contracting

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code |  |
| [Acquia](https://www.runsonwhat.com/reverse/acquia) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records |  |

## FAQ

### What tools does Castle Contracting, LLC. use?

As of October 2026, runsonwhat has found 15 tools at Castle Contracting, LLC. (digcastle.com) in public records. Edge & Hosting: GoDaddy, Amazon Web Services and Fastly. Application: jQuery and Tailwind CSS. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Microsoft Ads and LinkedIn Insight Tag. Company Ops: Microsoft 365, CookieYes and Mimecast. Last checked October 20, 2026.

### What cloud does Castle Contracting, LLC. run on?

Castle Contracting, LLC. uses Amazon Web Services for hosting and cloud infrastructure, alongside Acquia, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on digcastle.com. Amazon Web Services is used by 145,073 companies runsonwhat tracks.

### What email provider does Castle Contracting, LLC. use?

Castle Contracting, LLC. uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 705,045 companies runsonwhat tracks.

### What analytics tools does Castle Contracting, LLC. use?

Castle Contracting, LLC. uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on digcastle.com. Google Analytics is used by 858,253 companies runsonwhat tracks.

### Does Castle Contracting, LLC. use jQuery?

Yes. runsonwhat found jQuery at Castle Contracting, LLC. through jQuery code on digcastle.com. jQuery is a Frontend tool used by 901,395 companies runsonwhat tracks.

### Which companies have a tech stack similar to Castle Contracting, LLC.'s?

The companies with the stacks most like Castle Contracting, LLC.'s are Miax, Oriental Motor Asia Pacific, IAAPA.org and Saint-Gobain Romania, according to runsonwhat (October 2026). Each shares 2 to 7 tools with Castle Contracting, LLC., and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Castle Contracting, LLC. uses?

runsonwhat reads public records only. Of the 15 tools at Castle Contracting, LLC., 10 were found through code on digcastle.com, 3 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and digcastle.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/digcastle.com (updated October 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.