# What does Extreme Customs use?

Extreme Customs (extremecustoms.com) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-30).

- Industry: Automotive
- Size: 11–50 employees
- Based in: Oshkosh, United States
- Founded: 2003
- LinkedIn: https://www.linkedin.com/company/extreme-customs

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | 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 |  |
| [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code |  |
| [Affirm](https://www.runsonwhat.com/reverse/affirm) | Payments & Billing | 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 |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain |  |
| [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code |  |
| [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code |  |
| [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | 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 |  |

## FAQ

### What tools does Extreme Customs use?

As of November 2026, runsonwhat has found 18 tools at Extreme Customs (extremecustoms.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365. Last checked October 30, 2026.

### What email provider does Extreme Customs use?

Extreme Customs 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 720,762 companies runsonwhat tracks.

### What does Extreme Customs use for customer support?

Extreme Customs uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk. Zendesk is used by 42,972 companies runsonwhat tracks.

### What payment provider does Extreme Customs use?

Extreme Customs uses Affirm for payments and billing, according to runsonwhat (November 2026). runsonwhat found Affirm through Affirm code on extremecustoms.com. Affirm is used by 1,369 companies runsonwhat tracks.

### What analytics tools does Extreme Customs use?

Extreme Customs uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on extremecustoms.com. Google Analytics is used by 906,063 companies runsonwhat tracks.

### What marketing software does Extreme Customs use?

Extreme Customs uses Klaviyo for marketing, alongside Trustpilot, according to runsonwhat (November 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo and code on extremecustoms.com. Klaviyo is used by 35,966 companies runsonwhat tracks.

### Does Extreme Customs use jQuery?

Yes. runsonwhat found jQuery at Extreme Customs through jQuery code on extremecustoms.com. jQuery is a Frontend tool used by 929,880 companies runsonwhat tracks.

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

The companies with the stacks most like Extreme Customs' are Cbi Offroad Fab, DECKED, Soil Food Web School and Strictly Bicycles, according to runsonwhat (November 2026). Each shares 7 to 12 tools with Extreme Customs, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Extreme Customs uses?

runsonwhat reads public records only. Of the 18 tools at Extreme Customs, 15 were found through code on extremecustoms.com, 2 through DNS records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and extremecustoms.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/extremecustoms.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.