# What does SEF® use?

SEF® (sef.ca) shows public evidence of 18 tools, according to runsonwhat (last checked 2026-10-28).

- Industry: Construction
- Size: 51–200 employees
- Based in: Leamington, Canada
- Founded: 1994
- LinkedIn: https://www.linkedin.com/company/south-essex-fabricating-inc

## 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 |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |

## Data & Observability

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

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code |  |
| [Yoast SEO](https://www.runsonwhat.com/reverse/yoast) | Website & CMS | Website code |  |
| [Elementor](https://www.runsonwhat.com/reverse/elementor) | Website & CMS | Website code |  |
| [ConnectWise](https://www.runsonwhat.com/reverse/connectwise) | Support & Docs | Email records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Exclaimer](https://www.runsonwhat.com/reverse/exclaimer) | Workspace | Email records |  |
| [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records |  |
| [Sophos](https://www.runsonwhat.com/reverse/sophos) | Security & Compliance | DNS verification records, Email records |  |

## FAQ

### What tools does SEF® use?

As of November 2026, runsonwhat has found 18 tools at SEF® (sef.ca) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics. Go-to-market: WordPress, Yoast SEO and Elementor. Company Ops: Microsoft 365, reCAPTCHA and Exclaimer. Last checked October 28, 2026.

### What email provider does SEF® use?

SEF® uses Microsoft 365 for email and office software, alongside Exclaimer, 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 719,718 companies runsonwhat tracks.

### What does SEF® use for customer support?

SEF® uses ConnectWise for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found ConnectWise through email records that authorize ConnectWise. ConnectWise is used by 2,188 companies runsonwhat tracks.

### What analytics tools does SEF® use?

SEF® uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on sef.ca. Google Analytics is used by 906,152 companies runsonwhat tracks.

### What is SEF®'s website built with?

SEF® uses WordPress for its website, alongside Yoast SEO and Elementor, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on sef.ca. WordPress is used by 607,119 companies runsonwhat tracks.

### Does SEF® use jQuery?

Yes. runsonwhat found jQuery at SEF® through jQuery code on sef.ca. jQuery is a Frontend tool used by 929,966 companies runsonwhat tracks.

### Does SEF® use AI tools?

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

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

The companies with the stacks most like SEF®'s are Shelby Materials, Big Screen Video, Expedient Technology Solutions and Comodo: Cloud Native Cyber Security Platform, according to runsonwhat (November 2026). Each shares 7 to 10 tools with SEF®, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what SEF® uses?

runsonwhat reads public records only. Of the 18 tools at SEF®, 10 were found through code on sef.ca, 4 through DNS records, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sef.ca about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/sef.ca (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.