# What does Primary Systems use?

Primary Systems (primary-systems.com) shows public evidence of 14 tools, according to runsonwhat (last checked 2026-10-16).

- Industry: Healthcare
- Size: 51–200 employees
- Based in: St. Louis, United States
- Founded: 1976
- LinkedIn: https://www.linkedin.com/company/primary-systems

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [WP Engine](https://www.runsonwhat.com/reverse/wpengine) | Hosting & Cloud | Custom domain, 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 |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | 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 |  |
| [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records |  |
| [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Barracuda](https://www.runsonwhat.com/reverse/barracuda) | Security & Compliance | Email records |  |

## FAQ

### What tools does Primary Systems use?

As of October 2026, runsonwhat has found 14 tools at Primary Systems (primary-systems.com) in public records. Edge & Hosting: Cloudflare and WP Engine. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Yoast SEO and Calendly. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 16, 2026.

### What cloud does Primary Systems run on?

Primary Systems uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through a subdomain that points at WP Engine and code on primary-systems.com. WP Engine is used by 50,721 companies runsonwhat tracks.

### What sales tools does Primary Systems use?

The sales tools runsonwhat has found at Primary Systems are Calendly (October 2026); no CRM shows up in Primary Systems' public records. runsonwhat found Calendly through Calendly code on primary-systems.com. Calendly is used by 24,644 companies runsonwhat tracks.

### What email provider does Primary Systems use?

Primary Systems uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 704,047 companies runsonwhat tracks.

### What is Primary Systems's website built with?

Primary Systems uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on primary-systems.com. WordPress is used by 583,606 companies runsonwhat tracks.

### Does Primary Systems use jQuery?

Yes. runsonwhat found jQuery at Primary Systems through jQuery code on primary-systems.com. jQuery is a Frontend tool used by 898,994 companies runsonwhat tracks.

### How does runsonwhat know what Primary Systems uses?

runsonwhat reads public records only. Of the 14 tools at Primary Systems, 10 were found through code on primary-systems.com, 2 through email records, 1 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 primary-systems.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/primary-systems.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.