# What does SEi Security use? SEi Security (seisecurity.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-28). - Industry: Security and Investigations - Size: 51–200 employees - Based in: Omaha, United States - Founded: 1969 - LinkedIn: https://www.linkedin.com/company/security-equipment-inc- ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code | | | [Fly.io](https://www.runsonwhat.com/reverse/fly) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | 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 | | | [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign) | 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 | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [CleanTalk](https://www.runsonwhat.com/reverse/cleantalk) | Security & Compliance | Website code | | | [SMTP2GO](https://www.runsonwhat.com/reverse/smtp2go) | Email Delivery | Email records | | ## Recent changes at SEi Security - 2026-10-20: started using [SMTP2GO](https://www.runsonwhat.com/reverse/smtp2go) ## FAQ ### What tools does SEi Security use? As of November 2026, runsonwhat has found 21 tools at SEi Security (seisecurity.com) in public records. Edge & Hosting: GoDaddy, Fastly and Fly.io. Application: jQuery, Google Maps and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 28, 2026. ### What cloud does SEi Security run on? SEi Security uses Fly.io for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Fly.io through Fly.io code on seisecurity.com. Fly.io is used by 5,469 companies runsonwhat tracks. ### What sales tools does SEi Security use? The sales tools runsonwhat has found at SEi Security are Calendly (November 2026); no CRM shows up in SEi Security's public records. runsonwhat found Calendly through Calendly code on seisecurity.com. Calendly is used by 31,444 companies runsonwhat tracks. ### What email provider does SEi Security use? SEi Security uses Microsoft 365 for email and office software, alongside Apple Business, 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 719,668 companies runsonwhat tracks. ### What payment provider does SEi Security use? SEi Security uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through Stripe code on seisecurity.com. Stripe is used by 30,934 companies runsonwhat tracks. ### What analytics tools does SEi Security use? SEi Security 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 seisecurity.com. Google Analytics is used by 906,208 companies runsonwhat tracks. ### Does SEi Security use jQuery? Yes. runsonwhat found jQuery at SEi Security through jQuery code on seisecurity.com. jQuery is a Frontend tool used by 930,047 companies runsonwhat tracks. ### Has SEi Security changed tools recently? Yes. On runsonwhat's rechecks, SEi Security started using SMTP2GO (latest on October 20, 2026). A change counts only between two checks of seisecurity.com done the same way. ### How does runsonwhat know what SEi Security uses? runsonwhat reads public records only. Of the 21 tools at SEi Security, 14 were found through code on seisecurity.com, 5 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 seisecurity.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/seisecurity.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.