# What does Klein Tools use? Klein Tools (kleintools.com) shows public evidence of 32 tools, according to runsonwhat (last checked 2026-11-10). - Industry: Industrial Manufacturing - Based in: Mansfield, United States - Founded: 1857 - LinkedIn: https://www.linkedin.com/company/klein-tools ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [GoDaddy](https://www.runsonwhat.com/reverse/godaddy) | DNS | DNS records, Website code | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code | | | [Pantheon](https://www.runsonwhat.com/reverse/pantheon) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | DNS verification records | | | [Microsoft Entra ID](https://www.runsonwhat.com/reverse/entra-id) | Auth & Identity | Custom domain | | | [Bynder](https://www.runsonwhat.com/reverse/bynder) | Media & UI | Certificate records | 2025-01 | ## 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 | | | [Crazy Egg](https://www.runsonwhat.com/reverse/crazyegg) | Analytics | Website code | | | [UptimeRobot](https://www.runsonwhat.com/reverse/uptimerobot) | Monitoring | Custom domain | 2025-12 | ## 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 | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain | | | [Bazaarvoice](https://www.runsonwhat.com/reverse/bazaarvoice) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | Email records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Bitwarden](https://www.runsonwhat.com/reverse/bitwarden) | Security & Compliance | DNS verification records | | | [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records | | | [Nintex](https://www.runsonwhat.com/reverse/nintex) | Collaboration | DNS verification records | | | [BeyondTrust](https://www.runsonwhat.com/reverse/beyondtrust) | Security & Compliance | Custom domain | 2024-01 | | [Esker](https://www.runsonwhat.com/reverse/esker) | Finance & Legal | Email records | | ## FAQ ### What tools does Klein Tools use? As of November 2026, runsonwhat has found 32 tools at Klein Tools (kleintools.com) in public records. Edge & Hosting: Cloudflare, GoDaddy and Fastly. Application: jQuery, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Crazy Egg. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked November 10, 2026. ### What cloud does Klein Tools run on? Klein Tools uses Pantheon for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Pantheon through Pantheon code on kleintools.com. Pantheon is used by 4,331 companies runsonwhat tracks. ### What email provider does Klein Tools use? Klein Tools uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on kleintools.com. Microsoft 365 is used by 736,680 companies runsonwhat tracks. ### What does Klein Tools use for customer support? Klein Tools 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 43,777 companies runsonwhat tracks. ### What analytics tools does Klein Tools use? Klein Tools uses Google Analytics for analytics, alongside Google Tag Manager and Crazy Egg, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on kleintools.com. Google Analytics is used by 904,091 companies runsonwhat tracks. ### What marketing software does Klein Tools use? Klein Tools uses Mailchimp for marketing, alongside Bazaarvoice, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,257 companies runsonwhat tracks. ### How long has Klein Tools used BeyondTrust? Klein Tools has used BeyondTrust since at least January 2024, going by the first public certificate of the kleintools.com subdomain that points at BeyondTrust. Other long-running tools at Klein Tools include Bynder (since January 2025) and UptimeRobot (since December 2025). ### Does Klein Tools use jQuery? Yes. runsonwhat found jQuery at Klein Tools through jQuery code on kleintools.com. jQuery is a Frontend tool used by 927,276 companies runsonwhat tracks. ### Does Klein Tools use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Klein Tools; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Klein Tools may use more AI tools than these. ### Which companies have a tech stack similar to Klein Tools's? The companies with the stacks most like Klein Tools' are IPG, Amcor, TT Electronics and Golden Bay Cement, according to runsonwhat (November 2026). Each shares 10 to 13 tools with Klein Tools, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Klein Tools uses? runsonwhat reads public records only. Of the 32 tools at Klein Tools, 11 were found through code on kleintools.com, 10 through DNS records, 6 through email records, 4 through subdomains that point at the vendor and 1 through certificate records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and kleintools.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/kleintools.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.