# What does CustomIS - Custom Information Services use? CustomIS - Custom Information Services (customis.com) shows public evidence of 30 tools, according to runsonwhat (last checked 2026-10-24). - Industry: IT Services - Size: 11–50 employees - Based in: Arlington, United States - Founded: 1989 - LinkedIn: https://www.linkedin.com/company/custom-information-services ## 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 | | | [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 | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | 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 | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [Lucky Orange](https://www.runsonwhat.com/reverse/lucky-orange) | 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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain | 2017-10 | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2017-10 | | [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code | | | [Constant Contact](https://www.runsonwhat.com/reverse/constantcontact) | Marketing | 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 | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records | | | [Imperva](https://www.runsonwhat.com/reverse/imperva) | Security & Compliance | Custom domain, Website code | | ## FAQ ### What tools does CustomIS - Custom Information Services use? As of October 2026, runsonwhat has found 30 tools at CustomIS - Custom Information Services (customis.com) in public records. Edge & Hosting: Cloudflare. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and GlobalSign. Last checked October 24, 2026. ### What CRM does CustomIS - Custom Information Services use? CustomIS - Custom Information Services uses HubSpot for its CRM, alongside Calendly, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot, and CustomIS - Custom Information Services has used it since at least October 2017. HubSpot is used by 94,709 companies runsonwhat tracks. ### What email provider does CustomIS - Custom Information Services use? CustomIS - Custom Information Services uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 714,954 companies runsonwhat tracks. ### What analytics tools does CustomIS - Custom Information Services use? CustomIS - Custom Information Services uses Google Analytics for analytics, alongside Google Tag Manager and Lucky Orange, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on customis.com. Google Analytics is used by 888,003 companies runsonwhat tracks. ### What is CustomIS - Custom Information Services's website built with? CustomIS - Custom Information Services uses WordPress for its website, alongside Yoast SEO and HubSpot CMS, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on customis.com. WordPress is used by 600,286 companies runsonwhat tracks. ### What marketing software does CustomIS - Custom Information Services use? CustomIS - Custom Information Services uses Mailchimp for marketing, alongside Constant Contact, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 116,145 companies runsonwhat tracks. ### How long has CustomIS - Custom Information Services used HubSpot? CustomIS - Custom Information Services has used HubSpot since at least October 2017, going by the first public certificate of the customis.com subdomain that points at HubSpot. Other long-running tools at CustomIS - Custom Information Services include HubSpot CMS (since October 2017). ### Does CustomIS - Custom Information Services use jQuery? Yes. runsonwhat found jQuery at CustomIS - Custom Information Services through jQuery code on customis.com. jQuery is a Frontend tool used by 920,348 companies runsonwhat tracks. ### Which companies have a tech stack similar to CustomIS - Custom Information Services's? The companies with the stacks most like CustomIS - Custom Information Services' are Ntiva, Clearspan Communications, Four Facets and Surf Synergy, according to runsonwhat (October 2026). Each shares 7 to 12 tools with CustomIS - Custom Information Services, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what CustomIS - Custom Information Services uses? runsonwhat reads public records only. Of the 30 tools at CustomIS - Custom Information Services, 20 were found through code on customis.com, 3 through DNS records, 3 through email records, 3 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and customis.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/customis.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.