# What does Grand Circle Corporation use? Grand Circle Corporation (gct.com) shows public evidence of 25 tools, according to runsonwhat (last checked 2026-10-18). - Industry: Leisure, Travel & Tourism - Size: 1,001–5,000 employees - Based in: Boston, United States - LinkedIn: https://www.linkedin.com/company/grand-circle-corporation ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Adobe Dynamic Media Classic](https://www.runsonwhat.com/reverse/adobe-dynamic-media-classic) | Media & UI | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Adobe Experience Platform Tags](https://www.runsonwhat.com/reverse/adobe-launch) | Data Pipeline | Website code | | | [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code | | | [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | DNS verification records, Website code | | | [FullStory](https://www.runsonwhat.com/reverse/fullstory) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code | | | [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code | | | [LiveIntent](https://www.runsonwhat.com/reverse/liveintent) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | ## FAQ ### What tools does Grand Circle use? As of October 2026, runsonwhat has found 25 tools at Grand Circle (gct.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Google Analytics, Adobe Experience Platform Tags and Optimizely. Go-to-market: Meta Pixel, Mailchimp and Adobe Audience Manager. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 18, 2026. ### What cloud does Grand Circle run on? Grand Circle uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through Vercel code on gct.com. Vercel is used by 47,866 companies runsonwhat tracks. ### What email provider does Grand Circle use? Grand Circle uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 709,028 companies runsonwhat tracks. ### What analytics tools does Grand Circle use? Grand Circle uses Google Analytics for analytics, alongside FullStory, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on gct.com. Google Analytics is used by 874,455 companies runsonwhat tracks. ### What marketing software does Grand Circle use? Grand Circle uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on gct.com. Mailchimp is used by 114,657 companies runsonwhat tracks. ### What monitoring tools does Grand Circle use? Grand Circle uses Dynatrace for monitoring, according to runsonwhat (October 2026). runsonwhat found Dynatrace through a DNS verification record for Dynatrace and code on gct.com. Dynatrace is used by 4,570 companies runsonwhat tracks. ### Does Grand Circle use Google Fonts? Yes. runsonwhat found Google Fonts at Grand Circle through Google Fonts code on gct.com. Google Fonts is a Media & UI tool used by 805,753 companies runsonwhat tracks. ### Which companies have a tech stack similar to Grand Circle's? The companies with the stacks most like Grand Circle's are Hazelden Betty Ford Foundation, Viega Australia, WK Kellogg and MSA Safety, according to runsonwhat (October 2026). Each shares 6 to 10 tools with Grand Circle, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Grand Circle uses? runsonwhat reads public records only. Of the 25 tools at Grand Circle, 15 were found through code on gct.com, 6 through DNS records and 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and gct.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/gct.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.