# What does GLDD use? GLDD (gldd.com) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Maritime - Size: 1,001–5,000 employees - Based in: Houston, United States - Founded: 1890 - LinkedIn: https://www.linkedin.com/company/great-lakes-dredge-and-dock-company-llc ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | 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 | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [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 | | ## 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 | | | [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Custom domain | 2024-11 | | [CallRail](https://www.runsonwhat.com/reverse/callrail) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | 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 | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [CleanTalk](https://www.runsonwhat.com/reverse/cleantalk) | Security & Compliance | Website code | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Autodesk](https://www.runsonwhat.com/reverse/autodesk) | Collaboration | DNS verification records | | | [Dropbox](https://www.runsonwhat.com/reverse/dropbox) | Collaboration | DNS verification records, Website code | | | [Docebo](https://www.runsonwhat.com/reverse/docebo) | People & HR | Email records | | ## FAQ ### What tools does GLDD use? As of October 2026, runsonwhat has found 28 tools at GLDD (gldd.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: jQuery, Google Fonts and Vimeo. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 20, 2026. ### What cloud does GLDD run on? GLDD uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on gldd.com. Amazon Web Services is used by 145,251 companies runsonwhat tracks. ### What sales tools does GLDD use? The sales tools runsonwhat has found at GLDD are Calendly and CallRail (October 2026); no CRM shows up in GLDD's public records. runsonwhat found Calendly through Calendly code on gldd.com. ### What email provider does GLDD use? GLDD 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 and code on gldd.com. Microsoft 365 is used by 706,390 companies runsonwhat tracks. ### What does GLDD use for customer support? GLDD uses Freshdesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Freshdesk through a subdomain that points at Freshdesk, and GLDD has used it since at least November 2024. Freshdesk is used by 12,294 companies runsonwhat tracks. ### What payment provider does GLDD use? GLDD uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through Stripe code on gldd.com. Stripe is used by 26,946 companies runsonwhat tracks. ### How long has GLDD used Freshdesk? GLDD has used Freshdesk since at least November 2024, going by the first public certificate of the gldd.com subdomain that points at Freshdesk. ### Does GLDD use jQuery? Yes. runsonwhat found jQuery at GLDD through jQuery code on gldd.com. jQuery is a Frontend tool used by 905,675 companies runsonwhat tracks. ### Does GLDD use AI tools? Yes. runsonwhat has found OpenAI at GLDD; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so GLDD may use more AI tools than these. ### Which companies have a tech stack similar to GLDD's? The companies with the stacks most like GLDD's are TruBridge, Velera, Carters and Go Karting For Fun, according to runsonwhat (October 2026). Each shares 6 to 11 tools with GLDD, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what GLDD uses? runsonwhat reads public records only. Of the 28 tools at GLDD, 16 were found through code on gldd.com, 7 through DNS records, 4 through email 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 gldd.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/gldd.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.