# What does CLECO use? CLECO (cleco.com) shows public evidence of 17 tools, according to runsonwhat (last checked 2026-10-10). - Industry: Electric Power - Size: 1,001–5,000 employees - Based in: Pineville, United States - Founded: 1906 - LinkedIn: https://www.linkedin.com/company/cleco ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Custom domain, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | ## 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 | | ## 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 | |---|---|---|---| | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [Progress Sitefinity](https://www.runsonwhat.com/reverse/progress-sitefinity) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Custom domain, DNS verification records, Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, 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 | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [accessiBe](https://www.runsonwhat.com/reverse/accessibe) | Security & Compliance | Website code | | ## FAQ ### What tools does CLECO use? As of October 2026, runsonwhat has found 17 tools at CLECO (cleco.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery and Google Fonts. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Mailchimp and Progress Sitefinity. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 10, 2026. ### What cloud does CLECO run on? CLECO 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 cleco.com. Amazon Web Services is used by 144,869 companies runsonwhat tracks. ### What email provider does CLECO use? CLECO uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a subdomain that points at Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,703 companies runsonwhat tracks. ### What analytics tools does CLECO use? CLECO uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cleco.com. Google Analytics is used by 852,832 companies runsonwhat tracks. ### What is CLECO's website built with? CLECO uses Progress Sitefinity for its website, according to runsonwhat (October 2026). runsonwhat found Progress Sitefinity through Progress Sitefinity code on cleco.com. Progress Sitefinity is used by 682 companies runsonwhat tracks. ### What marketing software does CLECO use? CLECO uses Mailchimp for marketing, according to runsonwhat (October 2026). runsonwhat found Mailchimp through Mailchimp code on cleco.com. Mailchimp is used by 113,212 companies runsonwhat tracks. ### Does CLECO use jQuery? Yes. runsonwhat found jQuery at CLECO through jQuery code on cleco.com. jQuery is a Frontend tool used by 897,336 companies runsonwhat tracks. ### Which companies have a tech stack similar to CLECO's? The companies with the stacks most like CLECO's are Quest Apartment Hotels, National Laboratory Of The Rockies, NAU Country Insurance Company and Scapa Healthcare (United Kingdom), according to runsonwhat (October 2026). Each shares 6 to 11 tools with CLECO, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what CLECO uses? runsonwhat reads public records only. Of the 17 tools at CLECO, 8 were found through code on cleco.com, 4 through DNS records, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cleco.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/cleco.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.