# What does Builders FirstSource use? Builders FirstSource (bldr.com) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Building Materials Trade - Size: 10,000+ employees - Based in: Irving, United States - Founded: 1998 - LinkedIn: https://www.linkedin.com/company/builders-firstsource ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [CSC](https://www.runsonwhat.com/reverse/csc-domains) | DNS | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code | | | [Google Maps](https://www.runsonwhat.com/reverse/google-maps) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain | | ## 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Dynatrace](https://www.runsonwhat.com/reverse/dynatrace) | Monitoring | DNS verification records | | | [Wicked Reports](https://www.runsonwhat.com/reverse/wicked-reports) | Analytics | Website code | | ## 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 | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records, Website code | | | [Pardot](https://www.runsonwhat.com/reverse/pardot) | Marketing | Custom domain, DNS verification records, Email records, Website code | | | [StackAdapt](https://www.runsonwhat.com/reverse/stackadapt) | Ads & Pixels | Website code | | | [SAP Commerce Cloud](https://www.runsonwhat.com/reverse/sap-commerce-cloud) | Website & CMS | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, Email records, Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | Security & Compliance | Email records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records | | | [Docker](https://www.runsonwhat.com/reverse/docker) | Dev Tools | DNS verification records | | | [Lovable](https://www.runsonwhat.com/reverse/lovable) | Dev Tools | DNS verification records | | | [iCIMS](https://www.runsonwhat.com/reverse/icims) | People & HR | Custom domain | | | [MuleSoft Anypoint](https://www.runsonwhat.com/reverse/mulesoft) | Dev Tools | Custom domain | | ## Recent changes at Builders FirstSource - 2026-10-20: started using [Lovable](https://www.runsonwhat.com/reverse/lovable) ## FAQ ### What tools does Builders FirstSource use? As of October 2026, runsonwhat has found 34 tools at Builders FirstSource (bldr.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and CSC. Application: jQuery, Vimeo and Google Maps. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Atlassian. Last checked October 20, 2026. ### What cloud does Builders FirstSource run on? Builders FirstSource 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 bldr.com. Amazon Web Services is used by 145,783 companies runsonwhat tracks. ### What CRM does Builders FirstSource use? Builders FirstSource uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on bldr.com. Salesforce is used by 34,160 companies runsonwhat tracks. ### What email provider does Builders FirstSource use? Builders FirstSource 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 712,527 companies runsonwhat tracks. ### What analytics tools does Builders FirstSource use? Builders FirstSource uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Wicked Reports, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on bldr.com. Google Analytics is used by 883,633 companies runsonwhat tracks. ### What is Builders FirstSource's website built with? Builders FirstSource uses SAP Commerce Cloud for its website, according to runsonwhat (October 2026). runsonwhat found SAP Commerce Cloud through SAP Commerce Cloud code on bldr.com. SAP Commerce Cloud is used by 433 companies runsonwhat tracks. ### Does Builders FirstSource use jQuery? Yes. runsonwhat found jQuery at Builders FirstSource through jQuery code on bldr.com. jQuery is a Frontend tool used by 918,006 companies runsonwhat tracks. ### Does Builders FirstSource use AI tools? Yes. runsonwhat has found Anthropic at Builders FirstSource; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Builders FirstSource may use more AI tools than these. ### Has Builders FirstSource changed tools recently? Yes. On runsonwhat's rechecks, Builders FirstSource started using Lovable (latest on October 20, 2026). A change counts only between two checks of bldr.com done the same way. ### Which companies have a tech stack similar to Builders FirstSource's? The companies with the stacks most like Builders FirstSource's are AXA.com, Cracker Barrel, Porter Airlines and Rotech Healthcare, according to runsonwhat (October 2026). Each shares 10 to 16 tools with Builders FirstSource, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Builders FirstSource uses? runsonwhat reads public records only. Of the 34 tools at Builders FirstSource, 16 were found through code on bldr.com, 9 through DNS records, 5 through subdomains that point at the vendor, 3 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and bldr.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/bldr.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.