# What does MasTec Corporate use? MasTec Corporate (mastec.com) shows public evidence of 23 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Construction - Based in: United States - Founded: 1994 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Okta](https://www.runsonwhat.com/reverse/okta) | Auth & Identity | Custom domain, Website config | 2020-04 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [MailerLite](https://www.runsonwhat.com/reverse/mailerlite) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | DNS verification records | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Webex](https://www.runsonwhat.com/reverse/webex) | Collaboration | DNS verification records | | | [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records | | | [Box](https://www.runsonwhat.com/reverse/box) | Collaboration | DNS verification records | | | [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records | | | [Dropbox](https://www.runsonwhat.com/reverse/dropbox) | Collaboration | DNS verification records, Website code | | | [Nintex](https://www.runsonwhat.com/reverse/nintex) | Collaboration | DNS verification records | | | [iCIMS](https://www.runsonwhat.com/reverse/icims) | People & HR | Custom domain | 2017-09 | ## FAQ ### What tools does MasTec Corporate use? As of October 2026, runsonwhat has found 23 tools at MasTec Corporate (mastec.com) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Application: Google Fonts, Anthropic and Okta. Go-to-market: MailerLite. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does MasTec Corporate run on? MasTec Corporate 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 mastec.com. Amazon Web Services is used by 145,463 companies runsonwhat tracks. ### What email provider does MasTec Corporate use? MasTec Corporate uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 709,015 companies runsonwhat tracks. ### What marketing software does MasTec Corporate use? MasTec Corporate uses MailerLite for marketing, according to runsonwhat (October 2026). runsonwhat found MailerLite through a DNS verification record for MailerLite. MailerLite is used by 15,561 companies runsonwhat tracks. ### What does MasTec Corporate use for hiring and HR? MasTec Corporate uses iCIMS for hiring and HR, according to runsonwhat (October 2026). runsonwhat found iCIMS through a subdomain that points at iCIMS, and MasTec Corporate has used it since at least September 2017. iCIMS is used by 457 companies runsonwhat tracks. ### What does MasTec Corporate use for login and identity? MasTec Corporate uses Okta for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Okta through a subdomain that points at Okta and configuration files, and MasTec Corporate has used it since at least April 2020. Okta is used by 1,864 companies runsonwhat tracks. ### How long has MasTec Corporate used iCIMS? MasTec Corporate has used iCIMS since at least September 2017, going by the first public certificate of the mastec.com subdomain that points at iCIMS. Other long-running tools at MasTec Corporate include Okta (since April 2020). ### Does MasTec Corporate use Google Fonts? Yes. runsonwhat found Google Fonts at MasTec Corporate through Google Fonts code on mastec.com. Google Fonts is a Media & UI tool used by 805,239 companies runsonwhat tracks. ### Does MasTec Corporate use AI tools? Yes. runsonwhat has found Anthropic at MasTec Corporate; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so MasTec Corporate may use more AI tools than these. ### Which companies have a tech stack similar to MasTec Corporate's? The companies with the stacks most like MasTec Corporate's are Tinker Federal Credit Union, Principal Financial Group®, Auburn University and Gallagher, according to runsonwhat (October 2026). Each shares 8 to 14 tools with MasTec Corporate, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what MasTec Corporate uses? runsonwhat reads public records only. Of the 23 tools at MasTec Corporate, 15 were found through DNS records, 3 through code on mastec.com, 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 mastec.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/mastec.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.