MasTec Corporate's tech stack
What does MasTec Corporate use?
MasTec Corporate (sefnco.com) uses at least 9 tools we can see from public records, including Amazon CloudFront for content delivery, Proofpoint for security and Microsoft 365 for email and documents. Last checked .
- Industry
- Telecommunications
- Size
- 1,001–5,000 employees
- Based in
- Pacific, United States
- Founded
- 1998
- Company page
- Tools found
- 9
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Nov 2026
MasTec Corporate's stack, layer by layer
Of 9 tools, 5 came from DNS verification records, 2 from website code, 1 from DNS records and 1 from other records. Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Media & UI
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
5 tools, what the team runs on day to day
Workspace
Collaboration
Dev Tools
Security & Compliance
MasTec Corporate tech stack FAQ
What tools does MasTec Corporate use?
As of November 2026, runsonwhat has found 9 tools at MasTec Corporate (sefnco.com) in public records. Edge & Hosting: Amazon Route 53 and Amazon CloudFront. Application: Google Fonts. Company Ops: Microsoft 365, Proofpoint and Smartsheet. Last checked November 2, 2026.
What email provider does MasTec Corporate use?
MasTec Corporate uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 727,898 companies runsonwhat tracks.
Does MasTec Corporate use Google Fonts?
Yes. runsonwhat found Google Fonts at MasTec Corporate through Google Fonts code on sefnco.com. Google Fonts is a Media & UI tool used by 825,639 companies runsonwhat tracks.
How does runsonwhat know what MasTec Corporate uses?
runsonwhat reads public records only. Of the 9 tools at MasTec Corporate, 6 were found through DNS records, 2 through code on sefnco.com and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sefnco.com about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.