Carr & Duff's tech stack
What does Carr & Duff use?
Carr & Duff (carrduff.com) uses at least 11 tools we can see from public records, including Microsoft 365 for email and documents, WordPress for its website, Brevo for marketing and SendGrid for email delivery. Last checked .
- Industry
- Construction
- Size
- 201–1,000 employees
- Based in
- Huntingdon Valley, United States
- Founded
- 1958
- Company page
- Tools found
- 11
- Categories
- 8
- Layers
- 3 of 5
- Last checked
- Oct 2026
Carr & Duff's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Application
2 tools, what the product is built with
Frontend
Media & UI
Go-to-market
2 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
Collaboration
Security & Compliance
Carr & Duff tech stack FAQ
What tools does Carr & Duff use?
As of October 2026, runsonwhat has found 11 tools at Carr & Duff (carrduff.com) in public records. Application: jQuery and Adobe Fonts. Go-to-market: WordPress and Brevo. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 7, 2026.
What email provider does Carr & Duff use?
Carr & Duff uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 696,640 companies runsonwhat tracks.
What is Carr & Duff's website built with?
Carr & Duff uses WordPress for its website, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on carrduff.com. WordPress is used by 578,430 companies runsonwhat tracks.
What marketing software does Carr & Duff use?
Carr & Duff uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 77,791 companies runsonwhat tracks.
Does Carr & Duff use jQuery?
Yes. runsonwhat found jQuery at Carr & Duff through jQuery code on carrduff.com. jQuery is a Frontend tool used by 892,649 companies runsonwhat tracks.
How does runsonwhat know what Carr & Duff uses?
runsonwhat reads public records only. Of the 11 tools at Carr & Duff, 5 were found through DNS records, 3 through code on carrduff.com and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and carrduff.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.