runsonwhat

Port of Subs's tech stack

What does Port of Subs use?

Port of Subs (portofsubs.com) uses at least 15 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery, SendGrid for email delivery and GlobalSign for security. Last checked .

Industry
Restaurant
Size
201–1,000 employees
Based in
Reno, United States
Founded
1972
LinkedIn
Company page
Tools found
15
Categories
8
Layers
4 of 5
Last checked
Oct 2026

Port of Subs'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.

Edge & Hosting

1 tool, where the bytes are served from

CDN & Edge

Application

1 tool, what the product is built with

Backend & Database

Go-to-market

2 tools, how they find and keep customers

Port of Subs tech stack FAQ

What tools does Port of Subs use?

We've found 15 tools at Port of Subs (portofsubs.com). Edge & Hosting: Cloudflare. Application: Firebase. Go-to-market: Meta Pixel. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 3, 2026.

What email provider does Port of Subs use?

Port of Subs uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through DNS verification records and email records.

Does Port of Subs use Microsoft 365?

Yes. We found Microsoft 365 at Port of Subs through DNS verification records and email records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Port of Subs uses?

We read public traces only: Port of Subs's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.