西武建設（株）'s tech stack
What does 西武建設（株） use?
西武建設（株） (seibu-const.co.jp) uses at least 11 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Cloudflare for content delivery and SendGrid for email delivery. Last checked .
- Industry
- Construction
- Size
- 201–1,000 employees
- Based in
- Kusunokidai, Japan
- Company page
- Tools found
- 11
- Categories
- 8
- Layers
- 5 of 5
- Last checked
- Oct 2026
西武建設（株）'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
2 tools, where the bytes are served from
CDN & Edge
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
2 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
3 tools, what the team runs on day to day
Email Delivery
西武建設（株） tech stack FAQ
What tools does 西武建設（株） use?
We've found 11 tools at 西武建設（株） (seibu-const.co.jp). Edge & Hosting: Cloudflare and Akamai. Application: jQuery, Google Fonts and YouTube. Data & Observability: Google Analytics. Go-to-market: Google Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 3, 2026.
What email provider does 西武建設（株） use?
西武建設（株） uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through email records and DNS verification records.
What analytics tools does 西武建設（株） use?
西武建設（株） uses Google Analytics for analytics. We found Google Analytics through website code.
Does 西武建設（株） use Microsoft 365?
Yes. We found Microsoft 365 at 西武建設（株） through email records and DNS verification records. Microsoft 365 is used by 319,992 companies we track.
How does runsonwhat know what 西武建設（株） uses?
We read public traces only: 西武建設（株）'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.