# What does ImmunoGen Inc. use?

ImmunoGen Inc. (immunogen.com) shows public evidence of 22 tools, according to runsonwhat (last checked 2026-10-10).

- Based in: United States
- Founded: 1981

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Email records |  |
| [Salesforce Marketing Cloud](https://www.runsonwhat.com/reverse/sfmc) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, 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 |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records |  |
| [Mimecast](https://www.runsonwhat.com/reverse/mimecast) | 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 |  |
| [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records |  |
| [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records |  |
| [Cisco Secure Email](https://www.runsonwhat.com/reverse/cisco-email) | Security & Compliance | Email records |  |
| [TeamViewer](https://www.runsonwhat.com/reverse/teamviewer) | Dev Tools | DNS verification records |  |
| [Amazon Business](https://www.runsonwhat.com/reverse/amazon-business) | Finance & Legal | DNS verification records |  |

## FAQ

### What tools does ImmunoGen use?

As of October 2026, runsonwhat has found 22 tools at ImmunoGen (immunogen.com) in public records. Edge & Hosting: Cloudflare. Go-to-market: Zendesk, Salesforce and Salesforce Marketing Cloud. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 10, 2026.

### What CRM does ImmunoGen use?

ImmunoGen uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce. Salesforce is used by 33,412 companies runsonwhat tracks.

### What email provider does ImmunoGen use?

ImmunoGen uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 700,597 companies runsonwhat tracks.

### What does ImmunoGen use for customer support?

ImmunoGen uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,836 companies runsonwhat tracks.

### What marketing software does ImmunoGen use?

ImmunoGen uses Salesforce Marketing Cloud for marketing, according to runsonwhat (October 2026). runsonwhat found Salesforce Marketing Cloud through a DNS verification record for Salesforce Marketing Cloud. Salesforce Marketing Cloud is used by 5,263 companies runsonwhat tracks.

### Does ImmunoGen use Cloudflare?

Yes. runsonwhat found Cloudflare at ImmunoGen through Cloudflare code on immunogen.com. Cloudflare is a CDN & Edge tool used by 691,529 companies runsonwhat tracks.

### Which companies have a tech stack similar to ImmunoGen's?

The companies with the stacks most like ImmunoGen's are Yooz, Smoothie King, Panthalassa and Hometown Hero Appliance Repair, according to runsonwhat (October 2026). Each shares 4 to 8 tools with ImmunoGen, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what ImmunoGen uses?

runsonwhat reads public records only. Of the 22 tools at ImmunoGen, 14 were found through DNS records, 7 through email records and 1 through code on immunogen.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and immunogen.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/immunogen.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.