E-System's tech stack
What does E-System use?
E-System (esystem.us) uses at least 7 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Squarespace for its website and SendGrid for email delivery. Last checked .
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- Butler, United States
- Company page
- Tools found
- 7
- Categories
- 5
- Layers
- 3 of 5
- Last checked
- Oct 2026
E-System'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
Hosting & Cloud
Go-to-market
1 tool, how they find and keep customers
Website & CMS
Company Ops
5 tools, what the team runs on day to day
Email Delivery
Workspace
Security & Compliance
Companies like E-System also use
Tools common among companies with a similar stack that we haven't found at E-System.
Companies with a stack like E-System's
Ranked by shared tools, with rare tools counting more.
MoonflowIT Services · 11–50 people4in common
Adabai Innovation GmbHOnline Media · 11–50 people2in common
Blueprint AppsStaffing and Recruiting · 11–50 people2in common
Encore HealthcareHealthcare · 11–50 people2in common
Alertas sísmicas - AlertándotePublic Safety · 11–50 people3in common
Knoodle AdvertisingMarketing and Advertising · 11–50 people3in common
Shikenso®Information Services · 11–50 people2in common
Integrate Space CorporationSoftware · 11–50 people4in common
More IT Services companies
Other IT Services companies we've checked.
E-System tech stack FAQ
What tools does E-System use?
As of October 2026, runsonwhat has found 7 tools at E-System (esystem.us) in public records. Edge & Hosting: Amazon Web Services. Go-to-market: Squarespace. Company Ops: Microsoft 365, SendGrid and Amazon SES. Last checked October 24, 2026.
What cloud does E-System run on?
E-System uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on esystem.us. Amazon Web Services is used by 146,017 companies runsonwhat tracks.
What email provider does E-System use?
E-System uses Microsoft 365 for email and office software, alongside Exclaimer, 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 715,964 companies runsonwhat tracks.
What is E-System's website built with?
E-System uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace and DNS records. Squarespace is used by 33,803 companies runsonwhat tracks.
Does E-System use SendGrid?
Yes. runsonwhat found SendGrid at E-System through email records that authorize SendGrid. SendGrid is a Email Delivery tool used by 194,718 companies runsonwhat tracks.
Which companies have a tech stack similar to E-System's?
The companies with the stacks most like E-System's are Moonflow, Adabai Innovation, Blueprint Apps and Encore Healthcare, according to runsonwhat (October 2026). Each shares 2 to 4 tools with E-System, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what E-System uses?
runsonwhat reads public records only. Of the 7 tools at E-System, 4 were found through email records, 1 through code on esystem.us, 1 through subdomains that point at the vendor and 1 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and esystem.us 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.