runsonwhat

PESI, Inc's tech stack

What does PESI, Inc use?

PESI, Inc (pesi.com) uses at least 38 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .

“As a non-profit organization, our mission is to educate and instruct the general public, public organizations, private industry, students and professionals to assist them in acquiring, developing and enhancing their knowledge and skills, and to assist other charitable and educational organizations i”

Industry
Education Management
Size
51–200 employees
Based in
Eau Claire, United States
Founded
1979
LinkedIn
Company page
Re-check liveVisit pesi.com
Tools found
38
Categories
19
Oldest proven tool
Mar 2020
Last checked
Oct 2026

PESI, Inc'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

4 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

5 tools, what the product is built with

Frontend

AI

Payments & Billing

Media & UI

Data & Observability

7 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

12 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

10 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Security & Compliance

What changed at PESI, Inc

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. HubSpot
  2. HubSpot CMS
  3. Microsoft Azure
  4. Short.io
  5. UptimeRobot
  6. Stape

Companies like PESI, Inc also use

Tools common among companies with a similar stack that we haven't found at PESI, Inc.

Companies with a stack like PESI, Inc's

Ranked by shared tools, with rare tools counting more.

More Education Management companies

Other Education Management companies we've checked.

PESI, Inc tech stack FAQ

What tools does PESI use?

As of October 2026, runsonwhat has found 38 tools at PESI (pesi.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Microsoft Azure. Application: jQuery, Google Fonts and Adobe Fonts. Data & Observability: Google Analytics, Google Tag Manager and Azure Monitor. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 19, 2026.

What cloud does PESI run on?

PESI uses Amazon Web Services for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on pesi.com. Amazon Web Services is used by 145,487 companies runsonwhat tracks.

What CRM does PESI use?

PESI uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and code on pesi.com, and PESI has used it since at least March 2020. HubSpot is used by 93,667 companies runsonwhat tracks.

What email provider does PESI use?

PESI uses Microsoft 365 for email and office software, alongside Apple Business and Proton Mail, 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 709,037 companies runsonwhat tracks.

What does PESI use for customer support?

PESI uses Zendesk for customer support and documentation, alongside Freshdesk, according to runsonwhat (October 2026). runsonwhat found Zendesk through Zendesk code on pesi.com. Zendesk is used by 41,616 companies runsonwhat tracks.

What payment provider does PESI use?

PESI uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on pesi.com. Stripe is used by 27,764 companies runsonwhat tracks.

How long has PESI used HubSpot?

PESI has used HubSpot since at least March 2020, going by the first public certificate of the pesi.com subdomain that points at HubSpot. Other long-running tools at PESI include HubSpot CMS (since March 2020), Microsoft Azure (since October 2021) and Short.io (since January 2023).

Does PESI use jQuery?

Yes. runsonwhat found jQuery at PESI through jQuery code on pesi.com. jQuery is a Frontend tool used by 913,131 companies runsonwhat tracks.

Does PESI use AI tools?

Yes. runsonwhat has found Anthropic at PESI; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so PESI may use more AI tools than these.

Which companies have a tech stack similar to PESI's?

The companies with the stacks most like PESI's are Associated General Contractors Of America, PC Connection, Pressed Juicery® and Garriga de Menezes, according to runsonwhat (October 2026). Each shares 9 to 15 tools with PESI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what PESI uses?

runsonwhat reads public records only. Of the 38 tools at PESI, 17 were found through code on pesi.com, 10 through DNS records, 6 through subdomains that point at the vendor and 5 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and pesi.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.