runsonwhat

CSI's tech stack

What does CSI use?

CSI (csiinc.com) uses at least 18 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Calendly for sales and Scroll Viewport for customer support. Last checked .

Industry
IT Services
Size
11–50 employees
Based in
Pittsburgh, United States
Founded
1991
LinkedIn
Company page
Re-check liveVisit csiinc.com
Tools found
18
Categories
12
Layers
4 of 5
Last checked
Oct 2026

CSI'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

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

4 tools, what the product is built with

Frontend

Media & UI

Go-to-market

5 tools, how they find and keep customers

Website & CMS

Marketing

Sales & CRM

Support & Docs

Company Ops

6 tools, what the team runs on day to day

Email Delivery

Workspace

Dev Tools

Security & Compliance

Companies like CSI also use

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

Companies with a stack like CSI's

Ranked by shared tools, with rare tools counting more.

More IT Services companies

Other IT Services companies we've checked.

CSI tech stack FAQ

What tools does CSI use?

As of October 2026, runsonwhat has found 18 tools at CSI (csiinc.com) in public records. Edge & Hosting: Cloudflare, WP Engine and Microsoft Azure. Application: jQuery, Google Fonts and Font Awesome. Go-to-market: WordPress, Yoast SEO and Calendly. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 25, 2026.

What cloud does CSI run on?

CSI uses WP Engine for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on csiinc.com. WP Engine is used by 51,332 companies runsonwhat tracks.

What sales tools does CSI use?

The sales tools runsonwhat has found at CSI are Calendly (October 2026); no CRM shows up in CSI's public records. runsonwhat found Calendly through Calendly code on csiinc.com. Calendly is used by 28,139 companies runsonwhat tracks.

What email provider does CSI use?

CSI uses Microsoft 365 for email and office software, 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 712,530 companies runsonwhat tracks.

What does CSI use for customer support?

CSI uses Scroll Viewport for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Scroll Viewport through a subdomain that points at Scroll Viewport. Scroll Viewport is used by 247 companies runsonwhat tracks.

What is CSI's website built with?

CSI uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on csiinc.com. WordPress is used by 598,841 companies runsonwhat tracks.

Does CSI use jQuery?

Yes. runsonwhat found jQuery at CSI through jQuery code on csiinc.com. jQuery is a Frontend tool used by 918,054 companies runsonwhat tracks.

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

The companies with the stacks most like CSI's are Spendgo, automatics.AI, Appmiral Event Apps and ESQ Data Solutions, according to runsonwhat (October 2026). Each shares 4 to 6 tools with CSI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what CSI uses?

runsonwhat reads public records only. Of the 18 tools at CSI, 10 were found through code on csiinc.com, 4 through DNS records, 3 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and csiinc.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.