Critical Systems's tech stack
What does Critical Systems use?
Critical Systems (criticalsystemsllc.com) uses at least 9 tools we can see from public records, including LinkedIn for marketing, Anthropic for AI, Microsoft 365 for email and documents and Google Analytics for analytics. Last checked .
- Industry
- Construction
- Size
- 51–200 employees
- Based in
- Rockville, United States
- Founded
- 2008
- Company page
- Tools found
- 9
- Categories
- 8
- Layers
- 5 of 5
- Last checked
- Nov 2026
Critical Systems's stack, layer by layer
Of 9 tools, 4 came from website code, 3 from DNS verification records, 1 from email records and 1 from other records. 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
Application
3 tools, what the product is built with
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
3 tools, how they find and keep customers
Website & CMS
Marketing
Company Ops
1 tool, what the team runs on day to day
Workspace
Critical Systems tech stack FAQ
What tools does Critical Systems use?
As of November 2026, runsonwhat has found 9 tools at Critical Systems (criticalsystemsllc.com) in public records. Edge & Hosting: GoDaddy. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics. Go-to-market: WordPress and LinkedIn. Company Ops: Microsoft 365. Last checked November 4, 2026.
What email provider does Critical Systems use?
Critical Systems uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 730,470 companies runsonwhat tracks.
What analytics tools does Critical Systems use?
Critical Systems uses Google Analytics for analytics, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on criticalsystemsllc.com. Google Analytics is used by 903,752 companies runsonwhat tracks.
What is Critical Systems's website built with?
Critical Systems uses WordPress for its website, according to runsonwhat (November 2026). runsonwhat found WordPress through WordPress code on criticalsystemsllc.com. WordPress is used by 606,661 companies runsonwhat tracks.
What marketing software does Critical Systems use?
Critical Systems uses LinkedIn for marketing, according to runsonwhat (November 2026). runsonwhat found LinkedIn through a DNS verification record for LinkedIn. LinkedIn is used by 15,441 companies runsonwhat tracks.
Does Critical Systems use jQuery?
Yes. runsonwhat found jQuery at Critical Systems through jQuery code on criticalsystemsllc.com. jQuery is a Frontend tool used by 927,152 companies runsonwhat tracks.
Does Critical Systems use AI tools?
Yes. runsonwhat has found Anthropic at Critical Systems; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Critical Systems may use more AI tools than these.
How does runsonwhat know what Critical Systems uses?
runsonwhat reads public records only. Of the 9 tools at Critical Systems, 4 were found through code on criticalsystemsllc.com, 3 through DNS records, 1 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 criticalsystemsllc.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.