CTG's tech stack
What does CTG use?
CTG (ctg.com) uses at least 40 tools we can see from public records, including HPE GreenLake for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .
- Industry
- IT Services
- Size
- 1,001–5,000 employees
- Based in
- Buffalo, United States
- Founded
- 1966
- Company page
- Tools found
- 40
- Categories
- 17
- Oldest proven tool
- Jul 2019
- Changes seen
- 4
CTG'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
7 tools, what the product is built with
Frontend
Auth & Identity
Media & UI
Data & Observability
6 tools, what they measure and store
Go-to-market
11 tools, how they find and keep customers
Company Ops
14 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
People & HR
What changed at CTG
Recent starts and stops
- StartedHPE GreenLake
- StartedDynamics 365 Customer Voice
- StartedActiveCampaign
- StartedSignature 365
CTG tech stack FAQ
What tools does CTG use?
As of October 2026, runsonwhat has found 40 tools at CTG (ctg.com) in public records. Edge & Hosting: Cloudflare and HPE GreenLake. Application: jQuery, Vimeo and YouTube. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, SendGrid and Atlassian. Last checked October 9, 2026.
What cloud does CTG run on?
CTG uses HPE GreenLake for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found HPE GreenLake through a DNS verification record for HPE GreenLake. HPE GreenLake is used by 1,185 companies runsonwhat tracks.
What CRM does CTG use?
CTG uses HubSpot for its CRM, alongside Zoho and ZoomInfo, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 90,473 companies runsonwhat tracks.
What email provider does CTG use?
CTG uses Microsoft 365 for email and office software, alongside Signature 365, 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 694,633 companies runsonwhat tracks.
What analytics tools does CTG use?
CTG uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ctg.com. Google Analytics is used by 833,502 companies runsonwhat tracks.
What is CTG's website built with?
CTG uses HubSpot CMS for its website, according to runsonwhat (October 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on ctg.com. HubSpot CMS is used by 32,349 companies runsonwhat tracks.
How long has CTG used iCIMS?
CTG has used iCIMS since at least July 2019, going by the first public certificate of the ctg.com subdomain that points at iCIMS. Other long-running tools at CTG include Auth0 (since December 2024).
Does CTG use jQuery?
Yes. runsonwhat found jQuery at CTG through jQuery code on ctg.com. jQuery is a Frontend tool used by 882,284 companies runsonwhat tracks.
Does CTG use AI tools?
Yes. runsonwhat has found Anthropic at CTG; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so CTG may use more AI tools than these.
Has CTG changed tools recently?
Yes. On runsonwhat's rechecks, CTG started using HPE GreenLake, Dynamics 365 Customer Voice and ActiveCampaign (latest on October 9, 2026). A change counts only between two checks of ctg.com done the same way.
Which companies have a tech stack similar to CTG's?
The companies with the stacks most like CTG's are Elektrobit, MISSION Group, Hazelden Betty Ford Foundation and TheZenith, according to runsonwhat (October 2026). Each shares 5 to 12 tools with CTG, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what CTG uses?
runsonwhat reads public records only. Of the 40 tools at CTG, 15 were found through code on ctg.com, 15 through DNS records, 5 through email records, 4 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ctg.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.