# What does CTG use?

CTG (ctg.com) shows public evidence of 40 tools, according to runsonwhat (last checked 2026-11-10).

- Industry: IT Services
- Size: 1,001–5,000 employees
- Based in: Buffalo, United States
- Founded: 1966
- LinkedIn: https://www.linkedin.com/company/ctginc

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code |  |
| [HPE GreenLake](https://www.runsonwhat.com/reverse/hpe-greenlake) | Hosting & Cloud | DNS verification records |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code |  |
| [Vimeo](https://www.runsonwhat.com/reverse/vimeo) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |
| [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records |  |
| [Lottie](https://www.runsonwhat.com/reverse/lottie) | Media & UI | Website code |  |
| [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config | 2024-12 |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code |  |
| [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code |  |
| [Mouseflow](https://www.runsonwhat.com/reverse/mouseflow) | Analytics | Website code |  |
| [Dynamics 365 Customer Voice](https://www.runsonwhat.com/reverse/dynamics-365-customer-voice) | Analytics | DNS verification records |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code |  |
| [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | Email records, Website code |  |
| [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code |  |
| [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign) | Marketing | Email records |  |
| [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code |  |
| [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records |  |
| [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records |  |
| [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records |  |
| [Figma](https://www.runsonwhat.com/reverse/figma) | Collaboration | DNS verification records |  |
| [Signature 365](https://www.runsonwhat.com/reverse/signature-365) | Workspace | Email records |  |
| [iCIMS](https://www.runsonwhat.com/reverse/icims) | People & HR | Custom domain | 2019-07 |

## Recent changes at CTG

- 2026-10-09: started using [ActiveCampaign](https://www.runsonwhat.com/reverse/activecampaign)
- 2026-10-09: started using [Dynamics 365 Customer Voice](https://www.runsonwhat.com/reverse/dynamics-365-customer-voice)
- 2026-10-09: started using [HPE GreenLake](https://www.runsonwhat.com/reverse/hpe-greenlake)
- 2026-10-09: started using [Signature 365](https://www.runsonwhat.com/reverse/signature-365)

## FAQ

### What tools does CTG use?

As of November 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 LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Cookiebot. Last checked November 10, 2026.

### What cloud does CTG run on?

CTG uses HPE GreenLake for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found HPE GreenLake through a DNS verification record for HPE GreenLake. HPE GreenLake is used by 1,320 companies runsonwhat tracks.

### What CRM does CTG use?

CTG uses HubSpot for its CRM, alongside Zoho and ZoomInfo, according to runsonwhat (November 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 97,946 companies runsonwhat tracks.

### What email provider does CTG use?

CTG uses Microsoft 365 for email and office software, alongside Signature 365, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 736,680 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 (November 2026). runsonwhat found Google Analytics through Google Analytics code on ctg.com. Google Analytics is used by 904,091 companies runsonwhat tracks.

### What is CTG's website built with?

CTG uses HubSpot CMS for its website, according to runsonwhat (November 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS and code on ctg.com. HubSpot CMS is used by 34,700 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 927,276 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 ActiveCampaign, Dynamics 365 Customer Voice and HPE GreenLake (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 SITA, Ring Power, MSA Safety and Rotech Healthcare, according to runsonwhat (November 2026). Each shares 11 to 16 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, 16 were found through DNS records, 15 through code on ctg.com, 4 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.


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Source: runsonwhat, https://www.runsonwhat.com/company/ctg.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.
