# What does CPJA 2020 use?

CPJA 2020 (cpja.com) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-20).

- Industry: Civil Engineering
- Size: 51–200 employees
- Based in: Silver Spring, United States
- Founded: 1971
- LinkedIn: https://www.linkedin.com/company/charles-p-johnson-

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |
| [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Custom domain, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [AppRiver](https://www.runsonwhat.com/reverse/appriver) | Security & Compliance | Email records |  |

## Recent changes at CPJA 2020

- 2026-10-20: stopped using [Apple Business](https://www.runsonwhat.com/reverse/apple)
- 2026-10-20: stopped using [Constant Contact](https://www.runsonwhat.com/reverse/constantcontact)
- 2026-10-20: stopped using [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365)

## FAQ

### What tools does CPJA 2020 use?

As of October 2026, runsonwhat has found 9 tools at CPJA 2020 (cpja.com) in public records. Edge & Hosting: Google Cloud and Fastly. Application: React. Data & Observability: Google Analytics and Sentry. Go-to-market: Wix. Company Ops: AppRiver. Last checked October 20, 2026.

### What cloud does CPJA 2020 run on?

CPJA 2020 uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through Google Cloud code on cpja.com. Google Cloud is used by 75,618 companies runsonwhat tracks.

### What analytics tools does CPJA 2020 use?

CPJA 2020 uses Google Analytics for analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cpja.com. Google Analytics is used by 874,597 companies runsonwhat tracks.

### What is CPJA 2020's website built with?

CPJA 2020 uses Wix for its website, according to runsonwhat (October 2026). runsonwhat found Wix through a subdomain that points at Wix and code on cpja.com. Wix is used by 51,288 companies runsonwhat tracks.

### What monitoring tools does CPJA 2020 use?

CPJA 2020 uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on cpja.com. Sentry is used by 78,209 companies runsonwhat tracks.

### Does CPJA 2020 use React?

Yes. runsonwhat found React at CPJA 2020 through React code on cpja.com. React is a Frontend tool used by 124,111 companies runsonwhat tracks.

### Has CPJA 2020 changed tools recently?

Yes. On runsonwhat's rechecks, CPJA 2020 stopped using Apple Business, Constant Contact and Microsoft 365 (latest on October 20, 2026). A change counts only between two checks of cpja.com done the same way.

### How does runsonwhat know what CPJA 2020 uses?

runsonwhat reads public records only. Of the 9 tools at CPJA 2020, 6 were found through code on cpja.com, 1 through website configuration files, 1 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cpja.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/cpja.com (updated October 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.