# Companies using Klocwork

923 companies use Klocwork, based on their job posts and their employees' public profiles. From October 2025 to August 2026, 144 job posts named it. It comes up most in Software Engineer job posts.

Data as of November 9, 2026. Source: Sumble.

## Which companies name Klocwork in the most job posts?

The companies with the most job posts naming Klocwork are Northrop Grumman (134), Schneider Electric (89) and Thales (80). Luxoft is the newest of the five companies in the table, with its first job post naming it in December 2023.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [Northrop Grumman](https://sumble.com/orgs/northrop-grumman) | 134 | 6 | "Experience with Coverity, SonarQube and/or KlocWork tools" (Staff Embedded Software Engineer, Nov 4, 2026) |
| [Schneider Electric](https://sumble.com/orgs/schneider-electric) | 89 | 22 | "Using security testing tools, including: Coverity, Klocwork, or BDBA;" (Cyber Security Systems Lead, May 13, 2026) |
| [Thales](https://sumble.com/orgs/thales) | 80 | 13 | "Connaissance en qualimétrie logicielle (klocwork, SQUORE, etc.) et d’intégration continue" (software project manager (f/m), Sep 4, 2026) |
| [Luxoft](https://sumble.com/orgs/luxoft) | 55 | 9 | "Klocwork: Understanding, if available, of static code analysis using Klocwork to detect software defects." (Senior Software Developer (2D/3D, C++), Jul 7, 2026) |
| [Qualcomm](https://sumble.com/orgs/qualcomm) | 54 | 19 | "Work with static and dynamic analysis tools (e.g., CodeQL, Klocwork, fuzzing frameworks) to identify vulnerabilities." (Lead Engineer-Senior-Python/C++, CI-CD/Devops, Buid,AI/ML application development, Sep 12, 2026) |

## Is hiring for Klocwork growing?

From March to May 2026, 0.07 in every 10,000 job posts named Klocwork; from June to August, 0.08 in every 10,000 job posts. One company accounts for most of that change.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 9 | 1,413,673 | 0.06 |
| Nov 2025 | 12 | 1,822,119 | 0.07 |
| Dec 2025 | 15 | 1,236,103 | 0.12 |
| Jan 2026 | 11 | 1,828,002 | 0.06 |
| Feb 2026 | 10 | 1,856,647 | 0.05 |
| Mar 2026 | 16 | 1,850,711 | 0.09 |
| Apr 2026 | 11 | 1,728,886 | 0.06 |
| May 2026 | 13 | 1,821,509 | 0.07 |
| Jun 2026 | 12 | 1,909,496 | 0.06 |
| Jul 2026 | 23 | 1,815,180 | 0.13 |
| Aug 2026 | 12 | 1,835,698 | 0.07 |

## How many companies named Klocwork in a job post for the first time in recent months?

Job posts named Klocwork for the first time at 12 companies from June to August 2026, against 6 from March to May. Over the 11 months from October 2025, 27 companies posted their first job naming it.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 6 |
| June to August 2026 | 12 |
| October 2025 to August 2026 | 27 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use Klocwork?

Of the 923 companies here, 711 are known from what employees list on their profiles. 212 name it in their own job posts.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name Klocwork | 212 | 23% |
| Employees' profiles list Klocwork | 711 | 77% |

## What size are the companies that use Klocwork?

Companies with more than 5,000 employees are the largest group of Klocwork users, at 35%, against 23% on the typical tech page. 108 of its companies have fewer than 50 employees.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 12% | 22% |
| 50 to 999 | 33% | 38% |
| 1,000 to 5,000 | 20% | 17% |
| Over 5,000 | 35% | 23% |

## Where are Klocwork companies based?

The United States has the most Klocwork companies (45%), but Germany stands out: 7.9% of them, against 4.4% on the typical tech page. Its companies are based in 46 countries and territories.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 397 | 45% | 43% |
| India | 80 | 9% | 6.9% |
| Germany | 70 | 7.9% | 4.4% |
| France | 69 | 7.8% | 4.6% |
| United Kingdom | 45 | 5.1% | 6.4% |
| Canada | 31 | 3.5% | 3.6% |

## Which roles mention Klocwork most?

Klocwork shows up across many roles. The top one, Software Engineer, has 19% of the job posts. The top four roles cover 53% of these job posts.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Software Engineer | 19% | 28 | 4 | 5 |
| Software Development Engineer in Test | 16% | 23 | 7 | 6 |
| Embedded Engineer | 9.7% | 14 | 1 | 11 |
| DevOps Engineer | 7.6% | 11 | 3 | 1 |
| Security Engineer | 5.6% | 8 | 2 | 4 |
| Firmware Engineer | 4.9% | 7 | 3 | 2 |

## Which companies started naming Klocwork in job posts recently?

13 companies with 50 or more employees picked up Klocwork in their job posts from April to August 2026. Among the new enterprise companies, Wabtec Corporation posted the most jobs naming it: 4.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| Commercial | [STM](https://sumble.com/orgs/stmdefence) | 2 |
| Commercial | [ANSR](https://sumble.com/orgs/ansr-consulting) | 1 |
| Commercial | [Apex](https://sumble.com/orgs/apexspacetech) | 1 |
| Commercial | [Mytra](https://sumble.com/orgs/mytra-ai) | 1 |
| Enterprise | [Wabtec Corporation](https://sumble.com/orgs/wabtec) | 4 |
| Enterprise | [Amazon](https://sumble.com/orgs/amazon) | 2 |
| Enterprise | [Booz Allen Hamilton](https://sumble.com/orgs/booz-allen-hamilton) | 2 |
| Enterprise | [Marvell Technology](https://sumble.com/orgs/marvell-technology) | 2 |
| Enterprise | [Siemens Healthineers](https://sumble.com/orgs/siemens-healthineers) | 1 |

Companies that named Klocwork in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do Klocwork companies use?

Klocwork companies are 255 times as likely as similar companies to use LDRA: 16% of them, against 0.06%. Among the tools listed here, Coverity is the most widely used, at 39% of Klocwork companies.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| LDRA | 14 | 16% | 0.06% | 255 times |
| Innovus | 13 | 14% | 0.08% | 187 times |
| Coverity | 35 | 39% | 0.22% | 180 times |
| VectorCast | 13 | 14% | 0.08% | 174 times |
| Polyspace | 11 | 12% | 0.07% | 163 times |
| SystemC | 11 | 12% | 0.11% | 114 times |
| VxWorks | 28 | 31% | 0.28% | 110 times |
| Squish | 13 | 14% | 0.15% | 99 times |

Shares are out of the 90 companies whose job posts name Klocwork, not counting firms whose job posts name almost every technology.

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.