# Companies using Fortran

3,241 companies have posted jobs that mention Fortran. Its share of job posts held steady in the three months to August 2026; 4,829 job posts named it from October 2025 to August 2026. Software Engineer is the role that names it most often.

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

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

Lockheed Martin and The Aerospace Corporation have the most job posts naming Fortran, with 628 and 540. Barcelona Supercomputing Center is the newest of the five companies in the table, with its first job post naming it in June 2023.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [Lockheed Martin](https://sumble.com/orgs/lockheed-martin) | 628 | 700 | "Demonstrated proficiency in programming languages and applications such as C/C++, FORTRAN, Python, and MATLAB/Simulink." (Guidance/Navigation/Control Engineering Sr - E3, Oct 28, 2026) |
| [The Aerospace Corporation](https://sumble.com/orgs/aerospace) | 540 | 184 | "Expert level programming skills in languages such as C, C++, Python, FORTRAN" (Tracking Architecture Performance Engineer/Sr. Tracking Architecture Performance Engineer, Nov 4, 2026) |
| [Northrop Grumman](https://sumble.com/orgs/northrop-grumman) | 462 | 548 | "Experience in FORTRAN, C++, Python or similar" (Principal Guidance Navigation Control Engineer, Nov 7, 2026) |
| [Barcelona Supercomputing Center](https://sumble.com/orgs/barcelona-supercomputing-center-bsc) | 408 | 81 | "General knowledge on computer science and programming languages such as Fortran, Python, C, and C++ will be considered an asset." (Researcher - Software development for Supercritical Fluids and Non-equilibrium thermochemistry (R2), Nov 4, 2026) |
| [Los Alamos National Laboratory](https://sumble.com/orgs/los-alamos-national-laboratory) | 392 | 529 | "Scientific programming and quantitative data-analysis experience using one or more languages such as Python, C++, Fortran, Julia, or MATLAB." (Postdoctoral Research Associate in Computational Acoustics and Materials Characterization, Nov 7, 2026) |

## Is hiring for Fortran growing?

Hiring for Fortran barely changed, at 2.5 in every 10,000 job posts from June to August 2026 against 2.5 from March to May.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 385 | 1,413,673 | 2.7 |
| Nov 2025 | 447 | 1,822,119 | 2.5 |
| Dec 2025 | 318 | 1,236,103 | 2.6 |
| Jan 2026 | 467 | 1,828,002 | 2.6 |
| Feb 2026 | 474 | 1,856,647 | 2.6 |
| Mar 2026 | 463 | 1,850,711 | 2.5 |
| Apr 2026 | 459 | 1,728,886 | 2.7 |
| May 2026 | 439 | 1,821,509 | 2.4 |
| Jun 2026 | 459 | 1,909,496 | 2.4 |
| Jul 2026 | 450 | 1,815,180 | 2.5 |
| Aug 2026 | 468 | 1,835,698 | 2.5 |

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

In the three months to August 2026, 96 companies posted about Fortran for the first time. From March to May, 89 did. From October 2025 to August 2026, 312 companies named it in a job post for the first time.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 89 |
| June to August 2026 | 96 |
| October 2025 to August 2026 | 312 |

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 Fortran?

Most of these companies come from employees' profiles: 92% have no job post naming Fortran. 3,241 name it in their own job posts.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name Fortran | 3,241 | 7.5% |
| Employees' profiles list Fortran | 39,935 | 92% |

## What size are the companies that use Fortran?

35% of Fortran users are companies with 50 to 999 employees, and companies with 1,000 to 5,000 employees make up 20%, a high share for a tech page. The second-largest group is companies with fewer than 50 employees, at 25%. These counts cover the 3,241 companies whose job posts name it.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 25% | 26% |
| 50 to 999 | 35% | 37% |
| 1,000 to 5,000 | 20% | 15% |
| Over 5,000 | 20% | 22% |

## Where are Fortran companies based?

The United States has the most Fortran companies (48%), but France stands out: 8.1% of them, against 5% on the typical tech page. India is less common than usual, at 2.8% against 7.5% on the typical tech page. These shares cover the 3,241 companies whose job posts name it.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 1,418 | 48% | 48% |
| France | 240 | 8.1% | 5% |
| Germany | 211 | 7.1% | 4.4% |
| United Kingdom | 193 | 6.5% | 6.3% |
| Canada | 95 | 3.2% | 3.8% |
| India | 83 | 2.8% | 7.5% |

## Which teams work with Fortran?

Fortran work is spread across teams. Engineering leads, at 37 companies.

| Team | Companies |
|---|---:|
| Engineering | 37 |
| R&D | 36 |
| HPC | 17 |
| IT | 17 |
| Research & development | 16 |
| Direction technique | 15 |

## Which roles mention Fortran most?

Software Engineer and Researcher roles account for 24% of the job posts that name Fortran. Software Engineer posts naming it numbered 173 from March to May 2026 and 196 from June to August.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Software Engineer | 15% | 707 | 173 | 196 |
| Researcher | 9.1% | 441 | 92 | 111 |
| Mechanical Engineer | 5.1% | 247 | 66 | 64 |
| Aerospace Engineer | 3.6% | 174 | 55 | 46 |
| Engineer | 3.1% | 148 | 34 | 41 |
| Systems Engineer | 2.5% | 121 | 34 | 40 |

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

From April to August 2026, 83 companies with 50 or more employees posted their first job naming Fortran: 46 commercial, 22 mid-market and 15 enterprise. Another 3 were AI-native companies, which we list separately.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| AI native | [PhysicsX](https://sumble.com/orgs/physicsx) | 1 |
| AI native | [Arena Physica](https://sumble.com/orgs/arena-ai-com) | 1 |
| AI native | [AQEMIA](https://sumble.com/orgs/aqemia) | 1 |
| Commercial | [Max Planck Institute for Marine Microbiology](https://sumble.com/orgs/max-planck-institute-for-marine-microbiology) | 6 |
| Commercial | [Yes Energy](https://sumble.com/orgs/yes-energy) | 4 |
| Commercial | [Bilvantis Technologies](https://sumble.com/orgs/agriitex) | 3 |
| Commercial | [IMDEA Energy](https://sumble.com/orgs/imdea-energy) | 3 |
| Commercial | [Buzzi Unicem USA](https://sumble.com/orgs/buzzi-unicem) | 2 |
| Mid-market | [Université Paul Sabatier Toulouse III](https://sumble.com/orgs/universite-toulouse-iii-paul-sabatier) | 3 |
| Mid-market | [Applied Materials India](https://sumble.com/orgs/applied-materials-india) | 3 |
| Mid-market | [RIVM National Institute for Public Health and the Environment](https://sumble.com/orgs/rivm) | 2 |
| Mid-market | [Civil Aviation Authority](https://sumble.com/orgs/civil-aviation-authority) | 2 |
| Mid-market | [AeroVironment](https://sumble.com/orgs/aerovironment) | 2 |
| Enterprise | [Cisco](https://sumble.com/orgs/cisco-systems) | 5 |
| Enterprise | [Queensland Government](https://sumble.com/orgs/queensland-government) | 2 |
| Enterprise | [AFRY](https://sumble.com/orgs/afry) | 2 |
| Enterprise | [Suncorp Group](https://sumble.com/orgs/suncorp-group) | 2 |
| Enterprise | [Environment Agency](https://sumble.com/orgs/gov-uk-environment-agency) | 2 |

Companies that named Fortran 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 Fortran companies use?

14% of Fortran companies also use OpenMP, against 0.38% of similar companies. MagicDraw comes second, 30 times as common as usual, at 5.8%.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| OpenMP | 311 | 14% | 0.38% | 35 times |
| MagicDraw | 134 | 5.8% | 0.19% | 30 times |
| Cameo | 212 | 9.2% | 0.32% | 29 times |
| FEMAP | 147 | 6.4% | 0.23% | 28 times |
| Lustre | 163 | 7.1% | 0.31% | 23 times |
| RS422 | 117 | 5.1% | 0.23% | 22 times |
| OpenFOAM | 289 | 13% | 0.6% | 21 times |
| VxWorks | 143 | 6.2% | 0.31% | 20 times |

Shares are out of the 2,295 companies whose job posts name Fortran, not counting firms whose job posts name almost every technology.

## Which project themes come up in Fortran job posts?

After broad digital transformation work, teams hiring for Fortran most often mention Data Infrastructure Migration, in 83 job posts. Broad digital transformation work shows up in 1,383 of its job posts.

| Project theme | Job posts |
|---|---:|
| Digital Transformation | 1,383 |
| Data Infrastructure Migration | 83 |
| Cloud Migration | 25 |
| Frontend Migration | 19 |

- "We are in a transition phase from legacy code in C# and Fortran" (WindSim AS, senior frontend developer, Aug 27, 2026)

## 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.