Apache Parquet VS CSV
As of 30 October 2026, CSV is named by 569 companies and Apache Parquet by 506; Apache Parquet skews to companies under 200 people (42% vs 44%), CSV to companies over 1,000 (32% vs 32%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Apache Parquet's script and mail records show on hundreds of thousands of small sites, CSV rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache Parquet: 2–200 employees
- 42%
- CSV: 2–200 employees
- 44%
- Apache Parquet: 1,000+ employees
- 32%
- CSV: 1,000+ employees
- 32%
- Postings per company, 90 days
- 2.0 · 1.7
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Apache Parquet | share | CSV | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 7 | 1% | 9 | 2% | even |
| 2-10 employees | 37 | 7% | 41 | 7% | even |
| 11-50 employees | 60 | 12% | 76 | 13% | even |
| 51-200 employees | 117 | 23% | 134 | 24% | even |
| 201-500 employees | 65 | 13% | 68 | 12% | even |
| 501-1000 employees | 58 | 11% | 58 | 10% | even |
| 1001-5000 employees | 68 | 13% | 79 | 14% | even |
| 5001-10000 employees | 26 | 5% | 35 | 6% | even |
| 10,001+ employees | 68 | 13% | 69 | 12% | even |
| Segment | Apache Parquet | share | CSV | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 261 | 52% | 259 | 46% | Apache Parquet |
| Business & finance services | 112 | 22% | 111 | 20% | Apache Parquet |
| Manufacturing & industry | 46 | 9% | 61 | 11% | even |
| Public, community & associations | 25 | 5% | 12 | 2% | Apache Parquet |
| Media & content | 12 | 2% | 11 | 2% | even |
| Utilities & infrastructure | 9 | 2% | 15 | 3% | even |
| Commerce & trade | 8 | 2% | 25 | 4% | CSV |
| Automotive | 7 | 1% | 10 | 2% | even |
| Consumer services & leisure | 7 | 1% | 12 | 2% | even |
| Transport, logistics & rental | 5 | 1% | 19 | 3% | CSV |
| Health care | 4 | 1% | 16 | 3% | CSV |
| Property & construction | 4 | 1% | 13 | 2% | even |
| Segment | Apache Parquet | share | CSV | share | Leans |
|---|---|---|---|---|---|
| United States | 341 | 67% | 354 | 62% | Apache Parquet |
| United Kingdom | 31 | 6% | 34 | 6% | even |
| Germany | 22 | 4% | 48 | 8% | CSV |
| France | 15 | 3% | 24 | 4% | even |
| India | 14 | 3% | 7 | 1% | even |
| Canada | 13 | 3% | 23 | 4% | even |
| Australia | 5 | 1% | 8 | 1% | even |
| Netherlands | 5 | 1% | – | – | outside top 12 |
| Poland | 5 | 1% | 6 | 1% | even |
| Brazil | 4 | 1% | 9 | 2% | even |
| Switzerland | 4 | 1% | – | – | outside top 12 |
| Italy | 4 | 1% | 5 | 1% | even |
| Spain | – | – | 11 | 2% | outside top 12 |
| Austria | – | – | 4 | 1% | outside top 12 |
| Segment | Apache Parquet | share | CSV | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 869 | 64% | 334 | 26% | Apache Parquet |
| Software engineering | 293 | 22% | 371 | 29% | CSV |
| IT operations & business systems | 22 | 2% | 131 | 10% | CSV |
| Engineering (non-software) | 16 | 1% | 41 | 3% | even |
| Product, program & project management | 8 | 1% | 40 | 3% | CSV |
| General management & consulting | 7 | 1% | 6 | 0% | even |
| Sales | 7 | 1% | 16 | 1% | even |
| Finance & accounting | 6 | 0% | 12 | 1% | even |
| Customer service & success | 4 | 0% | 25 | 2% | even |
| Legal, compliance & risk | 3 | 0% | – | – | outside top 12 |
| Skilled trades and field service | 3 | 0% | – | – | outside top 12 |
| Administration & office | 1 | 0% | 8 | 1% | even |
| Marketing & communications | – | – | 12 | 1% | outside top 12 |
| Quality, safety & environment | – | – | 12 | 1% | outside top 12 |
The companies behind each column
Companies using Apache Parquet →
Companies using CSV →
api specs data formats ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
CSV is named by 569 companies in job postings and Apache Parquet by 506; 126 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-parquet-vs-csv)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Apache Parquet vs CSV: questions
Which is more used, Apache Parquet or CSV?
By companies naming it in their own job postings, CSV (569) over Apache Parquet (506). By website-and-DNS footprint, CSV (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache Parquet?
42% of Apache Parquet companies have 2 to 200 employees, against 44% for CSV. 32% of Apache Parquet companies have over 1,000 employees, against 32% for CSV.
Do companies run both?
126 companies name both in their postings, usually Apache Parquet in marketing and CSV in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
Get either list your way
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Every company on either tool,
with the person who owns it
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