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Fleetora · first roles in DETesting inspection & contract research in United States_
As of 4 November 2026, 19,935 testing inspection & contract research companies are based in United States; 304 are hiring right now and Houston has the most.
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Companies
- 19,935
- Hiring now
- 304 · 121 new in 30 d
- Largest niche
- General inspection & certification bodies · 5,777
- Top city
- Houston · 330
- Parent market
- Business & finance services · 659,618
Testing inspection & contract research in United States, broken down
| companies | share | |
|---|---|---|
| General inspection & certification bodies | 5,777 | 29% |
| Other testing inspection & contract research | 4,960 | 25% |
| Certification readiness consultants | 2,757 | 14% |
| Testing laboratories | 2,001 | 10% |
| Forensic expert appraisal | 1,802 | 9% |
| Industrial ndt inspection | 1,320 | 7% |
| Property compliance testing | 1,213 | 6% |
| Marine & cargo surveying | 454 | 2% |
| Asbestos surveying | 344 | 2% |
| Healthcare consulting | 330 | 2% |
| Environmental consulting | 326 | 2% |
| Other engineering technical consulting | 312 | 2% |
| Vehicle damage appraisers | 299 | 1% |
| Management system certification | 281 | 1% |
| Health safety fire consulting | 264 | 1% |
| companies · hiring | |
|---|---|
| Self-employed | 9,732 · 2 |
| 2-10 employees | 6,478 · 42 |
| 11-50 employees | 2,952 · 94 |
| 51-200 employees | 572 · 94 |
| 201-500 employees | 132 · 46 |
| 501-1000 employees | 38 · 18 |
| 1001-5000 employees | 21 · 6 |
| 5001-10000 employees | 6 · 2 |
| 10,001+ employees | 4 · 0 |
| companies | share | |
|---|---|---|
| Houston | 330 | 2% |
| New York | 194 | 1% |
| Miami | 181 | 1% |
| Austin | 157 | 1% |
| Chicago | 132 | 1% |
| San Diego | 124 | 1% |
| Atlanta | 118 | 1% |
| Tampa | 112 | 1% |
| Dallas | 105 | 1% |
| San Francisco | 105 | 1% |
| Denver | 101 | 1% |
| Las Vegas | 101 | 1% |
The biggest testing inspection & contract research companies in United States
The largest companies of the segment, by headcount; job boards and portals left out.
Filter by niche, size, city or hiring, and open the decision makers with verified e-mails.
Free plan: 1,000 records, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
The stack of testing inspection & contract research in United States
From their websites and DNS records, page plumbing left out.
Other segments of business & finance services in United States
Business & finance services in United States, the whole market →
Law firms · 130,955 →
Digital marketing agencies · 128,221 →
Insurance brokerage agency · 72,603 →
Accounting & tax advisory · 61,313 →
Management business consulting · 56,189 →
Lending banking & currency exchange · 52,300 →
Wealth management investment · 51,876 →
Engineering technical consulting · 22,979 →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
19,935 testing inspection & contract research companies are based in United States; 304 are hiring right now and Houston has the most. (Breaknorm, 4 November 2026, https://breaknorm.co/market/business_finance_services/united-states/testing_inspection_and_contract_research)
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 →
- ClassificationEvery company is classified from its own website into vertical, sub-vertical and leaf with a confidence score; this page counts industry confidence ≥ 0.7 and country confidence ≥ 0.8.
- Company listRich profiles with a LinkedIn-known headcount only; job boards, directories, portals and non-organisations are left out.
- HiringOpen roles read hourly from the company's own career system.
Testing inspection & contract research in United States: questions
How many testing inspection & contract research companies are there in United States?
19,935 with a confident classification, read from their own websites.
What is a sub-vertical?
The middle level of our industry tree: Business & finance services → Testing inspection & contract research → leaf niches such as general inspection & certification bodies, other testing inspection & contract research, certification readiness consultants. Each company carries all three with a confidence score.
Can I get the list?
Yes: the first 20 largest are on this page; the full list with verified e-mails is in the product. Counting is free.
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Every testing inspection & contract research company in United States,
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