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Core Laboratories

Hiring · 86 open jobs
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General information

Core Laboratories provides reservoir analysis for the oil and gas industry. It offers patented reservoir description and production enhancement services and products. The company is based in Houston, Texas, and works in more than 50 countries across 6 continents.

Core Laboratories was founded in 1936 in Houston. It is a public company traded on the NYSE under the ticker CLB. The company had 4,700 employees in 2018. That matters: being public and working in 50 or more countries means Core Laboratories is not tied to any one region's oil and gas cycle. Core Laboratories is an H-1B sponsor.1

Website
corelab.com
Headquarters
Houston, United States
Industry
Energy & Materials
Category
Oil & Gas
Employees
1,477
Visa sponsor
Yes

Hiring activity

85Open jobs
+62Added in 30 days
−42Closed in 30 days
25 daysHow long jobs stay open

New jobs added per week2

View these weekly figures as a table
Week beginningNew listings
September 7, 20268
September 14, 202611
September 21, 20261
September 28, 202614
October 5, 202613
October 12, 202615
October 19, 202614
October 26, 2026 (in progress)7

Open jobs

86 open · updated today

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Page 3 of 5, most recently added first · Download (CSV)3

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Visa sponsorship

Does Core Laboratories sponsor visas? Using USCIS data, we've collected the number of H-1Bs granted from 2021 to 2023 as well as the number of petitions they've requested so far this year. Core Laboratories is a likely employer for applicants who require sponsorship. Currently, they have 2 jobs certified for sponsorship in 2026, at a median pay of $105,350.4

Visa petitions approved each year (USCIS)4

H1B petitions approved, by fiscal year (USCIS)
Fiscal yearApproved
FY20212
FY20221
FY20230

Based on public USCIS and Department of Labor records. Past filings do not guarantee future sponsorship. Browse all H1B sponsors →

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Common questions

Is Core Laboratories hiring now?

Yes. There are 85 open jobs, with 62 added in the last 30 days. They close fast though, often within 25 days, so don't wait.

Does Core Laboratories sponsor H-1B visas?

Yes. Government records show 2 jobs certified for FY2026, at a median pay of $105,350.

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Notes & sources

438 daily listing observations, Jun 14 to Oct 28 windowRechecked daily, last October 28, 2026
  1. 1. Company description. Written by InterviewOS from Core Laboratories's public materials and press coverage; facts are checked against the sources below.
  2. 2. Weekly counts. A count is the number of listings the pipeline saw for the first time in that week. Weeks begin Monday; the onboarding week is excluded from the scale and every average.
  3. 3. Live counts. Deduplicated live listings observed daily on Core Laboratories's own hiring system; last check October 28, 2026. Stale and syndicated posts on aggregator sites are not counted.
  4. 4. Federal visa records. USCIS H1B Employer Data Hub and US Department of Labor LCA disclosure files, matched to this company by name.

Sources
corelab.com
USCIS H-1B Employer Data Hub
US Department of Labor LCA disclosure files
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