SLB (formerly Schlumberger)
SLB (formerly Schlumberger) is the world's largest oilfield services company, now headquartered in Houston after a historic move from Paris.
NYSE: CLB
Profile compiled and reviewed by the Houston Oil Companies Data Team from public filings and company sources.
Oilfield Services · Reservoir Analysis & Technology
Core Laboratories
Core Laboratories is the world's leading reservoir description and production enhancement company, headquartered in Houston.
Core Laboratories N.V. is the world's leading provider of proprietary and patented reservoir description and production enhancement services and products for the oil and gas industry. Headquartered in Houston, the company helps clients evaluate and optimize their reservoirs through advanced rock and fluid analysis, perforating technologies, and production diagnostics. Core Lab serves clients in over 50 countries.
Headquarters
Houston, TX
Founded
1936
Employees
4,000+
Revenue
$520 million (2023)
CEO
Larry Bruno
Website
corelab.comCore Laboratories was founded in 1936 in Dallas, Texas, as a core analysis company. Over the decades, it expanded into fluid analysis, perforating systems, and production enhancement technologies. The company moved its operational headquarters to Houston and has become the gold standard for reservoir characterization in the global oil and gas industry.
Core Lab operates through two segments: Reservoir Description (geological studies, petrophysics, fluid analysis, and advanced rock properties) and Production Enhancement (perforating systems, completion diagnostics, and well monitoring). The company operates laboratories and service facilities in over 50 countries worldwide.
Houston, TX
Archrock Inc.
Compression Services · Houston, TX
Baker Hughes
Energy Technology · Houston, TX
Basic Energy Services
Well Servicing · Fort Worth, TX (Houston operations)
Bristow Group
Helicopter Transport · Houston, TX
Cactus Inc.
Wellheads & Pressure Control · Houston, TX
Cactus Inc.
Wellheads & Pressure Control · Houston, TX
SLB (formerly Schlumberger) is the world's largest oilfield services company, now headquartered in Houston after a historic move from Paris.
Halliburton is one of the world's largest oilfield services companies, providing drilling, completion, and production solutions from its Houston headquarters.
Baker Hughes is a Houston-based energy technology company providing oilfield services, equipment, and digital solutions worldwide.
ChampionX provides production and reservoir chemistry, artificial lift, and digital solutions to oil and gas companies worldwide, headquartered in the Houston metro.
We value your privacy
We use cookies to enhance your browsing experience, serve personalized ads, and analyze site traffic. By clicking "Accept All", you consent to our use of cookies.