| # | Company | Employees |
|---|---|---|
| 1 |
Oracleoracle.com
It provides cloud infrastructure and software, enabling organizations to innovate, improve efficiency, and secure data with an autonomous database. |
208,132 |
| 2 | 193,793 | |
| 3 |
Dell Technologiesdell.com
Provide essential technology infrastructure enabling organizations to transform and advance their digital futures through innovative solutions and support. |
133,530 |
| 4 |
Hewlett Packard Enterprisehpe.com
This company is a global edge-to-cloud company that drives technology and innovation to fulfill its passion and purpose |
90,021 |
| 5 | 79,707 | |
| 6 | 75,008 | |
| 7 |
Jacobsjacobs.com
Delivering outcomes and solutions for complex challenges in advanced manufacturing, cities, energy, environment, life sciences, transportation, and water, from advisory to lifecycle management. |
68,461 |
| 8 |
Baker Hughesbakerhughes.com
Energy technology company providing innovative solutions globally, focusing on safety, efficiency, and sustainability in the energy and industrial sectors |
67,440 |
| 9 |
Caterpillar Inc.caterpillar.com
A global leader in manufacturing construction and mining equipment, engines, turbines, and locomotives, focused on sustainability and providing value to customers worldwide |
62,810 |
| 10 |
Halliburtonhalliburton.com
Collaborates to engineer solutions maximizing energy asset value, from locating hydrocarbons, managing data, drilling, evaluating, and constructing wells, to optimizing production. |
60,277 |
| 11 |
American Airlinesaa.com
Operate a global airline with over 1,300 aircraft, connecting customers worldwide while providing career growth and leadership opportunities. |
60,018 |
| 12 | 57,963 | |
| 13 | 55,736 | |
| 14 |
Chevronchevron.com
The company values its people and their innovation in tackling energy challenges, fostering open and respectful communication on LinkedIn |
55,495 |
| 15 |
Tenet Healthcaretenethealth.com
Operates ambulatory surgery centers, acute and specialty hospitals, physician networks, and provides revenue cycle management and value-based care services. |
44,016 |
| 16 |
Brinker Internationalbrinkerjobs.com
Leading casual dining restaurant company owning, operating, or franchising over 1,600 restaurants globally, including Chili's Grill & Bar and Maggiano's Little Italy. |
39,975 |
| 17 | 37,645 | |
| 18 |
Fluor Corporationfluor.com
Global EPC company providing engineering solutions to energy, infrastructure, life sciences, technology, mining, and government sectors with emphasis on innovation and sustainability |
36,512 |
| 19 |
Kimberly-Clarkkimberly-clark.com
Manufacture and distribute trusted personal care and hygiene products globally, focusing on innovation, sustainability, and improving daily life. |
35,192 |
| 20 |
Texas Instrumentsti.com
Design, manufacture, and sell analog and embedded processing chips for industrial, automotive, personal electronics, enterprise, and communications markets. |
33,476 |
| 21 |
Charles Schwababoutschwab.com
An investment services firm disrupting traditional Wall Street, offering brokerage, banking, and financial advisory services to improve the investing experience for clients |
32,647 |
| 22 | 31,974 | |
| 23 | 31,433 | |
| 24 |
McKessonmckesson.com
A global healthcare organization dedicated to advancing health outcomes, providing insights, products, and services to make quality care accessible and affordable |
24,993 |
| 25 |
CBRE Global Workplace Solutions (GWS)cbre.com
Partner with clients worldwide to deliver tailored workplace solutions addressing unique organizational needs and driving strategic business outcomes. |
20,430 |
| 26 |
Infosys Ltdinfosys.com
Global leader in next-generation digital services and consulting, enabling clients worldwide to navigate digital transformation with AI-powered solutions and agile digital delivery for performance and customer satisfaction |
17,979 |
| 27 |
GameStopgamestop.com
The company offers games, entertainment products, and technology through its online platforms and physical stores, providing career opportunities |
17,164 |
| 28 |
ConocoPhillipsconocophillips.com
A global oil and gas company focusing on safely finding and delivering energy worldwide while fostering a great workplace and community |
16,478 |
| 29 | 16,319 | |
| 30 |
LyondellBaselllyondellbasell.com
Leading global chemical company producing innovative polymers and polyolefins for sustainable transportation, food safety, clean water, and healthcare applications. |
15,172 |
| 31 |
Flowserve Corporationflowserve.com
Global manufacturer of pumps, valves, and seals with a rich heritage, providing innovative solutions for industries worldwide through experience, leadership, and creativity |
14,750 |
| 32 |
Academy Sports + Outdoorsacademy.com
A retailer offering a wide range of sporting and outdoor gear, apparel, and leisure products with a focus on fun and adventure |
14,669 |
| 33 |
Phillips 66phillips66.com
A global energy company focused on manufacturing petroleum products, natural gas processing, and petrochemical production, prioritizing safety, honor, and commitment |
14,000 |
| 34 |
Oceaneeringoceaneering.com
Global technology company providing engineered services, products, and robotic solutions to offshore energy, defense, aerospace, and manufacturing industries worldwide |
13,838 |
| 35 |
Cinemarkcinemark.com
A leading theatrical exhibition company based in Plano, TX, offering premium entertainment experiences with over 500 theaters and 5,700 screens across the US and Latin America |
12,979 |
| 36 |
Sally Beautysallybeauty.com
World's largest distributor of professional beauty supplies, offering products to both professional and non-professional customers through online and physical stores globally |
12,218 |
| 37 |
Builders FirstSourcebldr.com
largest supplier of structural building products and value-added components for new residential construction and remodeling professionals |
12,016 |
| 38 |
Valerovalero.com
Manufacturing, marketing transportation fuels, petrochemical products. Operating petroleum refineries, ethanol plants, and renewable diesel facilities for wholesale markets. |
11,096 |
| 39 |
Exela Technologiesexelatech.com
Global provider of business process automation and digital transformation solutions, enhancing productivity and quality across multiple industries and sectors. |
9,711 |
| 40 | 9,653 | |
| 41 |
Six Flagssixflags.com
Large scale amusement park operations across North America following a merger to manage diverse entertainment venues and regional theme park destinations. |
9,357 |
| 42 |
Kinder Morgan, Inc.kindermorgan.com
Transports and stores natural gas, refined petroleum products, crude oil, CO2, and renewable fuels through extensive pipelines and terminals across North America. |
9,312 |
| 43 | 9,025 | |
| 44 | 8,906 | |
| 45 |
Concentraconcentra.com
Occupational health leader providing medical, therapy, and telemedicine services nationwide, prioritizing patient care, customer experience, and workforce well-being |
8,246 |
| 46 |
Nabors Industriesnabors.com
Provider of advanced drilling rigs, automation, and engineering solutions for safe, efficient, and responsible energy production worldwide. |
7,492 |
| 47 |
Celanesecelanese.com
Global leader in chemistry, producing specialty material solutions for various industries through sustainable practices, innovation, and community involvement |
7,348 |
| 48 |
CenterPoint Energycenterpointenergy.com
An investor-owned energy delivery company with operations in electric transmission, power generation, and natural gas distribution serving over 7 million customers |
7,080 |
| 49 |
Rackspace Technologyrackspace.com
Specializing in multicloud solutions, we assist global companies in overcoming challenges by providing custom cloud services for improved performance |
7,046 |
| 50 |
Huntsman Corporationhuntsman.com
A global chemical company focused on shaping a sustainable future through innovative products that enhance energy efficiency and reduce waste and emissions |
6,996 |
| 51 |
Enterprise Productsenterpriseproducts.com
Provider of midstream energy services in North America, offering growth opportunities, competitive compensation, and comprehensive employee benefits. |
6,939 |
| 52 |
AMN Healthcareamnhealthcare.com
A leader in total talent solutions for healthcare organizations, providing access to quality professionals and innovative recruitment strategies to optimize workforce efficiency and patient outcomes |
6,833 |
| 53 |
Noble Corporationnoblecorp.com
Leading offshore drilling contractor operating advanced fleet focused on ultra-deepwater and high-specification jackup drilling worldwide. |
6,572 |
| 54 |
XBP Globalxbpglobal.com
Multinational technology company delivering AI-driven intelligent automation platforms and services to optimize and transform enterprise workflows globally. |
6,515 |
| 55 |
Sunoco LPsunocolp.com
Extensive pipeline network and terminals supporting fuel distribution to thousands of branded locations, independent dealers, and commercial customers. |
6,493 |
| 56 |
HF Sinclairhfsinclair.com
Manufactures and sells light products, fuels, lubricants, and asphalt; operates refineries; markets motor fuel; produces renewable diesel and specialized lubricants. |
6,426 |
| 57 |
ATIatimaterials.com
A global leader in materials science, providing solutions for extreme challenges in aerospace, defense, medical, and industrial applications worldwide |
5,959 |
| 58 |
Seadrillseadrill.com
Deepwater drilling company providing modern fleet, experienced crews, advanced technologies to unlock oil and gas resources for various oil companies. |
5,896 |
| 59 |
Nateranatera.com
Global leader in cell-free DNA testing for oncology, women's health, and organ health Pioneering noninvasive testing to inform proactive treatment worldwide |
5,791 |
| 60 |
Devon Energydevonenergy.com
A leading US oil and gas producer with a diverse portfolio focused on strong returns, free cash flow, and safe operations Listed on NYSE |
5,676 |
| 61 | 5,457 | |
| 62 |
Primoris Services Corporationprim.com
provides engineering, construction, and maintenance services for utility, energy, renewables, power delivery, communications, and transportation infrastructure across North America |
5,425 |
| 63 |
Copartcopart.com
A global online auto auction company, connecting buyers and sellers worldwide through innovative technology, selling vehicles of all conditions |
5,368 |
| 64 |
Digital Realtydigitalrealty.com
Global provider of data center, colocation, and interconnection solutions, enabling secure connectivity between companies through a network of 300+ facilities worldwide |
5,263 |
| 65 |
Insperityinsperity.com
A provider of comprehensive HR solutions since 1986, enabling businesses to thrive with reduced liabilities, better benefits, and administrative relief |
5,053 |
| 66 |
Allsec Technologies Limitedallsectech.com
Global outsourcing provider with 20+ years experience offering HR, payroll, compliance, customer experience, technical support, accounts management, AML/KYC verification, and other services |
4,848 |
| 67 |
Fossil Group, Inc.fossilgroup.com
A company specializing in unique accessories, offering a diverse range of brands including watches, handbags, jewelry, and leather goods with a focus on design and innovation |
4,843 |
| 68 |
FMC Technologiestechnipfmc.com
A global leader in the oil and gas industry, specializing in advanced technology and services for subsea, onshore, offshore, and surface projects |
4,841 |
| 69 |
EOG Resourceseogresources.com
A leading crude oil and natural gas exploration and production company focused on innovation, sustainability, and attracting top industry talent |
4,587 |
| 70 |
U.S. Physical Therapy, Inc.usph.com
A publicly held company with hundreds of outpatient therapy clinics in 41 states, offering care for orthopedic and neurologic disorders through unique partnerships |
4,246 |
| 71 |
TEAM, Inc.teaminc.com
A leading industrial services provider offering specialized construction, maintenance, and monitoring services for pressurized piping systems across diverse industries worldwide |
4,235 |
| 72 | 4,121 | |
| 73 |
Ribbon Communicationsribboncommunications.com
Provides communications software, IP and optical networking solutions for service providers, enterprises, and critical infrastructure with modern, scalable, and secure technologies. |
4,092 |
| 74 |
Goosehead Insurancegoosehead.com
Independent insurance agency offering personalized policy options by comparing over 200 companies to find best rates and coverage. |
3,991 |
| 75 |
Integer Holdings Corporationinteger.net
Provides contract development and manufacturing for medical devices, focusing on cardiac rhythm, neuromodulation, and cardio/vascular markets. Supplies innovative, high-quality products to medical companies. |
3,810 |
| 76 |
Builders FirstSource/Probuildbldr.com
Leading supplier of lumber and building materials with nationwide operations in manufacturing, distribution, and assembly, offering a wide range of products and career opportunities |
3,794 |
| 77 |
Murphy Oil Corporationmurphyoilcorp.com
Global independent oil and natural gas exploration and production company with diverse offshore and onshore resources in Canada, Gulf of Mexico, and North America |
3,779 |
| 78 |
Farmer Brothersfarmerbros.com
National coffee roaster, wholesaler, and equipment servicer, delivering coffee, tea, and culinary products to various U.S. businesses through a large direct distribution network. |
3,765 |
| 79 |
SailPointsailpoint.com
Provides an identity security platform to manage and secure access to applications and data, defending against cyber threats and enhancing productivity for enterprises. |
3,699 |
| 80 |
Valaris Limitedvalaris.com
A forward-thinking company focused on safety, ethics, and innovation in the global energy industry, with a commitment to excellence and sustainability |
3,576 |
| 81 |
Group 1 Automotivegroup1auto.com
A Fortune 300 automotive retailer based in Houston and the UK, focused on growth through integrity, transparency, professionalism, and teamwork |
3,570 |
| 82 |
Omnicellomnicell.com
Transforming pharmacy care delivery with Advanced Services for central pharmacy, IV compounding, inventory optimization, and connecting settings of care with technology |
3,400 |
| 83 |
Rush Enterprises, Incrushenterprises.com
Largest commercial vehicle dealership network offering sales, parts, service, financing, leasing, rentals, fuel systems, telematics, and vehicle up-fitting. |
3,380 |
| 84 |
MRC Globalmrcglobal.com
Connecting top pipe, valve, and fitting manufacturers with leading energy and industrial companies to extend global supply chains efficiently. |
3,315 |
| 85 |
ChampionXchampionx.com
A company with over a century of experience providing innovative solutions and global supply chain capabilities for the oil and gas industry |
3,260 |
| 86 |
Dr Pepper Snapple Groupkeurigdrpepper.com
Leading coffee and beverage company in North America with diverse brands across soft drinks, coffee, tea, water, and juices, available everywhere. |
3,227 |
| 87 |
Tokyo Electron UStel.com
Engineering, manufacturing, selling, and servicing wafer-processing, flat panel display, and thin-film silicon photovoltaic equipment worldwide. |
3,086 |
| 88 | 2,913 | |
| 89 |
IES Holdingsies-co.com
Electrical contracting services for commercial, industrial, residential, and infrastructure sectors across the United States, based in Houston, Texas. |
2,868 |
| 90 |
Powellpowellind.com
Global manufacturer providing reliable power distribution systems, engineered electrical solutions, automation systems, and services to enhance safety and accessibility to electricity worldwide |
2,865 |
| 91 | 2,856 | |
| 92 |
FirstCashfirstcash.com
Leading international operator of pawn stores and consumer lending locations providing small loans secured by personal property and retail merchandise sales. |
2,804 |
| 93 | 2,779 | |
| 94 |
Patterson-UTIpatenergy.com
A leading provider of drilling and completion services to oil and gas companies in the US and select countries, offering contract drilling, completion, and directional drilling services Apply online |
2,745 |
| 95 |
ABM Janitorial Servicesabm.com
Offers comprehensive janitorial solutions, utilizing advanced technology, trained staff, private label products, and quality control for various businesses nationwide. |
2,614 |
| 96 |
Plainsplains.com
A midstream energy company operating pipelines and logistics services for crude oil, NGL, and natural gas with a focus on employee well-being and diversity |
2,582 |
| 97 |
Sterling Infrastructure, Inc.strlco.com
The company focuses on building infrastructure solutions across the United States, specializing in E-Infrastructure, Building, and Transportation projects |
2,492 |
| 98 |
Helen of Troycareers.helenoftroy.com
This company provides products found in homes improving everyday life, with a focus on inclusion and empowerment of talent |
2,416 |
| 99 |
Bristow Groupbristowgroup.com
Global provider of offshore oil and gas transportation, search and rescue, and aircraft support services to government and civil organizations worldwide |
2,315 |
| 100 |
DJOenovis.com
Enovis, formerly DJO, specializes in medical technology, offering products for performance, mobility, surgical intervention, and post-operative rehabilitation through various brands. |
2,241 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
More company lists in Texas
- The largest companies in Texas 8,086
- Oil and Gas companies in Texas 836
- IT Services and IT Consulting companies in Texas 665
- Energy companies in Texas 629
- IT services companies in Texas 464
- SaaS companies in Texas 442
- Retail chains in Texas 441
- Hospitals and Health Care companies in Texas 410
- Critical infrastructure operators in Texas 396
- Real Estate companies in Texas 371
- Software Development companies in Texas 350
- Transportation, Logistics, Supply Chain and Storage companies in Texas 348
- Education providers in Texas 291
- Construction companies in Texas 276
- Financial services firms in Texas 274
- Financial Services companies in Texas 271
- Manufacturers in Texas 269
- Logistics companies in Texas 238
- Public sector organisations in Texas 233
- Healthcare providers in Texas 221
- Consulting firms in Texas 180
- Truck Transportation companies in Texas 180
- Higher Education companies in Texas 177
- Hardware manufacturers in Texas 171
The same list elsewhere in United States
- Publicly traded companies in the United States 1,661
- Publicly traded companies in California 249
- Publicly traded companies in New York State 148
- Publicly traded companies in Illinois 89
- Publicly traded companies in Florida 78
- Publicly traded companies in Pennsylvania 64
- Publicly traded companies in Georgia 61
- Publicly traded companies in Ohio 57
- Publicly traded companies in Massachusetts 56
- Publicly traded companies in Virginia 55
- Publicly traded companies in North Carolina 52
- Publicly traded companies in New Jersey 50
- Publicly traded companies in Colorado 38
- Publicly traded companies in Arizona 37
- Publicly traded companies in Washington State 37
- Publicly traded companies in Alabama 34
- Publicly traded companies in Connecticut 34
- Publicly traded companies in Michigan 31
- Publicly traded companies in Tennessee 29
- Publicly traded companies in New York 120
- Publicly traded companies in Houston 71
- Publicly traded companies in Chicago 45
- Publicly traded companies in San Francisco 45
- Publicly traded companies in Atlanta 37