| # | Company | Employees |
|---|---|---|
| 1 | 193,793 | |
| 2 |
Dell Technologiesdell.com
Provide essential technology infrastructure enabling organizations to transform and advance their digital futures through innovative solutions and support. |
133,530 |
| 3 |
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 |
| 4 | 79,707 | |
| 5 |
Baker Hughesbakerhughes.com
Energy technology company providing innovative solutions globally, focusing on safety, efficiency, and sustainability in the energy and industrial sectors |
67,440 |
| 6 |
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 |
| 7 |
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 |
| 8 | 55,736 | |
| 9 | 37,645 | |
| 10 |
Texas Instrumentsti.com
Design, manufacture, and sell analog and embedded processing chips for industrial, automotive, personal electronics, enterprise, and communications markets. |
33,476 |
| 11 |
Cameron Productsslb.com
A leading provider of flow equipment products, systems, and services for the global oil, gas, and process industries, with a strong global network |
18,396 |
| 12 |
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 |
| 13 |
Oceaneeringoceaneering.com
Global technology company providing engineered services, products, and robotic solutions to offshore energy, defense, aerospace, and manufacturing industries worldwide |
13,838 |
| 14 |
Weir Mineralsglobal.weir
The company provides engineered solutions to the mining industry, offering services from reducing downtime to increasing plant capacity and tailings management |
8,746 |
| 15 |
Nabors Industriesnabors.com
Provider of advanced drilling rigs, automation, and engineering solutions for safe, efficient, and responsible energy production worldwide. |
7,492 |
| 16 |
ATIatimaterials.com
A global leader in materials science, providing solutions for extreme challenges in aerospace, defense, medical, and industrial applications worldwide |
5,959 |
| 17 |
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 |
| 18 |
Daikin Comfortdaikincomfort.com
Leading global provider of heating and cooling solutions, improving environment and quality of life across over 140 countries worldwide. |
4,475 |
| 19 |
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 |
| 20 |
HIDhidglobal.com
It provides secure identification and verification solutions for people and things, enabling safe transactions and access to physical and digital environments. |
4,088 |
| 21 |
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 |
| 22 |
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 |
| 23 |
Overhead Door Corporationohdcorporation.com
This company is the industry leader in upward-acting doors and electric door openers, with a focus on product innovation, quality, and customer support |
3,326 |
| 24 |
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 |
| 25 |
Hilti North Americahilti.com
Providing innovative tools, fasteners, software, and services to enhance construction speed, safety, and sustainability for professionals. |
3,241 |
| 26 |
Tokyo Electron UStel.com
Engineering, manufacturing, selling, and servicing wafer-processing, flat panel display, and thin-film silicon photovoltaic equipment worldwide. |
3,086 |
| 27 |
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 |
| 28 |
Core Laboratoriescorelab.com
A global provider of reservoir description and production enhancement services, offering technologies to optimize reservoir performance and maximize hydrocarbon recovery |
2,667 |
| 29 |
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 |
| 30 |
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 |
| 31 |
Oil States Internationaloilstatesintl.com
A global products and services company serving the energy industry with manufactured equipment for drilling, completion, production, and infrastructure sectors worldwide Headquarters in Houston |
2,181 |
| 32 |
DXP Enterprises, Inc.dxpe.com
A publicly traded distribution management company providing innovative pumping solutions, supply chain services, and MROP products to various industries |
2,133 |
| 33 |
Textron Systemstextronsystems.com
Innovative solutions provider to defense, homeland security, and aerospace sectors Specializing in unmanned aircraft, marine craft, armored vehicles, and intelligence software |
2,084 |
| 34 |
Vistance Networksvistancenetworks.com
Provides reliable communication technology solutions focused on performance, innovation, and customer-driven value for a dynamic global market. |
2,068 |
| 35 |
Orthofixorthofix.com
A global spine and orthopedics company with a wide range of products, including biologics, spinal hardware, orthopedic solutions, and surgical navigation systems Offering solutions in 68 countries |
2,059 |
| 36 |
Ceragon Networksceragon.com
Global leader in 5G wireless transport solutions, providing innovative backhaul and fronthaul services for operators worldwide, increasing efficiency and enhancing customer experience |
1,990 |
| 37 |
Cirrus Logiccirrus.com
Industry leader in low-power audio and high-performance mixed-signal processing technology, creating immersive experiences for mobile and consumer applications worldwide with flexible work culture |
1,817 |
| 38 |
Peterbilt Motors Companypeterbilt.com
Design, engineering, and manufacturing of premium medium- and heavy-duty commercial vehicles with advanced technology and superior quality. |
1,764 |
| 39 |
HALLIBURTON ENERGY SERVICEShalliburton.com
Global energy industry provider with over a century of experience in maximizing reservoir value through various products and services worldwide |
1,626 |
| 40 |
Parker Wellborenabors.com
Wellbore construction partner minimizing risk & optimizing performance Specializing in drilling, rig operations, rental tools, and supporting customers in energy transition |
1,622 |
| 41 |
Dril-Quipinnovex-inc.com
Global leader in offshore drilling and production equipment for deepwater and harsh environments, offering innovative solutions, technical advisory services, and worldwide support |
1,605 |
| 42 |
ECI Telecomrbbn.com
Global communications software and network solutions provider for service providers, enterprises, and critical infrastructure sectors, offering innovative end-to-end solutions for modernizing networks |
1,513 |
| 43 |
Safran Electronics & Defense, Avionics USA, LLC.safran-group.com
Design, support, maintenance, and sales of avionics products including cockpit displays, autopilot systems, flight controls, and monitoring software for aircraft and helicopters. |
1,481 |
| 44 | 1,465 | |
| 45 |
Sirius Computer Solutionscdw.com
A nationally recognized IT solution provider with certified teams offering a wide range of technology solutions to meet business needs |
1,459 |
| 46 |
Quarterhill Inc.quarterhill.com
Innovatively driving transportation forward through collaboration, excellence, and progress to create a safer, more connected world beyond boundaries |
1,438 |
| 47 |
Martin Sprocket & Gearmartinsprocket.com
Manufacturer of power transmission components, material handling products, and industrial hand tools with a focus on fast production and large inventories for superior service |
1,409 |
| 48 |
Brinks Homebrinkshome.com
Provider of smart home security solutions with expert professionals, protecting over one million customers across the U.S., Canada, and Puerto Rico. |
1,390 |
| 49 |
Oil States Industriesoilstates.com
A technology company advancing the energy future with innovative equipment, systems, and services for energy, industrial, and military markets worldwide |
1,356 |
| 50 |
Frank's International N.V.expro.com
Specializing in well construction, flow management, subsea access, and integrity services, we drive energy solutions through data, digital transformation, and innovation for operational excellence |
1,350 |
| 51 |
APP Manufacturingappmfg.com
The company provides advanced piping products and expertise to help businesses overcome challenges and achieve new possibilities |
1,341 |
| 52 |
Forum Energy Technologiesf-e-t.com
Global provider of products and services for the energy industry, offering solutions from underwater reservoirs to refineries to maximize operations and improve efficiency |
1,283 |
| 53 |
Sabre Industries, Inc.sabreindustries.com
Innovative provider of utility and telecom solutions, specializing in highly-engineered structures and components with a focus on sustainability and efficiency |
1,276 |
| 54 |
ProFrac Servicesprofrac.com
ProFrac Services manufactures high pressure pumps and custom equipment for pressure pumping operations, focusing on reliability, safety, efficiency, and innovation for customers |
1,263 |
| 55 |
Visual Comfort & Co.visualcomfort.com
An established designer lighting resource using natural materials to create custom fixtures with a wide range of styles and superior quality craftsmanship |
1,231 |
| 56 |
Howard Industrieshoward.com
Leading manufacturer of liquid-filled distribution transformers for utility, commercial, and industrial markets. Produces computers, medical technology, lighting, and ballast products. |
1,218 |
| 57 |
Scientific Drillingscientificdrilling.com
Global provider of high accuracy wellbore placement and drilling solutions for Oil & Gas, Geothermal, Mining, and more industries Dedicated to superior customer experience |
1,218 |
| 58 |
Innovexinnovex-inc.com
Designs, manufactures, and installs drilling, completion, and intervention solutions worldwide with a focus on efficiency, cost reduction, and seamless transitions for customers |
1,204 |
| 59 | 1,204 | |
| 60 | 1,180 | |
| 61 |
Saronic Technologiessaronic.com
Developing advanced unmanned surface vehicles with top-tier technology for maritime security and domain awareness through a fully integrated platform with AI |
1,159 |
| 62 |
HILONG GROUP OF COMPANIEShilonggroup.com
Specializing in oil and natural gas industries, this group of enterprises has subsidiaries with production bases in multiple locations worldwide |
1,115 |
| 63 |
OnPoint Industrial Servicesonpoint-us.com
Comprehensive industrial project support services including safety, logistics, materials management, and more to keep projects on schedule and within budget |
1,110 |
| 64 |
AST SpaceMobileast-science.com
Building the first space-based cellular broadband network to provide global high-speed mobile broadband services accessible by standard smartphones without special equipment |
1,068 |
| 65 |
ETC (Electronic Transaction Consultants)quarterhill.com
ETC provides advanced intelligent transportation systems and services, offering tolling, congestion management, urban mobility solutions, and integrated back office platforms |
1,057 |
| 66 |
GKN Fokkergknaerospace.com
Leading provider of advanced aircraft systems, components, and integrated services to airplane owners and airlines, with multiple locations in the Netherlands |
1,045 |
| 67 |
Siemens Healthineerssiemens.com
Innovative team of engineers specialized in computer vision technology, focused on developing imaging systems for early cancer detection and breast density assessment |
1,020 |
| 68 |
Heathheathus.com
A leading provider of innovative natural gas utilities safety solutions, offering services such as utility line locating and corrosion services with a commitment to excellence and core values |
971 |
| 69 |
Igloo Products Corp.igloocoolers.com
This company, originating in 1947 as a metalworking shop, revolutionized outdoor recreation with its ice chests and water solutions |
939 |
| 70 |
Aviat Networksaviatnetworks.com
A global provider of wireless transport products, services, and support for LTE and 5G broadband networks, serving customers in 170 countries |
926 |
| 71 |
Cactus Wellheadcactuswellhead.com
The company designs, manufactures, sells, and rents wellheads and pressure control equipment for onshore oil and gas wells, prioritizing customer service and safety |
919 |
| 72 |
SPM Oil & Gasspmoilandgas.com
Global provider of surface frac solutions with durable products for oilfields Offers pressure-control technologies, well services, and expert engineer support worldwide |
904 |
| 73 |
HMT LLChmttank.com
Global leader in aboveground storage tank solutions, offering innovative products and services to optimize tank operations and improve efficiency, productivity, and profitability worldwide |
878 |
| 74 |
VEX Roboticsvexrobotics.com
Provider of educational and competitive robotics products for schools and teams worldwide, supporting robotics programs and competitions for students of all ages |
850 |
| 75 |
LUFKIN INDUSTRIESlufkin.com
Specializing in rod lift systems and controllers, we provide reliable production solutions with a proven track record of success over the years |
832 |
| 76 |
Tellabstellabs.com
Tellabs delivers secure, scalable access solutions for networking in sectors like healthcare, finance, and telecom, focusing on optimizing performance and connectivity |
832 |
| 77 |
(WIS) Wellbore Integrity Solutionswellboreintegrity.com
Global engineering and field services company providing comprehensive products and services for oil, gas, and geothermal well lifecycle enhancement worldwide |
796 |
| 78 |
Toshiba International Corporationtoshiba.com
Provides application solutions across diverse industries, including general industrial, oil and gas, utilities, datacenters, renewables, HVAC, water/wastewater, and mining. |
791 |
| 79 |
Airspan Networksairspan.com
Provider of innovative software and hardware for 5G networks, pioneering in Open RAN solutions for seamless connectivity globally |
770 |
| 80 |
Pro-Vigil Surveillance Servicespro-vigil.com
A surveillance and monitoring solution ensuring asset safety with fast response times, industry-leading service guarantee, and proactive crime prevention |
758 |
| 81 | 743 | |
| 82 |
Argon Medical Devices, Inc.argonmedical.com
Manufacturing specialty medical devices for interventional radiology, vascular surgery, interventional cardiology, and oncology, improving patient outcomes through image-guided procedures. |
742 |
| 83 | 720 | |
| 84 |
Lancer Worldwidelancerworldwide.com
Manufacturing and supplying innovative beverage dispensing equipment worldwide, providing customers with quality products and competitive market advantages. |
710 |
| 85 |
Iscar Metalsiscarmetals.com
Iscar Metals is a company that specializes in manufacturing metal cutting tools and providing innovative metalworking solutions to various industries |
703 |
| 86 |
The Boring Companyboringcompany.com
Developing innovative underground tunneling technology to alleviate traffic congestion through cost-effective and efficient construction for future transportation solutions |
702 |
| 87 |
Hyosung - North Americahyosungamericas.com
A leading provider of ATM and TCR technology, specializing in innovative recycling solutions for financial and retail industries in North America |
701 |
| 88 |
Big Tex Trailersbigtextrailers.com
Leading open trailer manufacturer in North America, offering professional grade trailers through a vast network of dealers, with a focus on exceptional customer service and quality products |
696 |
| 89 |
Crane ChemPharma & Energycranecpe.com
Designs and manufactures high-performance valves, pipes, actuation, and fittings for challenging applications in industries such as chemical processing and power generation |
663 |
| 90 |
Luminator Technology Groupluminator.com
Designs and manufactures communication and lighting products for bus, rail, and aerospace, including transportation lighting and destination signs for safety and efficiency. |
650 |
| 91 |
Sensia Globalsensiaglobal.com
Sensia combines Rockwell Automation's process automation, real-time control, and IoT tech with Schlumberger's measurement and analytics capabilities for oil and gas automation solutions globally |
639 |
| 92 |
Trantertranter.com
Tranter is a global leader in thermal management, specializing in plate heat exchangers for various industries, offering customized solutions and quality service worldwide |
633 |
| 93 |
UPGupgintl.com
A US-based manufacturer specializing in OEM, contract manufacturing, and injection molding for data centers, automotive, and general industrial markets worldwide |
625 |
| 94 |
AOIao-inc.com
A leading designer and manufacturer of fiber optic networking products, serving cable TV broadband, fiber-to-the-home, and internet data centers markets |
624 |
| 95 |
Aventiv Technologiesaventiv.com
Aventiv Technologies delivers innovative solutions in corrections and government services, combining simplicity and security through technology for improved outcomes nationwide |
619 |
| 96 |
Sunnova Energysunnova.com
Industry-leading energy services company making clean energy accessible, reliable, and affordable for homeowners and businesses through an adaptive energy platform |
615 |
| 97 |
ICONiconbuild.com
Construction technology innovator using robotics and AI to enhance construction efficiency, quality, and cost-effectiveness Find us on social media @ICON3DTech |
614 |
| 98 |
Intuitive Machinesintuitivemachines.com
Leading lunar program unlocking lunar economy, exploring solar system, reestablishing US dominance on Moon, sending spacecraft to lunar south pole |
613 |
| 99 | 610 | |
| 100 |
Siemens Postal, Parcel & Airport Logistics LLCsiemens.com
A leading provider of mail, parcel, and airport logistics solutions with innovative products, software, and customer services worldwide |
604 |
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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.
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