| # | Company | Employees |
|---|---|---|
| 1 |
Tesla Austria GmbHtesla.com
A company focused on accelerating the world's transition to sustainable energy through electric vehicles and clean energy generation and storage solutions |
128,000 |
| 2 | 55,736 | |
| 3 |
NI (National Instruments)ni.com
The company engineers solutions using cutting-edge technology, automation, and software to help customers solve technology challenges and build better businesses |
7,971 |
| 4 |
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 |
| 5 |
Dover Fueling Solutionsdoverfuelingsolutions.com
Provider of advanced energy dispensing equipment, automation systems, and payment solutions for global fueling and convenience retail customers Offers clean energy products and subscription services |
3,193 |
| 6 |
Tokyo Electron UStel.com
Engineering, manufacturing, selling, and servicing wafer-processing, flat panel display, and thin-film silicon photovoltaic equipment worldwide. |
3,086 |
| 7 |
Samsung Austin Semiconductorsamsung.com
Advanced semiconductor manufacturing facility with cutting-edge technologies, serving a global customer base in various sectors and providing upskilled training to employees |
3,062 |
| 8 |
Thermonthermon.com
Provides safe, reliable, and innovative industrial process heating solutions, including flow assurance, temperature maintenance, freeze protection, and environmental monitoring for various industries globally. |
1,160 |
| 9 |
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 |
| 10 |
Hellashellas.com
American sports contractor specializing in manufacturing, construction, and installation of sports surfaces and amenities for K-12, collegiate, and NFL projects |
574 |
| 11 |
Wayne Fueling Systemsdoverfuelingsolutions.com
Global provider of fuel dispensers, payment terminals, forecourt control devices, and measurement solutions for retail and commercial fueling industry worldwide |
523 |
| 12 |
CesiumAstrocesiumastro.com
This company engineers and manufactures communication modules, payloads, and satellites for commercial and defense applications globally Hiring opportunities available |
466 |
| 13 |
BuildASignbuildasign.com
An award-winning online custom printing provider offering signage, apparel, and home decor items to empower individuals and businesses with personalized products |
382 |
| 14 |
Active Power Inc.activepower.com
A leading manufacturer of kinetic energy storage products and modular infrastructure solutions, specializing in battery-less UPS systems for critical power applications |
355 |
| 15 |
Diasorindiasorin.com
Global provider of targeted and syndromic molecular diagnostic products for laboratories, offering kits for infectious diseases and LDT primer pairs |
344 |
| 16 |
Shop LCshoplc.com
This company is an omnichannel retailer offering a diverse range of affordable jewelry, beauty, fashion, and home decor products through interactive live shows |
326 |
| 17 | 299 | |
| 18 |
Infinitumgoinfinitum.com
This company develops innovative electric motors and control products using patented PCB stator technology for various industries, focusing on efficiency and cost-effectiveness |
272 |
| 19 |
Magpul Industries Corp.magpul.com
A company founded in 1999, specializing in firearms accessories and gear designed to professional-use standards, focusing on innovation and efficiency |
247 |
| 20 |
DJO Surgicaldjosurgical.com
This company designs, manufactures, and sells adult reconstructive hip, shoulder, and knee implants, as well as spinal implant products with cutting-edge technology |
227 |
| 21 |
SACHEM, Incsacheminc.com
Global chemical science company providing services to various industries worldwide, with operations in the US, Netherlands, Japan, and China Headquarters in Austin, Texas |
187 |
| 22 |
Senox Corporationsenox.com
A leading manufacturer and supplier of seamless gutter products in various materials and colors, providing reliable parts and excellent customer service |
184 |
| 23 |
Tokyo Electron America, Inc.tokyoelectron.com
Semiconductors company in Austin, Texas specializing in electronic manufacturing services and technology for the global market |
124 |
| 24 |
NBG Homenbg-home.com
Leading provider of home d茅cor and styling essentials with expertise across various categories, offering unique designs at a great value through trusted brands and partnerships |
101 |
| 25 |
Skywaysskyways.com
Develops fully autonomous, unmanned aerial vehicles with vertical take-off and landing capabilities for cargo transportation, advancing future civilization's transport. |
62 |
| 26 |
Stubb's Legendary Bar-B-Qmccormick.com
The company specializes in producing premium barbeque sauce, marinade, and rubs using all-natural ingredients and a secret ingredient of "Love and Happiness" |
37 |
| 27 |
BSU Incorporatedbsuinc.com
Specializing in electronic design and manufacturing services for various industries, including defense, medical, transportation, and renewable energy, with a focus on customer satisfaction and innovation |
31 |
| 28 |
Texas Coffee Traderstexascoffeetraders.com
This company roasts and sells various fine coffees, offers coffee machine repairs, and provides a cafe experience with drinks, beans, and gift packs. |
28 |
| 29 |
Heraeus Quartz America, LLCheraeus-covantics.com
A company specializing in advancing innovations in quartz glass and fused silica for over a century |
26 |
| 30 |
Repeat Precisionrepeatprecision.com
Designing, engineering, manufacturing, and delivering efficient plug-and-perf tools for wellbore completions with high-quality products, fair prices, and exceptional customer support |
24 |
| 31 |
Wolfram Manufacturing Technologieswolframmfg.com
Wolfram Manufacturing Technologies specializes in developing and integrating advanced technologies to optimize CNC machine performance, reduce downtime, and increase profitability for manufacturers |
19 |
| 32 |
Black Diamond Structures LLCblackdiamond-structures.com
Innovative nanomaterial manufacturer enhancing various industries with patented technology like Molecular Rebar for improved product performance and solutions |
16 |
| 33 |
American Precision Engineeringapeamerican.com
Specializing in precision metallic component design and fabrication, we provide engineering support, prototyping, and production for various industries, ensuring high-quality products efficiently |
12 |
| 34 |
Progress Coffee Coprogresscoffeeroasting.com
Roastery offering small batch coffee and serving coffee plus beer in Buda. |
6 |
| 35 |
Invader Coffeeinvadercoffee.com
Veteran-owned, Texas-based company air roasts fresh coffee beans, ensuring no fillers and low acidity for a smooth flavor. Donates 50% of Brothers in Arms Blend proceeds to charity. |
6 |
| 36 |
MOLITOR ELECTRIC, INC.molitorelectric.com
An electrical/electronic manufacturing company located in Austin, Texas, specializing in producing electrical products for various applications |
4 |
| 37 |
Megas Manufacturingmegasmfg.com
A versatile manufacturer in Oil and Gas industry, providing metering pumps, injection accessories, valves, controls, and innovative solutions for various production applications |
4 |
| 38 |
Nicavio Specialty Coffeenicavio.com
Family-owned, vertically integrated coffee supplier, specializing in green and roasted coffee from Central America. Connecting farmers with global markets, providing premium coffee to retailers. |
1 |
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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 Nov 2, 2026.
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The same list elsewhere in United States
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