Top 10: Biggest Manufacturing Factories

By 2030, the global manufacturing market is projected to grow to US$968bn, according to BCC Research. 

With demands on manufacturers continuing to increase, factory size, equipment and employee count is following suit.

​Some of the world’s largest factories have even incorporated living quarters, designated roads and railroad systems.

Manufacturing Digital has ranked the world’s biggest manufacturing factories by gross floor area (GFA).

10. Toyota Motor Manufacturing Kentucky

Company: Toyota Motor Company
CEO: Koji Sato
Location: Kentucky, US
GFA: ~836,000 m²

The Toyota Motor Group Manufacturing plant in Kentucky is its largest facility around the world. 

In November 2025, plans were announced to invest more than US$10bn into the company by 2030, and the Kentucky facility received a US$800m boost in May 2026.

These funds are set to help with the production of battery electric vehicles and increase production capacity for the Camry and RAV4.

More than 10,000 employees work in the Georgetown facility, allowing the company to produce around 550,000 vehicles per year from Kentucky alone.

9. Gigafactory Shanghai

Company: Tesla
CEO: Elon Musk
Location: Shanghai, China
GFA: 864,000 m²

Construction of the Tesla Gigafactory in Shanghai began in January 2019, and the facility was ready to begin production by December.

Tesla has five gigafactories worldwide, and the Shanghai facility was the first to be built outside of the US. 

Its 864,000m² GFA holds more than 20,000 employees and produces a vehicle every 40 seconds.

8. Gigafactory Texas

Company: Tesla
CEO: Elon Musk
Location: Texas, US
GFA: ~929,000 m²

Tesla’s Gigafactory in Texas is the company’s newest factory.

The Texas location was built between July 2020 and April 2022, spanning more than 10 million square metres.

It is the home of Cybertruck production, holding a 9,000-ton Giga Press for the underbody and other structural pieces on the vehicle.

More than 16,000 people work at the plant which has produced more than 500,000 vehicles so far.

7. TSMC Fab 18

Company: TSMC
CEO: Che-Chia Wei
Location: Hsinchu, Taiwan
GFA: ~950,000 m²

TSMC Fab 18 supplies chips to iPhones, AI accelerators and data centre processors.

Plans for the facility began in early 2018, as TSMC began mass production of 5-nanometre process technology. 

The company has invested billions in 3nm process technology in 2022, and full production began at the end of that year. 

During its opening in 2018, TSMC Chairman Dr. Morris Chang revealed that TSMC Fab 18 will exceed US$17bn in investment.

6. Samsung Electronics Pyeongtaek Campus

Company: Samsung Electronics
CEO: Lee Jae-yong
Location: Pyeongtaek, South Korea
GFA: ~990,000 m²

Construction of the Samsung Electronics Pyeongtaek Campus began in May 2015, and it began mass production of DRAM Memory in 2017.

The campus has a single cleanroom that is twice the size of the Pyramids of Giza and employs more than 60,000 people.

Samsung produces V-NAND, LPDDR5 DRAM and HBM4 chips at the campus, which are used in AI systems across the world.

5. Hyundai Motor Group Metaplant America

Company: Hyundai
CEO: José Muñoz
Location: Georgia, US
GFA: 1,500,000 m²

Hyundai Motor Group’s metaplant in Georgia is its primary production hub in the US.  

It assembles the Hyundai Ioniq 5, Hyundai Ioniq 9 and Kia Sportage Hybrid models.

Boasting a 1.5 million square metre gross floor area, the facility is made up of 11 different buildings and produces approximately 500,000 vehicles each year.

The company’s push to incorporate AI systems is a key feature at the Georgia-based facility, using more than 850 robots and 300 automated guided vehicles.

4. Fuding Lithium-ion Battery Production Base

Company: CATL
CEO: Zeng Yuqun
Location: Ningde, China
GFA: ~1,900,000 m²

CATL’s Fuding Lithium-ion Battery Production Base in Ningde, China is the company's largest single lithium-ion battery project.

The large size has allowed CATL to increase production and become the largest EV battery manufacturer in the world.

The company plans to invest US$735m to build new production lines for electrodes, cells, testing and modules.

Approximately 10,000 people are employed at this facility. 

3. BYD Hefei Industrial Park

Company: BYD
CEO: Wang Chuanfu
Location: Anhui, China
GFA: ~2,600,000 m²

BYD Hefei Industrial Park is the company’s largest facility. 

In 2022, it produced more than 400,000 cars. Now, the car manufacturer says it has increased its tally to around 1,200 cars per day, using robotic solutions to automate high-bay warehousing and boost production.

To navigate its large gross floor area, the facility has a monorail system that allows easy access to each production line.

BYD says it has invested more than US$4bn in this facility so far.

Hefei is the leading production site for some of its most notable models, including the Song Plus DM-i, the Qin PLUS DM-i and the Destroyer 05.

Producing vehicles is not the only demand at Hefei, as the site also generates 400,000 sets of core spare parts per year.

2. Zhengzhou Technology Park

Company: Foxconn
CEO: Young Liu
Location: Henan, China
GFA: ~2,800,000 m²

Located in Henan, China, Foxconn’s Zhengzhou Technology Park covers 2.8 million square metres. 

It operates like a self-contained industrial city with its own housing, healthcare and transit. 

Since opening the Park in 2010, Foxconn has become one of the largest electronics manufacturers.

At its peak, the facility can produce more than 500,000 phones per day, which is around 350 phones per minute.

Foxconn uses state-of-the-art technology, like AI robotic arms, to carry out intricate tasks including screen-bonding and enclosure fitting.

Commonly referred to as ‘iPhone City’, the Foxconn location employs up to 300,000 people.

This number varies across the year as the company increases its workforce between September and December to prepare for the holiday season.

1. Wolfsburg Volkswagen Plant

Company: Volkswagen Group
CEO: Oliver Blume
Location: Wolfsburg, Germany
GFA: ~6,500,000 m²

Due to its sheer size, the Volkswagen Group Wolfsburg plant has more than 70km in roads and 60km in train tracks, maintained by the company's own robots and locomotives.

More than 60,000 workers are employed at the factory, producing more than 4,000 cars per day across four assembly lines.

The German car manufacturer is set to make changes to its production, as Volkswagen’s board members have announced plans to cut the number of models by 75% to lower costs.

The Wolfsburg site will host the creation of the new electric VW Golf Mk9, which is set to incorporate the car manufacturer’s new 800V electrical SSP architecture and be available for purchase in 2028.

In March 2024, Volkswagen confirmed that energy efficiency at the Wolfsburg plant had increased by 2% each year since 2019 as part of the company’s commitment to sustainability.