We cannot emphasize enough the importance of electricity in today’s modern world. With life revolving around electricity in the 21st century, power generation infrastructures are considered national security assets in all countries.

The power generators market is worth billions and, as per the research report from Precedence Research, is expected to reach $30.9 billion by 2030, with a CAGR (Compound Annual Growth Rate) of 6.25% from 2022 to 2030.

With several commercial generator companies in the business, selecting the best brand can be quite challenging. To narrow your search, we’ve computed a comprehensive list of the top industrial generator brands in 2023.

With their diverse range of products, cutting-edge technology, and sustainability commitment, these brands will fulfill all your power requirements.

7 Largest Generator Manufacturers In The Business

Offering everything from natural gas and diesel engines to electric and hybrid electric power platforms, these brands are leading the way in innovative and reliable power solutions.

1. Cummins

cummins diesel generators

Founded: 1919

Headquarters: Indiana, U.S.

Net Worth as of 22nd May 2023: $30.67 Billion

About the Company: Cummins is a globally recognized generator manufacturing company, supplying natural gas and diesel generator sets with a power potential of 2.5kW – 3,500 kW. With around 73,600 employees, the company focuses on manufacturing, developing, and distributing filters, engines, and power generation equipment.

The brand operates via the following segments: Components, Distribution, New Power, and Power Systems. They offer service and product support to its customers through several dealers located across the globe.

2. Caterpillar


Founded: 1925

Headquarters: Texas, U.S.

Net Worth as of 22nd May 2023: $110.69 Billion

About the Company: Being the world’s largest construction equipment manufacturer, Caterpillar offers the biggest range of diesel and natural gas generator sets specifications. Manufactured for optimal performance, their diesel generators offer 7.5 to 17,550 kVA of power potential for multiple projects.

The brand is known for providing high-quality power coupled with affordable installation and lower maintenance costs. Their generators have remarkable features like large bearing areas, hardened crankshafts, steel-backed aluminum alloy bearings, and high-strength blocks, which ensure long generator life.

3. Kohler-SDMO

kohler diesel generators

Founded: 1966

Headquarters: Brest, France.

Annual Revenue in 2021: $5 Million

About the Company: Kohler-SDMO is the 3rd largest generator manufacturer worldwide, specializing in manufacturing, designing, and marketing portable and industrial generators of 1kVA to 3000kVA.

With the launch of the KD series 4000kW (@60Hz)/ 4500kVA (@50Hz) in April 2020, Kohler became one of the few brands to offer the most powerful diesel generator sets in the market.

Their engineers are focused on developing tailor-made power plants to meet the most specific demands of clients. The company’s customer service policy promises long-term operability for worldwide facilities.

4. Taylor Power Systems

Founded: 1986

Headquarters: Clinton, Mississippi.

Annual Revenue in 2021: $26 Million

About the Company: With over 30 years of experience, Taylor Power Systems is a premier manufacturer of generator sets for commercial, oil and gas, business, health care, industrial, transportation, telecommunications, and any prime or standby power needs.

The company engineers, designs, and manufactures high-quality power generation resources in various critical and challenging environments. They have built a solid reputation for innovation, service, and dependability.

With more than 300,000 sq. ft. of manufacturing, training, and office space, the brand has enough technical resources to develop power generators for various applications.

Generator Power rating

5. Multiquip

multiquip diesel generators

Founded: 1973

Headquarters: California, U.S.

Annual Revenue in 2021: $139 Million

About the Company: Multiquip is one of the biggest manufacturers of world-class quality solutions and products that range from light to medium construction equipment, lighting, and power generators. The brand offers a full line of highly reliable and innovative gasoline, natural gas, and diesel generators ranging from 2.3 kW to 2,000 kW.

Featuring ultra-quiet performance, unsurpassed reliability, and efficiency, their generators have set the standard in various applications. With thousands of authorized distribution partners, the company distributes its products in over 70 countries.

6. Doosan Portable Power

Founded: 1871

Headquarters: North Carolina, U.S.

Annual Revenue in 2021: $42.6 Million

About the Company: Doosan Portable Power (DPP) is an industry-leading manufacturer specializing in mobile generators, light towers, and air compressors. Committed to delivering high-quality and innovative power solutions, the brand is recognized for its quality, reliability, and serviceability.

The company’s large portable generators are equipped with various standard features coupled with customizable options for superior versatility and flexibility for every application. Their mobile generators also come equipped with customizable features to deliver optimum performance even in the harshest conditions.

7. Generac

Founded: 1959

Headquarters: Wisconsin, U.S.

Net Worth as of 19th May 2023: $7.33 Billion

About the Company: With a legacy of over 60 years, Generac is one of the oldest brands in the world, manufacturing the most environment-friendly, dependable, and efficient power equipment, including residential, industrial, portable, and commercial generators.

The brand’s mobile generators provide innovative solutions to streamline workflow and optimize operations for disaster response, construction, mining, and other professionals. Their power solutions for industrial applications include bi-fuel generators, gaseous generators, and diesel generators, along with controllers and transfer switches.

Wrapping Up!

Now that we’ve discussed some of the top generator manufacturers, it is easier to identify the strengths and weaknesses of each brand. While it is essential to choose a company that meets your business requirements, always consider factors like customer support, durability, and reliability. This will ensure you invest in a long-lasting product to meet your power needs.

Contact CS Diesel Generators to know more about top generator companies. Whether Cummins, Generac, Caterpillar, or Taylor Power, grab the best deals on various premium industrial generators to power all the equipment in your business.

Discover more: Big Generators: How does it work?

FAQs about Generator Manufacturers

1. What are the factors to consider while selecting industrial generator brands?

While choosing the best generator company, consider the power output (measured in watts), noise level (measured in decibels (dB), fuel source (gasoline, propane, natural gas, and diesel), customer support, and price & warranty offered.

2. Which is the best Kohler generator?

Kohler’s KD series diesel generators have huge power options of up to 4 MW for applications at gas stations, data centers, hospitals, and airports, making them one of the best Kohler generators.

3. What are the industries, fuel types, and applications that Cummin generators cater to?

The following industries, fuel types, and applications are included in Cummins’s comprehensive generators range:

  • Industries: Healthcare generators, RV generators, Data center backup power, Marine gensets.
  • Fuel Types: Natural gas, gas, diesel, and propane.
  • Application: Portable generators, prime power, commercial mobile generators, standby power, and home standby generators.

4. Why are Caterpillar diesel generators popular?

Known for low fuel consumption, global emissions compliance, and high efficiency, Caterpillar’s diesel generator sets come with 6-5,720 eKW power potential. These generators are easy to install, built to world-class standards, and available in multiple options to match the client’s power requirements.