Green Bay's Growing Electronics Ecosystem
Green Bay is best known for paper, food processing, and logistics, yet the region has steadily developed a strong electronics manufacturing ecosystem. Factories throughout Northeast Wisconsin rely on sophisticated controls, sensors, and power systems, and that demand has encouraged electronics manufacturers to grow nearby. The result is a market where buyers can find contract assembly, industrial controls, power generation equipment, and consumer electronics within a few hours of the city.
Wisconsin's manufacturing culture rewards precision, reliability, and practical engineering. These qualities are especially valuable in electronics, where a single faulty component can halt an entire production line. Companies that serve the Green Bay market tend to emphasize long-term partnerships, robust testing, and responsive support.
How We Selected These Manufacturers
We evaluated each company based on reputation, technical capability, breadth of products, quality systems, and relevance to businesses operating in and around Green Bay. Some are headquartered locally, while others are Wisconsin-based leaders whose products and services are widely used throughout the region.
The Top 10 Electronics Manufacturers Serving Green Bay
1. Plexus Corp.
Headquartered in Neenah, Plexus is a global leader in electronics manufacturing services. The company supports customers from product design and prototyping through full-scale production and aftermarket services. Plexus specializes in complex, highly regulated products for healthcare, aerospace and defense, and industrial markets, making it a premier partner for demanding programs.
2. Bay Tek Entertainment
Based in Pulaski, just northwest of Green Bay, Bay Tek Entertainment designs and builds arcade and redemption games enjoyed in family entertainment centers worldwide. Its products blend electronics, software, lighting, and mechanical design, showing how creative engineering can thrive in a small Wisconsin community.
3. Faith Technologies
Faith Technologies, with roots in the Fox Valley, provides electrical, energy, and technology solutions, including off-site prefabrication of electrical assemblies. Its manufacturing approach helps commercial and industrial clients speed up construction schedules while improving consistency and safety on job sites.
4. Rockwell Automation
Milwaukee-based Rockwell Automation is one of the world's largest companies dedicated to industrial automation and digital transformation. Its programmable controllers, drives, and software are found in countless Green Bay plants, helping manufacturers improve efficiency and visibility across their operations.
5. Generac
Generac, headquartered in Waukesha, manufactures standby generators, energy storage systems, and smart power management technology. Homeowners and businesses across Northeast Wisconsin rely on Generac products to stay powered through winter storms and grid interruptions.
6. Rehlko
Formerly known as Kohler Energy, Rehlko builds industrial generators, engines, and energy solutions. Its equipment supports hospitals, data centers, and manufacturing facilities that require dependable backup power and intelligent controls.
7. Johnson Controls
Johnson Controls has a long Wisconsin history and produces building automation systems, HVAC controls, fire detection, and security technology. Many commercial buildings in Green Bay use its smart building platforms to manage energy and comfort.
8. Mercury Marine
Based in Fond du Lac, Mercury Marine is famous for outboard engines, but it is also a significant developer of marine electronics, digital throttle and shift systems, and integrated vessel controls. Its innovation is closely watched by boaters on the waters of Green Bay and Lake Michigan.
9. Regal Rexnord
Regal Rexnord manufactures electric motors, power transmission components, and automation solutions. Its products are essential to conveyor systems, pumps, and HVAC equipment used throughout Green Bay's industrial base.
10. Milwaukee Tool
Milwaukee Tool is recognized for its cordless battery platforms and smart, connected power tools. Its investment in lithium-ion technology and electronics has transformed how contractors and maintenance teams in Green Bay work every day.
Key Trends in Electronics Manufacturing
Electronics manufacturers serving Green Bay are responding to several major trends. Industrial automation continues to accelerate as plants seek to offset labor shortages. Connected devices and the industrial internet of things are generating demand for sensors, gateways, and edge computing hardware. Energy resilience has also become a priority, driving growth in generators, battery storage, and smart power management.
Supply chain resilience remains a hot topic. Many buyers now prefer domestic or nearshore partners to reduce lead times and component risks. Wisconsin manufacturers with strong engineering teams are well positioned to benefit from this shift.
How to Choose an Electronics Manufacturing Partner
Begin with a clear understanding of your product's complexity, regulatory requirements, and expected volumes. Ask potential partners about their certifications, testing processes, design-for-manufacturing support, and component sourcing strategy. A strong partner should be transparent about lead times and proactive about obsolescence management.
Cultural fit matters too. Electronics programs often last for many years, so look for a manufacturer that communicates clearly, shares data openly, and is invested in your long-term success.
Frequently Asked Questions
Does Green Bay have local electronics assembly capacity?
Yes. While some of the largest players are located elsewhere in Wisconsin, the Green Bay and Fox Valley area supports contract assembly, panel building, and controls integration that serve local manufacturers. Proximity makes it easier to collaborate on prototypes and resolve production issues quickly.
Why do so many Green Bay plants rely on Wisconsin-made controls?
Wisconsin companies have long specialized in automation, motors, and power equipment. Local plants benefit from regional service technicians, shorter lead times for replacement parts, and engineers who understand the paper, food, and machinery industries that dominate Northeast Wisconsin.
Conclusion
The electronics manufacturing landscape around Green Bay is broader and more advanced than many expect. From contract manufacturing and arcade games to industrial controls and backup power, these ten companies demonstrate the depth of talent and innovation available to businesses throughout Northeast Wisconsin.