Electrical switchgear manufacturer

At SPS we manufacture custom switchgear and electrical power distribution equipment for customers across the globe from our state-of-the-art headquarters in Winneconne, Wisconsin USA.

Reliable products,
custom solutions

We have the ability to conceive, design, engineer and construct entirely custom switchgear products that can be manufactured in multiple quantities or on a one-off basis.

Electrical switchgear

Meta-clad switchgear

Metal-clad switchgear

Our metal-clad switchgear is available from 5kV-38kV in outdoor non walk-in, indoor, and PDC enclosures.

Power distribution centers (PDCs)

Power Distribution Centers

Our PDC is a custom engineered, environmentally controlled, pre-fabricated enclosure built to house electrical equipment.

Metal-enclosed switchgear

Metal-enclosed switchgear

Our metal-enclosed switchgear is available from 5kV-38kV, with flexible build/component options, the ability to add on to existing switchgear.

Pad-mount switchgear

Fused sectionalizers

Fused sectionalizers

Ideal when underground distribution systems must be sectionalized with protected taps. SPS fuse gear available through 35kV in single and three phase configurations, for loop feed and radial circuits.

Termination enclosures

Termination enclosures

Free-standing, low-profile and upright termination enclosures available from 600V-38kV up to 6000 Amp. Copper or aluminum bus with built in lug connectors. Metered or non-metered.

Primary metering equipment

Primary metering equipment

Primary metering equipment in both pad-mounted and switchgear-style designs that meet the requirements of electric utility companies and local jurisdiction governing requirements.

The SPS Model

Our process is built on five core principles proven to consistently exceed expectations.

Rapid response and delivery

We’re known for delivering faster than switchgear industry standards.

Custom solutions

We develop highly custom switchgear products as one-off or multiple units.


We’re committed to flexibility during the entire lifespan of a project.

Competitive pricing

We provide cost-effective solutions through efficient manufacturing and sourcing practices.


We never compromise on quality, safety or service.

About us

Learn about our facilities, our commitment to excellence and our WBENC certification.


We’re always looking for passionate people with diverse talents to help power the world.

Contact us

Call us on 920-582-7277 or send us a message with questions or a potential project.