Interstate Power Systems

Diesel engine repair shop in Rockford, Illinois that installs generators and handles emergency generator repair and on-site generator service.

What they do

Interstate Power Systems is a diesel engine repair shop in Rockford, Illinois, with generator work as one of its main lines. It installs generators and offers preventative maintenance, along with emergency generator repair for units that fail during an outage. Service covers several makes, including Cummins and mtu, and technicians can be dispatched to a site for maintenance, diagnostics and repair. Load bank testing and inspections are also offered so generators can be checked before they are needed. The business also handles air conditioning work and Carrier equipment, and has a location in Davenport.

Source: powersystems.istate.com (opens in a new tab)

  • Generator installs

Listed under Backup power

Where they work

Quad Cities (Davenport), IowaRockford, Illinois

What we checked

Checked 12 Nov 2026, from public sources.

Not yet verified. We haven’t contacted this business yet. Ask for a written quote before work starts.

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