Solved -PJ693- MM racing car bodied by Bonora, around 1939

[nicanary]

Was it built by an Italian company more famous for making something non-automotive?

[Paul Jaray]

Was it built by an Italian company more famous for making something non-automotive?

Exactly!

[nicanary]

Aeronautical?

[Paul Jaray]

Nope...

[nicanary]

Household electrical goods?

[Paul Jaray]

Closer to cars and airplanes than electrical goods.

[nicanary]

Closer to cars and airplanes than electrical goods.

Motor cycles?

[Paul Jaray]

Yes!

[nicanary]

Moto Guzzi ?

[Paul Jaray]

Not Moto Guzzi.

[nicanary]

Benelli?

[Paul Jaray]

Not Benelli.

[nicanary]

Garelli?

[Paul Jaray]

Not Garelli.

[nicanary]

Does the company still exist?

[Paul Jaray]

No, it doesn't.

[nicanary]

Are you the only person on AP tonight? 

Fusi?

[Paul Jaray]

I'll leave soon ...
Not Fusi.

[nicanary]

I've researched the usual list of former marques, and there aren't too many which were still around at that time which weren't also car makers or aircraft makers.

Della Ferrera?

[Paul Jaray]

Not that.

[nicanary]

Malaguti?

[Paul Jaray]

Not Malaguti.

[nicanary]

Surely not Laverda?

[Paul Jaray]

Not Laverda.

[nicanary]

I've finished my list of companies which no longer exist but were active in 1939, and had no connections to the car or aero industries.

Long shot - Aermacchi?