The old High Standard Co.was the manufacturer, they are now out of business..
No, Yildiz and Tristar shotguns are not made by the same company. Yildiz is a Turkish brand known for producing a variety of shotguns, while Tristar is also a Turkish manufacturer but operates independently. Both brands offer a range of shotguns, but they cater to different segments of the market and have distinct product lines.
The answer will be tied to the manufacturer.
Marocchi
Google Finn Classic shotguns by Marocchi are not directly related to Valmet, as they are distinct brands with different histories and offerings. Marocchi is an Italian manufacturer known for its craftsmanship in shotguns, while Valmet is a Finnish company primarily recognized for firearms and military equipment. If you're looking for information on Valmet shotguns specifically, it would be best to focus on Valmet's own products rather than Marocchi's offerings.
Need more info. Which manufacturer & which model??
beretta
Savage Arms is the manufacturer of Springfield Shotguns.
This site has the information you are looking for about Nikko shotguns: http://www.shotgunworld.com/bbs/viewtopic.php?p=9341
Stevens was one manufacturer; Winchester, High Standard, Mossberg, Savage, and to many to list were others.
Champion shotguns were sold by the Champion brand, which is part of the larger firearms manufacturer, the Savage Arms Company. Originally, Champion Arms was a separate entity but eventually became known for its affordable shotguns aimed at both hunters and sport shooters. In addition to shotguns, Champion has also been involved in producing ammunition and shooting accessories.
NORIS appears to have been a firearms manufacturer in Spain who imported shotguns and rifles into the US during the 1960s.