I think this is best explained by Remington, they have a history page on their website I'll add a related link that will get you there...
Firearms safety, ethics, responsibility, history
As of October 2023, Remington Firearms is owned by Remington Outdoor Company, which was acquired by Roundhill Group, a firearms investment firm, in 2020. The company had previously filed for bankruptcy and restructured its operations before being purchased. Remington Firearms has a long history in the firearms industry, known for producing a variety of rifles, shotguns, and ammunition.
Go to Remington's web site and look under their Firearms History section.
Remington's web site has a history section on its firearms that will help you.
Legend has it that Eliphalet Remington made his first barrel in 1816... The Remington Company has a history page that explains this is detail with all the owners, transitions, and all. If you really interested in Remington Firearms you should also consider visiting the Remington Society of America... http://www.remingtonsociety.com == Here is the link to Remington's history page. http://www.remington.com/library/history/company_history.asp
That would be Remington
Remington serial numbers are unique identifiers engraved on firearms produced by the Remington Arms Company. They are typically used to trace the history, ownership, and manufacturing details of a firearm. The format and location of the serial number can vary depending on the model and year of production. For specific inquiries about a particular Remington firearm, you can often refer to Remington's official resources or consult a firearms expert.
Remington's web site.
Remington
Remington Arms Company was founded in 1816 by Eliphalet Remington in Ilion, New York. Initially, it started as a manufacturer of rifles, and over the years, it expanded its product line to include shotguns, handguns, and ammunition. The company has a long history of innovation in firearms and is one of the oldest continuously operating firearms manufacturers in the United States.
Remington firearms were first produced in 1816. Remington is the oldest company in the United States that still produces its original product. Remington is also the oldest manufacturer that has operated continuously in North America.
Remington bought them.