Search results for Protective Containers are below:

http://www.pelican.com/

Pelican Products, Inc. continues to reign as the global leader in the design and manufacture of high performance Protective cases, temperature controlled packaging solutions, advanced portable lighting systems and rugged gear for professionals and outdoor enthusiasts alike. Their products are depended on by professionals in the most demanding markets including fire / safety, law enforcement, life sciences, defense / military, aerospace, entertainment, industrial and consumer. -Pelican

◊ Note-> Not all of their products are made in the USA - but some of their products (like their line of 'Protector' Cases) are manufactured in the USA.

https://seahorse.net/

Since 1997, we’ve been manufacturing hard, waterproof Protective cases. From micro cases to large rolling cases, we offer various sizes, configurations and accessories to protect and secure your valuables from impact and damage. Watertight, crush resistant, dust proof. Seahorse cases have been engineered to withstand the elements and ensure that your goods are protected. -Seahorse Protective Equipment Cases

Designed and manufactured at our Southern California facility -Seahorse Protective Equipment Cases