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This website presents historical information about 20th-century USA-based businesses merging into and diverging from Thompson Products and Ramo-Wooldridge, collectively known as TRW.

ADS

Wonder how these businesses chose to attract and inform their customers?

BUILDINGS

Where did these businesses conduct their manufacturing, research, sales, and tests?

INTRIGUE

Is it true that every business that has people also has dark sides?

LITERATURE

Study the original brochures, books, catalogs, ephemera, journals, newsletters, and press releases published by these businesses.

MILESTONES

Learn the chronology of important events such as when these businesses were formed, merged, acquired, and renamed.

MUSEUM

Take a virtual tour of rare and significant objects related to these businesses.

PHOTOS

See the places and products these businesses made.

SWAG

Check out how these businesses branded their reputation with collectibles such as buttons, decals, garments, keychains, matchbooks, medals, patches, pins, posters, tools, toys, weights ... basically anything with the company's logo intended to generate name-recognition for their business.

CONTACT

Provide or request information about the subjects presented here.

LINKS

NOTES

This website's content is not copyrighted--its publication is open for the benefit of all interested historians and researchers (the fair use of a copyrighted work for purposes such as scholarship or research is not an infringement of copyright).

"He went through the cities and villages, teaching, and journeying..."--Luke 13:22
Thanks for visiting!
This page was created on January 11, 2026, & last updated on January 24, 2026