Decomposition Book
Last checked: Oct 22, 2026
The full answer: Is Decomposition Book Made in USA?Verification Summary
American Score
Manufacturing Location
Portland, Oregon
Headquarters
Portland, OR
Founded
1949
Products Verified
5 products
Evidence Breakdown
Factory Location Specificity
Manufacturing region identified
Website Claim
The brand's website says it makes its products in the USA
Manufacturing History
Established record of US manufacturing
Known Overseas Production
No imported lines on record
Verification Notes
Decomposition Books by Michael Roger Inc are printed and manufactured in the USA using 100% post-consumer waste recycled paper with soy-based inks. Website confirms Made in USA. Amazon product listings explicitly state Made in USA on all composition notebooks. Well-known for eco-friendly school and office notebooks with distinctive nature-themed covers.
Brand evidence is re-checked on a rolling cycle
Quick Picks
Manufacturing Profile
Decomposition Book manufactures in Portland, Oregon. Founded in 1949, 77 years ago. The 5 Decomposition Book listings here sit in office & school.
Verification tier
82% average
High: strong brand evidence, usually with product-level origin statements
Factory evidence
Regional
Portland, Oregon
Catalog breadth
5 products
1 category
How we verified Decomposition Book
Most recent check: Oct 22, 2026
From the brand's website
“We use eco-friendly methods and materials for each project and manufacture our products here in the USA whenever possible.”
decomposition.com · checked Oct 2, 2026
Store listings
We read the live store listing for 5 of the 5 Decomposition Book products on this page (most recently Oct 18, 2026). All of them state US origin on the listing itself:
- “Made in USA” on Decomposition Book Honeycomb Composition Notebook College Ruled
- “Made in USA” on Decomposition Book Dinosaurs Composition Notebook College Ruled
- “Made in USA” on Decomposition Book Celestial Composition Notebook
Ongoing monitoring
We scan news for factory closures, offshoring and ownership changes. Last scan Oct 22, 2026: no change found.
These checks are run by our software on a schedule: brand websites are re-read about every three weeks, store listings weekly, and news is scanned monthly. Every flag is checked against its original source before anything on this page changes. How the American Score works.
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Decomposition Book was founded in 1949 and makes the products listed here in Portland, Oregon. The site lists 5 verified American-made Decomposition Book products.
Notebooks with a US origin line
Decomposition Book is the best-known line from Michael Roger, Inc., which calls itself a family-owned and operated company since 1949. The company says it manufactures its products in the USA whenever possible. For the notebooks it is specific: the product pages for both the composition books and the spiral books list country of origin US, along with 100% post-consumer waste recycled paper and soy ink.
The covers are illustrated, with designs like honeycomb, dinosaurs, celestial charts, the Everglades and undersea scenes. The composition books come college ruled, and the coilbound versions lie flat.
The pens are imported
The words "whenever possible" matter for the accessories. The brand's own pages describe Decomposition pens as made in Germany from recycled material. The Decomposition pencils say made in the USA.
If you are buying a Decomposition notebook, composition or spiral, it is a US-made product. For anything else in the stationery line, read the origin line on the product page first.
Frequently Asked Questions
Is Decomposition Book made in the USA?
Yes, for the 5 products listed here. Decomposition Book manufactures in Portland, Oregon. Decomposition Book notebooks are made in the USA from 100% post-consumer recycled paper with soy ink. The brand belongs to Michael Roger, Inc., a family-owned company since 1949. Its pens are made in Germany.
Where is Decomposition Book manufactured?
Decomposition Book is headquartered in Portland, OR. Manufacturing takes place in Portland, Oregon.
What Decomposition Book products can I buy?
The site lists 5 Decomposition Book products in Office & School. Each one links to a store that sells it.
When was Decomposition Book founded?
Decomposition Book was founded in 1949. Decomposition Book notebooks are made in the USA from 100% post-consumer recycled paper with soy ink. The brand belongs to Michael Roger, Inc., a family-owned company since 1949. Its pens are made in Germany.
Where can I buy Decomposition Book products?
Every Decomposition Book product listed here links to a store that sells it, either a large online retailer or the brand's own shop.