C-Line Products
Last verified: April 2026
Read our full verification: Is C-Line Products Made in USA?Verification Summary
American Score
Manufacturing Location
Mount Prospect, IL
Headquarters
Mount Prospect, IL
Founded
1948
Products Verified
5 products
Evidence Breakdown
Factory Location Specificity
Specific factory city identified
Website Claim
Brand website explicitly claims Made in USA
Manufacturing History
20+ years of USA manufacturing
Known Overseas Production
No known overseas production
Verification Notes
C-Line Products has manufactured office organizational products in Des Plaines, Illinois since 1948. All sheet protectors, report covers, and organizational supplies made in the USA. Company has never moved manufacturing overseas.
Last verified: April 2026
C-Line Products has been manufacturing products in Mount Prospect, IL since 1948. We carry 5 verified American-made C-Line Products products.
Heritage & History
C-Line Products was founded in 1948 in Des Plaines, Illinois, just outside Chicago, as a manufacturer of plastic office supply products. The company built its reputation on product quality that outperformed the competition: sheet protectors that didn't yellow with age, report covers with secure-but-not-destructive binding, name badge holders with professional finishes.
C-Line has maintained its Des Plaines manufacturing for over 75 years — an unusual commitment in a category where most competitors moved production to Asia in the 1990s.
Made in Des Plaines, Illinois
All C-Line Products are manufactured in Des Plaines, Illinois, using American-sourced plastic resins and materials. The company extrudes, cuts, and assembles its sheet protectors, report covers, badge holders, and filing products entirely at the Illinois facility.
C-Line sheet protectors are made from polypropylene — a material that stays clear over time rather than yellowing like PVC alternatives. For organizations that buy office supplies in volume and care about both product quality and domestic sourcing, C-Line Products provides 75+ years of Des Plaines manufacturing. Quality office products made in Illinois.
Quick Picks
Frequently Asked Questions
Is C-Line Products made in the USA?
Yes. C-Line Products manufactures 5 verified products in Mount Prospect, IL. C-Line Products has manufactured office organizational products in Des Plaines, Illinois since 1948 — sheet protectors, report covers, badge holders, and filing supplies produced in the USA with American materials by a company that has never moved manufacturing overseas.
Where is C-Line Products manufactured?
C-Line Products is headquartered in Mount Prospect, IL. Manufacturing takes place in Mount Prospect, IL.
What C-Line Products products can I buy?
We carry 5 verified C-Line Products products across Office & School. Every listing links directly to Amazon with verified American manufacturing.
When was C-Line Products founded?
C-Line Products was founded in 1948. C-Line Products has manufactured office organizational products in Des Plaines, Illinois since 1948 — sheet protectors, report covers, badge holders, and filing supplies produced in the USA with American materials by a company that has never moved manufacturing overseas.
Does C-Line Products ship from Amazon?
Yes, all C-Line Products products listed here are available on Amazon with free shipping for Prime members.