Editing M1 carbine (section)

==Military contractors==
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* Inland Division, [[General Motors]] (production: 2,632,097). Receiver marked "Inland Div." Sole producer of the M1A1 carbine.
* [[Winchester Repeating Arms Company|Winchester Repeating Arms]] (production: 828,059). Receiver marked "Winchester"<ref>''Canfield'', June 2007, p. 37</ref>
* [[Underwood Typewriter Company|Underwood Elliot Fisher]] (production: 545,616). Receiver marked "Underwood"
* Saginaw Steering Gear Division, [[General Motors]] (production: 517,213 ). Receivers marked "Saginaw S.G." (370,490), "Saginaw S'G'" (for weapons manufactured in Grand Rapids) and "Irwin-Pedersen" (146,723 )
* [[John Pedersen (arms designer)|Irwin-Pedersen]] (operated by Saginaw Steering Gear and production included with Saginaw total)
* [[National Postal Meter]] (production: 413,017). Receiver marked "National Postal Meter"
* [[Quality Hardware Manufacturing Corp.]] (production: 359,666). Receiver marked "Quality H.M.C." or "Un-quality" (receivers subcontracted to Union Switch & Signal).
* [[International Business Machines]] (production: 346,500). Receiver marked "I.B.M. Corp." Also barrel marked "IBM Corp"
* [[Standard Products]] (production: 247,100). Receiver marked "Std. Pro."
* [[Rock-Ola|Rock-Ola Manufacturing Corporation]] (production: 228,500). Receiver marked "Rock-Ola"<ref>{{cite web|url=http://www.americanrifleman.org/ArticlePage.aspx?id=1596&cid=7|archive-url=https://web.archive.org/web/20110722050137/http://www.americanrifleman.org/ArticlePage.aspx?id=1596&cid=7|archive-date=22 July 2011|title=Rock-Ola M1 Carbine|access-date=29 October 2015}}</ref>
* Commercial Controls Corporation (production: 239). Receiver marked "Commercial Controls". Formerly National Postal Meter.