So many manufactures coming out with the late great Colt 1911. A.J. Savage (US gov't contract 1919, made slides only)
American Classic
American Tactical
A&R Sales
AMT
Armi Dallera Custom (ADC)
Armscor
Astra
ATI
Australian Precision Arms
Auto Ordnance
Briley
Brixia
Brolin Arms
Browning (reduced-size .22 and .380 copies)
Bunker Arms
Cabot
Carolina Arms
Caspian (slides and frames only)
Charles Daly
Christensen Arms
Cimarron
Citadel
CO Arms
Colt (commercial and US/foreign gov't contract from 1911 to present day)
Chiappa (.22LR 1911 copy)
Crown City
Cylinder & Slide
CZ USA
Dan Wesson
Detonics
Devel
Dlask Arms
D&L Sports
Double Star
Ed Brown
EMF
Essex (slides and frames only)
Federal Ordnance
Falcon
Firestorm
Freedom Arms
Fusion
Gemini Custom
Girsan
Griffon Combat
GSG (.22LR 1911 copy)
Guncrafter Industries
Gunsite
Hero Guns
High Standard
Imbel
Imperial Defense
Infinity
Inland Manufacturing
Interstate Arms (Regent)
Irwindale Arms Industries (IAI)
Israeli Arms Industries (also called IAI)
Ithaca (new business located in Sandusky, OH)
Ithaca (old NY-based company, made pistols under US gov't contract 1943-1945)
Iver Johnson
Karl Lippard
Kimber
Kongsberg (M/1914 pistol manufactured in Norway under Colt license)
LAR
Les Baer
Llama
Lone Star
Magnum Research (Bul)
Maximus Custom
Metro Arms
Michigan Armament
Mitchell
MP Express
Nighthawk
Norinco
North American Arms Co. Ltd. (US gov't contract in 1918, ~100 pistols assembled but not delivered)
Nowlin
Palmetto State Armory
Para Ordnance/Para USA
Pistol Dynamics
Olympic Arms
Omega Defense
Oriskany Arms
Peter Stahl
Randall
Ranger
Reeder Custom
Regent
Remington Arms (current business)
Remington Rand (made pistols under US gov't contract 1942-1945, not affiliated with Remington Arms or Remington-UMC)
Remington-UMC (US gov't contract 1918-1919) NOTE: ~1000 replicas were made by Remington Arms and Turnbull in 2014)
Republic Forge
Roberts Defense
Rock Island Armory
Rock River Arms
Ruger
Safari Arms
S.A.M
Salient Arms
Sarco
Schroeder Bauman
Shooters Arms (Philippines)
Sig Sauer
Singer (US gov't contract, 500 pistols produced in 1941)
Sistema (aka D.G.F.M.-F.M.A.P.) (M1927 pistol manufactured in Argentina under Colt license)
Smith & Wesson
South Fork Arms/Perkins Custom
Springfield Armory (former military arsenal in MA, made M1911s from 1914-1917 under US gov't contract)
Springfield Armory (commercial business established in 1974, not associated with above)
STI
SVI
Tanfoglio
Taurus
Taylor & Co.
TİSAŞ
Turnbull Mfg.
Unertl
Union Switch & Signal (US gov't contract, 1943)
Uselton/Ultimate Arms
USFA
Walther/Umarex (.22LR 1911 copy)
Wilson Combat
Vega (frames only)
Valtro
Victory Arms
Volkman
Still more...