mfr or mfg “Mfr.” is the abbreviation for “manufacturer” and “mfg.” is the abbreviation for “manufacturing.” Acme Mfg. Co. is a mfr. of roadrunner traps. Facebook Twitter Google + Do you make these 10 mistakes? stood vs stayed below table vs table below tooken vs took vs taken extend vs extent weiner vs wiener seam vs seem gaurd vs guard submittal vs submission in tact vs intact greatful vs grateful