Azalea Software Inc.
   Publishes bar code software that creates Code 39, PDF 417, Code 128, UPC, EAN, Interleaved 2 of 5, and other barcode symbols. Bar code fonts work under Microsoft Windows, Macintosh, UNIX, and other platforms.
   http://www.azalea.com/

Bar Codes from Bitstream Inc.
   A collection of bar code fonts available for both TrueType and PostScript Type 1 formats, for Windows and Macintosh operating systems.
   http://www.bitstream.com/categories/products/fonts/barcode/index.html

BarFonts
   Collection of PostScript Type 1 fonts for printing bar codes, available under the GNU General Public License. The fonts consist of bars only, there is no human readable text along with the bars.
   http://www.karrman.org/barfonts/

BarcodeSoft Fonts
   Publishes barcode fonts and MICR fonts for cheque printing.
   http://www.barcodesoft.com/

BizFonts.com
   Bar code fonts including Code 39, Code 128, EAN and UPC. High density barcode fonts such as PDF417 and DataMatrix are also available. Free downloads.
   http://www.bizfonts.com/

Carolina Barcode
   Code 2 of 5 Primer and Extended Code 3 of 9 fonts for Macintosh or TrueType format. Demo available.
   http://www.carolinabarcode.com/

ConnectCode Barcode Fonts
   Develops and markets barcode fonts that supports the I2of5, UPCEAN, Code128, Code39 and UCCEAN barcodes.
   http://www.barcoderesource.com/

Elfring Soft Fonts, Inc.
   Developer of a wide range of barcode TrueType and LaserJet fonts for use under DOS, Windows and Unix. Trial packages available for download.
   http://www.elfring.com/

Free Code 39 font
   Free Code 39 true type bar code font. This font supports the 43 characters of the Code 39 symbology.
   http://www.zbausa.com/free.asp

FreeFloat Barcode Package
   Barcode package includes the following symbologies Code 39, Code 128 (UCC/EAN-128), Standard 2 of 5, Interleaved 2 of 5, and Codabar.
   http://www.freefloat.com/index.php?show=698_SWE

I Shot the Serif - Free 3 of 9
   Completely free Code 39 font includes all ASCII characters.
   http://www.squaregear.net/fonts/free3of9.shtml

IDAutomation TrueType Fonts
   An easy to use package of TrueType Barcode, MICR and OCR fonts.
   http://idautomation.com/fonts/fontpackage/

Kanecal
   Offers symbols used in drafting/blueprint callouts. Geometric Dimensioning and Tolerancing (GD&T) symbols (with Feature Control Frames) plus Statistical Process Control (SPC) symbols. Barcodes for government shipments and Quality symbol fonts.
   http://www.kanecal.net/

Morovia Corporation
   Monterey Barcode Creator support all major barcode formats, including UPC, EAN, code 39 and even Postnet barcodes. Code 39 font is completely free.
   http://morovia.com/

TrueType Barcode Font Library
   Distributor of TrueType barcode fonts. This font library supports Code 39, Interleaved 2 of 5, Code 128, UPC and EAN barcode.
   http://www.hallogram.com/barcodes/bcfonts/