| Company | Category | Area | Address | Web | E-mail | Contact person |
| OPEN SOURCE PUBLISHING INC | Business Services Commercial N | Virginia | PO BOX 3752, RESTON, Fairfax, Virginia, 20195-1752, USA |
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Eliot Jardines |
| OPEN SOURCE PUBLISHING INC | Misc Publishing | Virginia | 100 DRY MILL RD SW, LEESBURG, Loudoun, Virginia, 20175-2636, USA |
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| OPEN SOURCE SOFTWARE SOLUTIONS | Custom Computer Programing | Virginia | 3816 CRAIGHILL ST, LYNCHBURG, Lynchburg (City), Virginia, 24502-1308, USA |
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Brian Hutchinson |
| OPEN SOURCE STORAGE INC | Storage-Household & Commercial | California | 1900 WYATT DR, SANTA CLARA, Santa Clara, California, 95054-1529, USA |
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| OPEN SOURCE TECHNOLOGIES LLC | Custom Computer Programming Se | Maryland | 8884 BLADE GREEN LN, COLUMBIA, Howard, Maryland, 21045-2412, USA |
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Edward Kablaoui |
| OPEN SOURCE WIZARDS | Computers-System Designers & C | Massachusetts | 27 FULTON ST, DEDHAM, Norfolk, Massachusetts, 02026-3107, USA |
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Andrew Lewman |
| OPEN SOURCE400 | Unclassified | Washington | PO BOX 99550, LAKEWOOD, Pierce, Washington, 98496-0550, USA |
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