| Company | Category | Area | Address | Web | E-mail | Contact person |
| OPTIMAL SYNTHESIS INC | Comp Sftwre & Acc | California | 868 SAN ANTONIO RD, PALO ALTO, Santa Clara, California, 94303-4622, USA |
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P K MENON |
| OPTIMAL SYNTHESIS INC | Computer Software | California | 868 SAN ANTONIO RD, PALO ALTO, Santa Clara, California, 94303-4622, USA |
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| OPTIMAL SYSTEMS CORP | Computer Software | Ohio | 1011 SANDUSKY ST # T, PERRYSBURG, Wood, Ohio, 43551-3126, USA |
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Mike Sarieh |
| OPTIMAL SYSTEMS RESOURCES | Custom Computer Programing | Illinois | 2143 FELDOTT LN, NAPERVILLE, Du Page, Illinois, 60540-9212, USA |
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Basharat Laghari |
| OPTIMAL SYSTEMS SERVICES | Computer Maintenance/repair | New Jersey | 1090 KING GEORGES POST RD, EDISON, Middlesex, New Jersey, 08837-3701, USA |
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Ben Varricchio |
| OPTIMAL SYSTEMS SVC | Computers-Support Services | Michigan | 3959 GRANT RD, ROCHESTER HLS, Oakland, Michigan, 48309-4133, USA |
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