| Company | Category | Area | Address | Web | E-mail | Contact person |
| ASTROVE BUSINESS SUPPORT SVCS | Management Consulting & Softwa | Maryland | 17 WELWYN WAY, ROCKVILLE, Montgomery, Maryland, 20850-2744, USA |
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Robert Astrove |
| ASTROX CORP | Engineers-Consulting | Maryland | 5 N FREDERICK AVE, GAITHERSBURG, Montgomery, Maryland, 20877-2412, USA |
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Ajay Kothari |
| ASTT | Health Information & Referral | Maryland | 431 E BELVEDERE AVE, BALTIMORE, Baltimore City, Maryland, 21212-3036, USA |
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Karen Hanscom |
| ASTWOOD GRAPHICS | Data Processing/preparation | Maryland | PO BOX 383, RANDALLSTOWN, Baltimore, Maryland, 21133-0383, USA |
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Linda Astwood |
