 | FreePatentsOnline.com | Ellicott City, maryland, united states | - | - | 2005 | |
 | the bob & ronna group | ellicott city, maryland, united states | - | real estate | 2002 | |
 | islamic leadership institute of america (ilia) | ellicott city, maryland, united states | - | professional training and coaching | 2009 | |
| cambridge healthcare | ellicott city, maryland, united states | - | hospital and health care | 2010 | |
| howard county library system | ellicott city, maryland, united states | - | libraries | 1940 | |
| classic remodeling, inc. | ellicott city, maryland, united states | - | construction | 1997 | |
| rjm engineering, inc. | ellicott city, maryland, united states | - | civil engineering | 1991 | |
| capsec llc | ellicott city, maryland, united states | - | computer and network security | - | |
| ponte technologies | ellicott city, maryland, united states | - | computer and network security | 2007 | |
| elevations design solutions by myers | ellicott city, maryland, united states | - | design | 2016 | |
| daro consulting | ellicott city, maryland, united states | - | management consulting | 2014 | |
| the law office of harry b. siegel, llc | ellicott city, maryland, united states | - | law practice | 1990 | |
| indigopark inc | ellicott city, maryland, united states | - | venture capital and private equity | - | |
| pam long photography | ellicott city, maryland, united states | - | individual and family services | - | |
| first real estate management | ellicott city, maryland, united states | - | accounting | - | |
| barnard consulting | ellicott city, maryland, united states | - | human resources | - | |
| pulte home | ellicott city, maryland, united states | - | warehousing | - | |
| melroy plumbing & heating inc. cooling and hearth | ellicott city, maryland, united states | - | - | - | |
| national capital healthcare executives | ellicott city, maryland, united states | - | - | - | |
| signatures hair salon | ellicott city, maryland, united states | - | - | - | |
