| West Pharmaceutical Services, Inc. |
243 |
| Bentley Systems, Incorporated |
239 |
| Analytical Graphics, Inc. |
194 |
| ViroPharma Incorporated |
97 |
| Sartomer Company, Inc. |
93 |
| Adolor Corporation |
72 |
| Kensey Nash Corporation |
56 |
| Nth Consultants Ltd |
47 |
| AFS (Automated Financial Systems) |
45 |
| TW Metals, Inc. |
45 |
| Graco Children's Products Inc. |
44 |
| Dopaco, Inc. |
44 |
| Society of Cable Telecommunications Engineers Inc. |
42 |
| Kidde Fire Fighting |
40 |
| iPipeline, Inc. |
33 |
| Chester County Economic Development Council |
27 |
| Absorption Systems |
26 |
| Roehrs |
26 |
| Innovative Solutions & Support, Inc. |
25 |
| IFM Efector Inc |
25 |
| Isolagen, Inc. |
24 |
| Scala, Inc. |
24 |
| WPCS International Incorporated |
23 |
| Avanceon |
22 |
| 3SI Security Systems |
21 |
| Morphotek, Inc. |
21 |
| Protection Bureau |
21 |
| Malvern Federal Savings Bank |
19 |
| CAP Index Inc |
17 |
| Basler Vision Technologies |
17 |
| Hankin Group |
16 |
| Datastrip Inc. |
15 |
| All Fill Inc |
15 |
| Laser Technologies |
14 |
| Elite Group |
14 |
| Chester County Library System |
14 |
| Adelphia Graphic Systems |
13 |
| Waterloo Gardens, Inc. |
13 |
| Precimed |
13 |
| Defense Solutions Holding, Inc. |
13 |
| Springhouse Education |
12 |
| New Era Tickets |
12 |
| 1 Source Safety and Health, Inc. |
12 |
| Cimquest |
12 |
| Freedom Medical, Inc. |
11 |
| Omega Design Corp |
11 |
| Vaughan Duffy & Connors Llp |
11 |
| HSC Builders & Construction Managers |
11 |
| First Resource Bank |
11 |
| Micron Technologies Inc. |
10 |
| Residential Systems Design |
10 |
| Faiveley Transport USA, Inc. |
10 |
| Secude Global Consulting |
10 |
| Live Link TV |
10 |
| Datastrip Inc |
9 |
| Uwchlan Ambulance Corps |
9 |
| Melior Discovery |
9 |
| Realtime Technologies Inc |
8 |
| MCCS |
8 |
| Acceletronics |
8 |
| General Air Products |
8 |
| Brilliant Graphics |
8 |
| Lionfield Technology Solutions Ltd. |
7 |
| Education Management Solutions |
7 |
| Othera Pharmaceuticals, Inc |
7 |
| Boy Machines Inc. |
7 |
| Cascor Inc |
7 |
| Lionville Systems |
7 |
| Inn at Chester Springs, The |
7 |
| Momenee and Associates Inc |
7 |
| Brennan's Office Interiors |
7 |
| PMC BioTec |
7 |
| arconcepts |
7 |
| Pearl Software Inc. |
6 |
| Hunter |
6 |
| All-Tech Marketing, Inc. |
6 |
| Omega Flex Inc. |
6 |
| Market Point, Inc. |
6 |
| National Penn Bancshares Inc |
6 |
| Chester County Intermediate Unit |
5 |
| Croft, Drozd and Company |
5 |
| Arena, Snyder, Rothschild, Theis & Dunlap LLP |
5 |
| Smart Business Credit |
5 |
| Accountable Software |
5 |
| Curatio CME |
5 |
| Brandywine Coach Works |
5 |
| Magnus International Group |
5 |
| Valley Forge Tape and Label |
5 |
| Valley Instrument |
5 |
| PAC Strapping Products, Inc. |
5 |
| UCS Solutions |
5 |
| National Freight Transportation Association |
5 |
| Catholic Leadership Institute |
5 |
| KNOTT CAPITAL MANAGEMENT |
5 |
| Home Marketsite |
5 |
| Ternary Software, Inc. |
4 |
| Penn 1st Financial Services |
4 |
| Northlight Advertising Inc |
4 |
| Chester County Futures, Inc. |
4 |
| Glaser-Miller Co. |
4 |
| Total Site Development Inc |
4 |
| Dubose National Energy Svcs |
4 |
| Professional Underwriters |
4 |
| DataCore Technology |
4 |
| American Association of Teachers of Spanish and Portuguese |
4 |
| Rouse/Chamberlin Homes |
4 |
| U M A C, Inc. |
4 |
| American Hospital Service Group Inc |
4 |
| Objective Systems, Inc. |
4 |
| Metal Finishing Systems Inc |
4 |
| My Service Force |
4 |
| Ace Cad Software Inc |
4 |
| Philadelphia Protection Bureau |
4 |
| VideoRay LLC |
4 |
| Elite Brokerage Services, Inc. |
4 |
| Quality Management International |
4 |
| Computer Tots |
4 |
| BlueCielo ECM Solutions |
4 |
| Advantage Financial Funding |
4 |
| Marco Fire Suppression |
3 |
| Qual Tech Inc |
3 |
| Sloan Ford |
3 |
| Tooke & Smith Consultants |
3 |
| Falcon Consulting Group |
3 |
| Software Logic |
3 |
| Equal Diagnostics |
3 |
| Syandus Inc |
3 |
| Exton Nursery School |
3 |
| Pamir Electronics |
3 |
| Ussc Group Inc |
3 |
| MBA Design & Display Inc |
3 |
| YMCA |
3 |
| ALTEK-MDY, L.L.C. |
3 |
| Koenig Engineering Inc |
3 |
| Automated Currency Instruments , Inc. |
3 |
| Lionville Laboratory Incorporated |
3 |
| Pennsylvania Surplus Lines Association |
3 |
| Wentzel Tom Co Inc |
3 |
| Intech Group Inc, The |
3 |
| Mcsradio |
3 |
| Peck Marketing Group, Inc. |
2 |
| Adult Care Of Chester County |
2 |
| Bearings Belts |
2 |
| XL Environmental |
2 |
| Help-Now.Com |
2 |
| Genesis Packaging Technologies |
2 |
| Navigator Resources |
2 |
| LS Holdings |
2 |
| Advanced Product Design |
2 |
| WebResller.Net |
2 |
| International Envelope Co |
2 |
| Roussey Associates |
2 |
| Test Products Inc |
2 |
| GRAPHEX |
2 |
| Creative Science Solutions Inc |
2 |
| Compass Technologies |
2 |
| Studio EEC |
2 |
| Biovision Technologies |
2 |
| Cell-Con Inc |
2 |
| Training Specialties Inc |
2 |
| DGH Technology, Inc. |
2 |
| Applied Defense Solutions, Inc |
2 |
| Circa Healthcare |
2 |
| Times |
2 |
| Ever Scientific |
2 |
| Safe Shelter Environmental |
2 |
| Grade Finders, Inc. |
2 |
| F S Welsford Company |
2 |
| Adelphia Graphic Systems, Inc |
2 |
| Engineered Gas Systems LLP |
2 |
| American Hospital Service Group |
2 |
| Keystone Engineering Group, Inc. |
2 |
| Shannon Chemical Corp |
2 |
| Integrated Graphics |
2 |
| National Mail Graphics Corp |
2 |
| Chester County Disability Svc |
2 |
| The Rigg Darlington Group |
2 |
| SMS Valuation & Forensic Services, LLC |
1 |
| Schoolneider Communication Inc. |
1 |
| ACE Technology Group |
1 |
| Pennsylvania Engineering Co |
1 |
| Ball & Ball |
1 |
| Lionville Natural Pharmacy and Health Food Store |
1 |
| Striking Changes |
1 |
| Women's Referral Network of Chester County |
1 |
| Century Kitchen & Bath Inc |
1 |
| NETZSCH Incorporated |
1 |
| Dynasty Limousine |
1 |
| Automated Distribution Technologies, Inc. |
1 |
| American Land Recycling |
1 |
| Envinta |
1 |
| Rheologics, Inc. |
1 |
| Heritage Financial Systems |
1 |
| Hunt Auctions Inc |
1 |
| Industrial Dynamics |
1 |
| R K Strong & Assoc |
1 |
| Star-Byte Inc |
1 |
| Moktan Dental Care LLC |
1 |
| Technology Management Group |
1 |
| Eneri Communications |
1 |
