| Frederick County Public Schools |
812 |
| NCI-Frederick |
521 |
| Maryland School for the Deaf |
327 |
| Frederick Community College |
313 |
| Frederick Memorial Healthcare System |
278 |
| Frederick County |
254 |
| Calvert County Public Schools |
194 |
| The City of Frederick, Maryland |
184 |
| Calvert Memorial Hospital |
143 |
| College Of Southern Maryland |
116 |
| Hood College |
114 |
| Aircraft Owners and Pilots Association (AOPA) |
95 |
| US Silica Company |
95 |
| Fugro EarthData Inc |
85 |
| Welocalize |
73 |
| Frederick News-Post |
64 |
| New Wave Technologies |
61 |
| Calvert County, Maryland |
57 |
| Property Management People Inc |
57 |
| Fairchild Controls Corporation |
49 |
| Columbus IT Partner |
45 |
| US Army TATRC |
44 |
| Information Security Solutions, Llc |
44 |
| The American Association for Laboratory Accreditation |
43 |
| Recorded Books Inc |
42 |
| Stulz Air Technology Systems Inc |
38 |
| Mackintosh REALTORS - Stephen Mackintosh |
34 |
| Urbana Elementary School |
33 |
| Dan Ryan Builders |
32 |
| Axiom Systems |
31 |
| Kiddie Academy |
31 |
| National Biodefense Analysis and Countermeasures Center (NBACC) |
31 |
| COLUMBUS IT PARTNER USA Inc. |
30 |
| Shockley Honda |
29 |
| Patriot Technologies, Inc |
29 |
| Music & Arts Center, Inc. |
27 |
| Integrated Communication Solutions, Inc. |
26 |
| DirectMail.com |
26 |
| St John Catholic School |
25 |
| County of Dorchester |
25 |
| PHOENIX MECANO, INC. |
23 |
| Essential Systems Solutions |
22 |
| Alexander Binzel Corp |
22 |
| Morgan-Keller Inc |
22 |
| Beth Sholom Community Center Inc |
21 |
| Frederick Motor Company |
21 |
| Flying Dog Brewery |
20 |
| Frederick County Bank |
20 |
| Ideal Auto Group |
19 |
| CORPOHS |
18 |
| Wisor Telecom |
18 |
| American Computer Development Inc |
18 |
| Frederick YMCA |
18 |
| Way Station, Inc. |
18 |
| Shafer, Troxell & Howe, Inc |
17 |
| Capricorn Pharma Inc |
17 |
| Werres Corporation |
16 |
| Akonni Biosystems |
16 |
| The Pediatric Center of Frederick |
16 |
| GPI |
14 |
| RE/MAX 100 |
14 |
| CROWLEY Micrographics |
14 |
| Direct Mail Lithographers Inc |
14 |
| Visual Analytics |
14 |
| FoodPro Corporation |
14 |
| Bopat Electric Company, Inc. |
14 |
| Matan Development, Lllp |
14 |
| FSK Automotive |
14 |
| The Crowley Company |
14 |
| Frederick Prmry Care Associates PA |
14 |
| CaerVision |
13 |
| ImQuest BioSciences, Inc |
13 |
| Augmentation Inc. |
13 |
| Woodsboro Bank |
13 |
| Calvert Hospice |
13 |
| Marsh-mc Birney Inc |
13 |
| HomeCare Rehab and Nursing |
13 |
| service coordination |
13 |
| Carter Control Systems |
12 |
| ExpoExchange |
12 |
| IMMERSION ACTIVE Inc. |
12 |
| Carmack Insurance Group |
12 |
| National Society of Professional Surveyors |
12 |
| Georgetown Insurance Service, Inc. |
12 |
| BlueRidge Bank |
12 |
| Service Glass Industries Inc |
11 |
| KTL Solutions |
11 |
| Grove Resource Solutions, Inc |
11 |
| Ethridge Quinn McAuliffe Rowan & Hartinger |
10 |
| Love & Co |
10 |
| CAI/SISco |
10 |
| Frederick Brick Works |
10 |
| Smartnet Inc |
10 |
| En-Net Services |
10 |
| Western Services Corporation |
10 |
| saintjohnsprep |
10 |
| Kramer Financial |
10 |
| Whitesell's Pharmacy |
9 |
| Comsource |
9 |
| Fortrex Technologies, Inc. |
9 |
| Office Movers Inc |
9 |
| Frederick Magazine |
9 |
| Airborne Law Enforcement Association, Inc. |
9 |
| Hi-Tech Fasteners Inc |
9 |
| Batching Systems Inc |
9 |
| Regent Education, Inc. |
9 |
| Monocacy Home Mortgage |
9 |
| Frederick Mental Health Assn |
9 |
| MerLion Pharmaceuticals Pte Ltd |
9 |
| Texcell NA |
8 |
| Phoenix Mecano Inc |
8 |
| Altek Information Technology Inc |
8 |
| Banner School |
8 |
| Signature Special Event Services |
8 |
| Frederick Magazine |
8 |
| Cpf Underground Utilities |
8 |
| Frederick Keys |
8 |
| Frederick Nissan |
8 |
| Professional Surveyor |
8 |
| Frederick Mutual Insurance Co. |
8 |
| clagett Enterprises |
8 |
| Equipment Development Company Inc |
8 |
| Specialized Engineering |
8 |
| Tranquility at Fredericktowne |
8 |
| woodst |
8 |
| Severn Oconnor and Kresslein PA |
8 |
| Frederick Oncology Hematology Associates, PC |
8 |
| Maryland State Police |
7 |
| American Microwave Corporation |
7 |
| GlobalLearningSystems |
7 |
| WSi Solutions |
7 |
| Commercial Marketing Associates |
7 |
| Frederick Christian Fellowship |
7 |
| Real Estate Teams |
7 |
| Standard Equipment Co |
7 |
| Evangelical Reformed Church |
7 |
| Mc Cutcheon Apple Products |
7 |
| Microbiology International |
7 |
| MacRo, Ltd., Real Estate Services |
7 |
| Alban Home Inspection Service Inc |
7 |
| Interfaith Housing Alliance |
7 |
| Intervid, Inc. |
7 |
| Wright Manufacturing, Inc. |
7 |
| Computer Enhancement Systems, Inc. |
7 |
| Frederick County Chamber of Commerce |
7 |
| Insurance First |
7 |
| tate chrysler frederick inc |
7 |
| Powell Insurance Agency |
7 |
| FMA Direct |
7 |
| The Common Market |
7 |
| Goodwill Industries of Monocacy Valley, Inc. |
7 |
| The Arc of Southern Maryland |
7 |
| Mackintosh Inc., REALTORS |
7 |
| Vaccinogen |
7 |
| UR Solar Power |
6 |
| DynPort Vaccine Company, LLC |
6 |
| BioElectronics Corporation |
6 |
| Comprehensive Neurology/Sleep |
6 |
| 270net Technologies |
6 |
| Bach |
6 |
| Management Recruiters of Frederick |
6 |
| Mattress Warehouse, Inc. |
6 |
| Acela Technologies, Inc. |
6 |
| Marketing & Research Resources |
6 |
| Marrick Properties Inc |
6 |
| Connelly & Assoc |
6 |
| Rose & Krieger |
6 |
| Pitcrew |
6 |
| RCI Custom Products |
6 |
| SABiosciences Corporation |
6 |
| Parlights |
6 |
| Hildebrand, Limparis & Associates, CPA's, PC |
6 |
| Frequentis Defense, Inc. |
6 |
| Default Resource |
6 |
| e-EndUSA |
6 |
| Chesapeake Conference Associat |
6 |
| Linton Shafer Warfield |
6 |
| Custom Glass Services Inc |
6 |
| Frederick Rescue Mission, Inc. |
6 |
| Boyle and Biggs PA |
6 |
| Oak Hill Properties |
6 |
| Mid Maryland Oral Maxillofac |
6 |
| Trinity United Methodist Church |
6 |
| Monocacy Neurodevelopmental Center |
6 |
| ITeleHealth, Inc |
6 |
| KMM Technologies, Inc. |
6 |
| Rudderhow, Hill & Assocites |
5 |
| Syngene |
5 |
| Wholesalers USA inc. |
5 |
| Home Energy Team |
5 |
| Aspen Grove |
5 |
| Maranatha Community Church |
5 |
| Richard M Johnson & Assoc Inc |
5 |
| R&J Builders Inc. |
5 |
| Delaplaine Visual Arts Center |
5 |
| Prince Frederick Ford Mercury |
5 |
| Gran Tops |
5 |
| Miscellaneous Metals Inc |
5 |
| Wormald Condominium Co |
5 |
| Diesel Technology Forum |
5 |