| United States Patent and Trademark Office |
2,160 |
| Public Broadcasting Service |
290 |
| United Way of America |
288 |
| Flight Safety Foundation |
259 |
| American Diabetes Association |
241 |
| McEnearney Associates |
237 |
| City of Alexandria, Virginia |
214 |
| AvalonBay Communities, Inc. |
174 |
| Society for Human Resource Management |
168 |
| Oblon, Spivak, McClelland, Maier |
161 |
| Alexandria City Public Schools |
122 |
| American Academy of Physician Assistants |
117 |
| ADL-Co Labs |
113 |
| USA Mobility Inc. |
113 |
| Institute for Defense Analyses |
112 |
| National Community Pharmacists Association (NCPA) |
111 |
| PIA/GATF Washington Office |
107 |
| American Society for Training |
101 |
| Volunteers of America, Inc. |
93 |
| Re/Max Horizons |
92 |
| Washington Speakers Bureau |
90 |
| American Physical Therapy Association |
89 |
| Robbins-Gioia, LLC |
88 |
| National Association of Convenience Stores |
88 |
| National School Boards Association |
81 |
| National Association of Chain Drug Stores |
81 |
| National Credit Union Administration |
79 |
| Homefirst Mortgage Corp |
79 |
| Construction Specifications Institute |
77 |
| American Society of Clinical Oncology |
74 |
| 5 Star Bank |
74 |
| Association for Supervision |
73 |
| Advanced Solutions International, Inc. |
71 |
| American Association of Airport Executives |
68 |
| Jane's Information Group |
66 |
| CNA Corporation |
65 |
| Command Information |
65 |
| The Motley Fool, Inc. |
61 |
| CPA Global |
61 |
| National Association of Elementary School Principl |
60 |
| Water Environment Federation |
58 |
| International Association of Chiefs of Police |
58 |
| Agentrics, LLC |
58 |
| Spectrum Group |
58 |
| VSE Corporation |
57 |
| CAI |
57 |
| Association For Career And Technical Education |
57 |
| DCS Corporation |
56 |
| National Hospice & Palliative Care Organization (NHPCO) |
56 |
| Calibre Systems |
55 |
| National Business Travel Association (NBTA) |
55 |
| Independent Insurance Agents and Brokers of America, Inc. |
54 |
| Burke |
53 |
| American Statistical Association |
53 |
| Systems Planning & Analysis, Inc. |
53 |
| National Society of Black Engineers |
53 |
| Biologics Consulting Group, LLC |
50 |
| Boat US (Boat Owners Association of The United States) |
50 |
| American Society of Consultant Pharmacists ASCP |
49 |
| American Counseling Association ACA |
49 |
| American Staffing Association |
49 |
| Catholic Charities USA |
48 |
| National Center for Missing and Exploited Children |
48 |
| Casals & Associates Inc |
48 |
| MPR Associates, Inc. |
47 |
| Pentagon Federal Credit Union |
47 |
| Chenega Technology Services |
46 |
| American Academy of Otolaryngology-Head and Neck Surgery, Inc. |
46 |
| National Industries for the Blind |
45 |
| American Optometric Association AOA |
45 |
| Armed Forces Benefit Association |
44 |
| The Onyx Group |
43 |
| American Geological Institute |
43 |
| Professional Engineers In Private Practice |
43 |
| International Association of Amusement Parks and Attractions |
42 |
| Earth Force Inc |
42 |
| Oliff Berridge |
42 |
| thevisioncouncil |
42 |
| ASIS International |
40 |
| Special Libraries Association |
40 |
| MOAA - Military Officers Association of America |
40 |
| National Association of Childrens Hospital |
38 |
| Mc Williams Ballard Inc |
38 |
| National Trade Productions Inc |
36 |
| Bowhead |
36 |
| Club Managers Association of America |
36 |
| TranTech |
35 |
| Health Industry Distributors Association (HIDA) |
35 |
| Halifax Corporation |
35 |
| Dimensions International, Inc. |
35 |
| Teachers of English Speakers of Other Languages, Inc. (TESOL) |
35 |
| SureScripts |
34 |
| Plexus Scientific Corporation |
34 |
| National Beer Wholesalers Association |
33 |
| Land Design Inc |
33 |
| The Society of American Military Engineers |
32 |
| BIPC |
32 |
| MENTOR/National Mentoring Program |
32 |
| Helicopter Association International |
32 |
| Strategic Management Systems Inc |
31 |
| TWD |
31 |
| Water Environment Research Foundation |
31 |
| Flight |
31 |
| ServiceSource Network |
30 |
| APPA (Association of Higher Education Facilities Officers) |
29 |
| State Department Federal Credit Union |
29 |
| CTAM - Cable & Telecommunications Association for Marketing |
29 |
| Association of Clinical Research Professionals |
29 |
| PCIA -- The Wireless Infrastructure Association |
29 |
| Entrepreneurs' Organization |
29 |
| John Marshall Bank |
29 |
| GeoLogics Corporation |
28 |
| Episcopal High School |
28 |
| AirPlus International |
28 |
| Columbia Capital |
27 |
| ipma-hr |
27 |
| American College of Health Care Administrators |
27 |
| SENTEL Corporation |
27 |
| Close Up Foundation |
27 |
| Alexandria Toyota |
27 |
| Water Management Inc. |
27 |
| Academy of Managed Care Pharmacy |
27 |
| Red Peg Marketing |
27 |
| Mental Health America |
27 |
| Society of Competitive Intelligence Professionals |
26 |
| Avineon, Inc. |
26 |
| Democracy Data |
26 |
| International Sign Association |
26 |
| National Stone, Sand & Gravel Association |
26 |
| Modern Technology Solutions, Inc. |
26 |
| Association of Government Accountants |
25 |
| Marketing General Incorporated |
25 |
| Nata |
25 |
| National Association of Professional Insurance Agents |
25 |
| Mark Winkler Company |
25 |
| Commonwealth Trading Partners, Inc. (CTP) |
25 |
| National Accrediting Commission of Cosmetology Arts and Sciences |
25 |
| Fishbowl Marketing |
24 |
| Burke |
24 |
| Global Analytic Information Technology Services, Inc. |
24 |
| National Association of Retired Federal Employee |
24 |
| School Nutrition Association |
23 |
| VIPdesk.com, Inc. |
23 |
| National Sheriffs' Association |
23 |
| Goodwin House Foundation |
22 |
| Forum One Communications |
22 |
| American Moving |
22 |
| Priority One Services Inc |
22 |
| EEI Communications |
22 |
| O'Keeffe |
21 |
| Security Industry Association |
21 |
| VT Systems, Inc. |
21 |
| YellowBrix, Inc. |
21 |
| Gifts in Kind International |
21 |
| Community Anti-Drug Coalition Of America |
21 |
| Associated General Contractors |
21 |
| National Rehabiliation Assoc. |
21 |
| Society of American Florists |
21 |
| Cera Tech Inc |
21 |
| Independent Electrical Contractors |
20 |
| The Society for Marketing Professional Services |
20 |
| Prevent Cancer Foundation |
20 |
| NATSO Inc |
20 |
| Direct Impact |
20 |
| Kearney |
20 |
| Landon Stark Cantwell & Paxton |
20 |
| Cuisine Solutions, Inc. |
20 |
| American Bankruptcy Institute |
20 |
| American Chamber of Commerce Executives |
20 |
| Lumenos, Inc. |
20 |
| Association of Corporate Travel Executives |
20 |
| STG International Inc. |
20 |
| The Association of Pool |
20 |
| Printing Industries of America, Inc. |
20 |
| American Association for Homecare |
19 |
| American Orthotic and Prosthetic Association |
19 |
| United States Senate Federal Credit Union |
19 |
| Nath & Associates PLLC |
19 |
| American Sportfishing Association |
19 |
| Fleet Reserve Association |
19 |
| Advanced Resource Technologies |
19 |
| Cotton & Company LLP |
19 |
| Nabca |
19 |
| NAADAC |
19 |
| Training Resources Group |
19 |
| National Association of State Boards of Education |
19 |
| H2gen Innovations, Inc |
19 |
| Virginia Railway Express |
18 |
| Capstone Corporation |
18 |
| McKinley Marketing Partners Inc |
17 |
| AASLD |
17 |
| HEW Federal Credit Union |
17 |
| Association Of Old Crows |
17 |
| Legum & Norman Inc |
17 |
| American Association of Port Authorities |
17 |
| National Defense Transportation Association |
17 |
| National Motor Freight Traffic Association Inc |
17 |
| Luntz, Maslansky Strategic Research |
17 |
| American Association of Colleges of Pharmacy |
17 |
| International Bottled Water Association |
16 |