| United States Department of Health and Human Services |
52,285 |
| United States Department of Agriculture |
31,356 |
| Government of Alberta |
18,368 |
| National Institutes of Health |
17,303 |
| National Aeronautics and Space Administration |
16,971 |
| Public Works and Government Services Canada (PWGSC) |
12,433 |
| United States Department of Energy |
12,330 |
| Indian Health Service |
12,139 |
| United States Air Force |
11,571 |
| Food & Drug Administration |
11,011 |
| Health Canada / Canadian Health Network |
10,394 |
| United States National Forest Service |
9,805 |
| United States Navy |
8,937 |
| USDA Agricultural Research Service |
7,540 |
| Agriculture and Agri-Food Canada |
7,034 |
| Natural Resources Canada |
6,552 |
| Veterans Health Administration |
6,519 |
| United States Army |
5,994 |
| U.S. House of Representatives |
5,885 |
| Transport Canada |
5,227 |
| Centers for Disease Control and Prevention |
5,059 |
| Human Resources and Social Development Canada |
4,577 |
| United States Postal Service |
4,444 |
| US General Services Administration (GSA) |
4,328 |
| United States Army |
4,103 |
| United States Environmental Protection Agency |
3,965 |
| Federal Government Of United Kingdom |
3,786 |
| United States Department of Justice |
3,417 |
| National Park Service |
3,280 |
| United States Department of Homeland Security |
3,088 |
| National Research Council Canada |
2,982 |
| United States Geological Survey |
2,974 |
| National Oceanic and Atmospheric Administration |
2,957 |
| Fisheries and Oceans Canada |
2,864 |
| Federal Aviation Administration |
2,858 |
| General Dynamics Corporation |
2,714 |
| Social Security Administration |
2,709 |
| Department of Justice |
2,625 |
| United States Department of the Treasury |
2,598 |
| Bonneville Power Administration |
2,536 |
| US Department of Transportation |
2,461 |
| Indian and Northern Affairs Canada |
2,449 |
| Industry Canada |
2,417 |
| US Department of Labor |
2,414 |
| Canadian Heritage |
2,254 |
| United States Department of State |
2,198 |
| United States Patent and Trademark Office |
2,116 |
| United States Department of the Interior |
1,959 |
| Government of Newfoundland and Labrador |
1,828 |
| Federal Reserve System |
1,799 |
| US Small Business Administration |
1,710 |
| United States Coast Guard |
1,637 |
| United States Internal Revenue Service |
1,475 |
| Federal Bureau of Prisons |
1,465 |
| Federal Communications Commission |
1,425 |
| United States Dept of Defense Logistics Agency |
1,417 |
| United States Department of Education |
1,362 |
| U.S. Army Corps of Engineers |
1,355 |
| United States Marine Corps |
1,340 |
| United States Department of Commerce |
1,310 |
| Lawrence Livermore National Laboratory (LLNL) |
1,246 |
| Government of Canada |
1,217 |
| Foreign Affairs and International Trade Canada |
1,092 |
| US Senate |
1,084 |
| US Nuclear Regulatory Commission |
1,039 |
| Confederated Tribes of the Colville Reservation |
991 |
| Pollution Control Agency |
977 |
| Library and Archives Canada |
965 |
| United States Fish and Wildlife Service |
928 |
| United States Agency for International Development |
896 |
| Sandia National Laboratories |
888 |
| Us Transportation Dept |
828 |
| Lawrence Berkeley National Laboratory (LBNL) |
784 |
| National Institute of Standards and Technology |
751 |
| Canada Border Services Agency |
740 |
| Los Alamos National Laboratory (LANL) |
737 |
| USDA Animal and Plant Health inspection Service |
675 |
| Pacific Northwest National Laboratory (PNNL) |
656 |
| State of Texas - Department of Transportation |
652 |
| Veterans Benefits Administration |
636 |
| U.S. Census Bureau |
633 |
| Canadian International Development Agency |
632 |
| Canada Mortgage and Housing Corporation |
609 |
| US Dept of Energy - Office of Info. Tech (User Services Center & Security Div) |
601 |
| Argonne National Laboratory (ANL) |
600 |
| Brookhaven National Laboratory (BNL) |
595 |
| Federal Deposit Insurance Corporation |
588 |
| United States Department of Defense |
563 |
| Citizenship |
538 |
| Department of National Defense - Canadian Forces |
531 |
| Commonwealth Scientific and Industrial Research Organisation |
528 |
| United States Senate |
518 |
| NASA Langley Research Center |
517 |
| Canada Public Service Commission |
513 |
| Marshall Space Flight Center |
512 |
| U.S. International Trade Commission |
494 |
| Dept. of Commerce Bureau of Economic Analysis |
490 |
| The National Archives and Records Administration |
487 |
| Government of Canada, Veteran's Affairs |
485 |
| Bureau of Reclamation |
484 |
| The Library of Congress |
471 |
| Centers for Medicare and Medicaid Services |
462 |
| Defense Advanced Research Projects Agency (DARPA) |
443 |
| PSC IRMS |
438 |
| Monash University |
430 |
| Adjutant General |
427 |
| NASA Ames Research Center |
426 |
| Fermi National Accelerator Laboratory (FNAL) |
425 |
| Peace Corps |
421 |
| Canada Revenue Agency |
392 |
| Minerals Management Service |
389 |
| Defense Finance and Accounting Service |
377 |
| Princeton Plasma Physics Lab |
375 |
| Health Resources and Services Administration |
369 |
| Canada Post Corporation |
361 |
| Nevada Supreme Court |
350 |
| Ohio Agricultural Statistics |
349 |
| State of Missouri |
344 |
| Federal Emergency Management Agency |
344 |
| Treasury Board Secretariat |
342 |
| National Energy Technology Laboratory (NETL) |
341 |
| National Labor Relations Board |
340 |
| National Geospatial Intelligence Agency |
329 |
| U.S. Securities and Exchange Commission |
319 |
| Federal Trade Commission |
310 |
| HRDC |
295 |
| Wisconsin State Laboratory of Hygiene |
290 |
| Export-Import Bank of the United States |
287 |
| Atlantic Canada Opportunities Agency (ACOA) |
284 |
| U.S. Government Printing Office (GPO) |
280 |
| United States Bureau of Indian Affairs |
280 |
| National Institute of Allery and Infectious Diseases |
280 |
| Washington State Legislature |
278 |
| Government of Canada Privy Council Office |
278 |
| Defence Construction Canada |
277 |
| National Renewable Energy Laboratory |
273 |
| Federal Bureau of Investigation |
269 |
| Canadian Transportation Agency |
266 |
| Consulting and Audit Canada |
261 |
| EEOC |
257 |
| Idaho National Engineering and Environmental Labratory |
257 |
| Court Services and Offender Supervision Agency |
257 |
| Canadian Space Agency |
252 |
| Department of Health Western Australia |
242 |
| Canadian Nuclear Safety Commission |
240 |
| Federal Motor Carrier Safety |
231 |
| Federal Energy Regulatory Commission |
224 |
| Social Sciences and Humanities Research Council of Canada |
213 |
| Eglin Air Force Base |
211 |
| MICROS Systems, Inc. |
206 |
| Alion Science and Technology Corporation |
206 |
| Arlington Public Schools |
201 |
| Transportation Safety Board of Canada |
196 |
| Chamber of Commerce of The United States of America |
193 |
| Health Services Dept |
190 |
| National Endowment for the Humanities |
182 |
| Mohegan Tribal Gaming Authority |
182 |
| Speaker of the Legislative Assembly |
180 |
| Centrelink (Australian Government) |
179 |
| Federal Bureau of Investigation |
178 |
| Transportation Dept-Adm |
177 |
| Texas Commission on Environmental Quality |
175 |
| Mississippi Development Authority |
174 |
| Chickasaw Nation of Oklahoma |
168 |
| Us Army Recruiting |
166 |
| Edwards Air Force Base |
164 |
| National Endowment for the Arts |
162 |
| Consignia |
161 |
| Uniformed Services University of the Health Sciences |
161 |
| Missile Defense Agency |
160 |
| Child Care Administration |
160 |
| Central Intelligence Agency (CIA) |
157 |
| National Security Agency/Central Security Service |
157 |
| US Dept of Defense Commissary Agency |
155 |
| US Office of the Secretary of Defense |
155 |
| Department of Veterans' Affairs |
152 |
| Austrade |
148 |
| City of Charlotte |
148 |
| Finance Canada |
146 |
| Canadian Radio-television and Telecommunications Commission |
145 |
| Honorable Bryant L Sugg |
139 |
| National Telecommunications and Information Administration (NTIA) |
134 |
| Audit Commission - Central Region |
134 |
| Equalization Board |
132 |
| Civil Aviation Safety Authority - Australia |
128 |
| US DCAA Defense Contract Audit Agency |
128 |
| Department of Employment and Workplace Relations |
128 |
| Department for Environment, Food and Rural Affairs |
128 |
| Australian Government Solictor |
127 |
| Space and Naval Warfare Systems Center |
126 |
| US Courts - Office of Defender Services Training Branch |
125 |
| National Institute of Neurological Disorders and Stroke |
125 |
| Dept of Health & Ageing |
122 |
| Defence Support Group |
121 |
| Langley Air Force Base |
121 |
| Office of Surface Mining Reclamation and Enforcement |
120 |
| John |
120 |
| National Portrait Gallery |
119 |
| Georgia Department of Transportation |
118 |
| AOUSC |
112 |
