| Ernst & Young, L.L.P. |
10,243 |
| MetLife, Inc. |
6,921 |
| ADT Security Services, Inc. |
4,011 |
| BAE Systems plc |
3,679 |
| MasterCard Worldwide |
1,207 |
| Novell, Inc. |
1,022 |
| Broadview Security |
661 |
| RSA Security Inc. |
639 |
| The Wackenhut Corporation |
440 |
| Check Point Software Technologies Ltd. |
410 |
| Simplex Grinnell L.P. |
395 |
| Kroll Inc. |
393 |
| Sonitrol Corporation |
349 |
| Jefferson Wells International, Inc. |
296 |
| Integrated Electrical Services, Inc. |
237 |
| The Segal Company |
232 |
| Recall Corporation |
222 |
| AlliedBarton Security Services |
215 |
| FishNet Security |
200 |
| Trustmark Companies |
199 |
| Protection One, Inc. |
193 |
| Loomis, Fargo & Company |
188 |
| US Investigations Services, LLC |
151 |
| Dunbar Armored Inc |
140 |
| Checkpoint Systems, Inc. |
137 |
| H-GAC |
131 |
| Radware Inc. |
122 |
| Wachter Corp |
107 |
| SecureWorks |
99 |
| Andrews International Inc |
99 |
| OSI Systems, Inc. |
96 |
| G4S PLC |
93 |
| DSI Security Services |
91 |
| Tripwire, Inc. |
84 |
| DynCorp International |
83 |
| Teranet Inc. |
80 |
| Command Information |
80 |
| Sierra Atlantic, Inc. |
79 |
| Lancope |
73 |
| Port of New Orleans |
73 |
| South Hadley Public Schools |
72 |
| American Science and Engineering, Inc. |
69 |
| Henry Bros. Electronics, Inc. |
68 |
| Sonic Software Corporation |
67 |
| Solutionary, Inc. |
65 |
| CompuDyne Corporation |
64 |
| Venture Technologies |
64 |
| The RJA Group, Inc. |
62 |
| Garda World, Inc. |
62 |
| AMAG Technology, Inc. |
61 |
| U.S. Security Associates |
61 |
| Kastle Systems International LLC |
59 |
| The Parthenon Group LLC |
59 |
| Guardsmark, Inc. |
57 |
| BI Incorporated |
56 |
| Integrated Computer Services (Scotland) Ltd |
56 |
| Control Risks Group |
54 |
| Arete Associates Inc |
53 |
| Mitratech |
52 |
| ADS Security LP |
52 |
| CompuMentor |
49 |
| Voltage Security, Inc. |
49 |
| Euronet Worldwide, Inc. |
49 |
| Acronis Inc. |
48 |
| ISSCoastal Inc |
48 |
| Grubb |
47 |
| Net Effect |
47 |
| Napco Security Systems, Inc. |
46 |
| Prestige Homes |
44 |
| VASCO Data Security International, Inc. |
43 |
| Peter Welch Associates |
43 |
| Modcomp, Inc. |
42 |
| MacDonald, Dettwiler and Associates Ltd. |
42 |
| Pinkerton |
42 |
| Gunnebo AB |
41 |
| MVM, Inc. |
40 |
| Faronics |
40 |
| Outdoor Lighting Perspectives |
40 |
| Niscayah, Inc. |
40 |
| Covenant Aviation Security |
39 |
| SST, Inc. |
38 |
| Universal Protection Service |
38 |
| Community Bankshares Inc |
38 |
| Schirmer Engineering Corp. |
37 |
| Connecticut Historical Society |
37 |
| Enterprise Consulting Group, LLC |
36 |
| Weiser Security Svc |
36 |
| VTI Security Integrators |
36 |
| U.S. Security Associates Inc |
35 |
| Kingman High School |
35 |
| City Wide Maintenance |
34 |
| American Technology Corporation |
33 |
| Devcon Security Services Corp. |
33 |
| Carter Brothers LLC |
33 |
| Reinhold Industries, Inc. |
32 |
| Neohapsis, Inc |
32 |
| Whelan Security Co |
32 |
| Dowless and Associates, Inc. |
32 |
| Designs Unlimited |
32 |
| Firearms Training Systems, Inc. |
31 |
| Lenox Advisors Inc. |
31 |
| Command Security Corporation |
31 |
| Security Equipment Supply, Inc. |
31 |
| Milestone Systems |
30 |
| Protex Int'l. Corp. |
30 |
| Modern Technology Solutions, Inc. |
30 |
| XeDAR Corporation |
30 |
| Advantage Fire Sprinkler Company Inc |
29 |
| AdmitOne Security, Inc. |
29 |
| Omniplex World Services Corporation |
29 |
| Per Mar Security Services |
29 |
| Chinese Kitchen Inc |
29 |
| The Brink's Company |
29 |
| Intercon Security Limited |
28 |
| Versus Technology, Inc. |
28 |
| IPC International |
28 |
| The EMS Group |
27 |
| Security-forces |
27 |
| Akimeka, LLC |
27 |
| Deterrent Technologies Inc. |
27 |
| H&M Systems Software |
27 |
| SupplyCore Inc. |
26 |
| The SANS Institute |
26 |
| Arapahoe Gastroenterology |
26 |
| CARCO Group |
26 |
| Aronson Security Group |
25 |
| Linear Corporation |
25 |
| Mace Security International, Inc. |
25 |
| Silanis Technology |
25 |
| 5 Alarm Fire |
25 |
| Shiseido of Hawaii Inc. |
25 |
| Federal APD |
24 |
| Reveal Imaging Technologies, Inc. |
24 |
| Certified Security Solutions, Inc. |
24 |
| Digital Defense Incorporated |
24 |
| Sound Incorporated |
24 |
| ArmorGroup North America |
24 |
| Avatier Corporation |
23 |
| Canadian Securities Institute |
23 |
| Infrastruct Security, Inc. |
23 |
| Auctionpay Inc. |
23 |
| Admiral Security Services |
23 |
| Control Services Inc |
23 |
| Tiedemann |
23 |
| Vanguard National Trailer |
23 |
| 3SI Security Systems |
22 |
| Sword |
22 |
| Westec Intelligent Surveillance, Inc. |
22 |
| Ivory Capital Group |
22 |
| SOS Security Systems |
22 |
| Computer Systems Group |
22 |
| Fellowship Associates |
22 |
| PossibleNOW |
21 |
| EMERgency 24, Inc. |
21 |
| Olgoonik Development, LLC |
21 |
| Asbury Jacksonville |
21 |
| Racine Area Government |
21 |
| Kearney Hub |
21 |
| T. Baker Smith, Inc. |
21 |
| IDESCO Corp. |
21 |
| STU Campus Police |
21 |
| Acree Daily Integrated Systems, Inc |
21 |
| Burns |
21 |
| GARWYN LIMITED |
21 |
| SynerComm |
20 |
| Sterling Computers |
20 |
| SeNet Internationa Corporation |
20 |
| Summit Brokerage Inc |
20 |
| Rutherford Controls International Corp. |
20 |
| Networth Services Inc |
20 |
| Upek, Inc |
19 |
| Murray Guard |
19 |
| Precise Biometrics |
19 |
| Technical Communications Corporation |
19 |
| Safeguard Security & Communications Inc |
19 |
| Summit Security Services, Inc. |
19 |
| Toledo-Lucas County Port Authority |
19 |
| Allergy Partners, PA |
19 |
| Alert Alarm of Hawaii |
19 |
| DEFENDER Direct |
19 |
| Floyd Browne Associates, Inc. |
19 |
| Capwest Securities, Inc. |
19 |
| L. K. Wood Realtors |
19 |
| Best Access Systems |
18 |
| Educators Publishing Service |
18 |
| Security Storage Company of Washington |
18 |
| Elemental Security, Inc. |
18 |
| Connolly Ford Leppert |
18 |
| The Ackerman Group LLC |
18 |
| Business Controls, Inc |
18 |
| Levy Security |
18 |
| Rand Whitney Cont Northeast LLC |
18 |
| FJC Securities Svc |
18 |
| Starplex Corporation |
18 |
| SOS International, Ltd. |
18 |
| Pre-Empoy.com, Inc. |
18 |
| VideoIQ, Inc. |
18 |
| First Bank |
18 |
| Genesis Forwarding Services VA |
18 |
| M Fillmore Suburban Hospital |
18 |