| CH2M HILL Companies, Ltd. |
2,469 |
| Halliburton Company |
1,409 |
| Fluor Corporation |
1,178 |
| The ServiceMaster Company |
1,071 |
| Kronos Incorporated |
936 |
| Cerner Corporation |
746 |
| CME Group Inc |
683 |
| Drake |
673 |
| ABM Industries Incorporated |
540 |
| Macquarie Infrastructure Company |
510 |
| The Freeman Companies |
428 |
| FirstGroup America, Inc. |
402 |
| Bovis Lend Lease, Inc. |
393 |
| Misys Banking and TCM |
377 |
| Safety-Kleen, Inc. |
317 |
| Sodexo, Inc. |
300 |
| AGL Resources, Inc. |
270 |
| Loews Corporation |
256 |
| Cort Business Services |
253 |
| S.A.D. #46 School District |
228 |
| Rollins, Inc. |
219 |
| Schindler Elevator Corporation |
210 |
| White Lodging Services Corp. |
195 |
| MSX International, Inc. |
168 |
| Mirant Corporation |
162 |
| National Jewish Medical Center |
162 |
| Mitsubishi Motors North America |
153 |
| EJB Facility Services |
148 |
| American Residential Services, LLC |
143 |
| Coverall Cleaning Concepts |
139 |
| Scripps Clinic |
138 |
| Liberty Realty |
137 |
| Spirax Sarco Inc |
116 |
| Premier BPO |
114 |
| Dematic Corp |
111 |
| Aquilex Corporation |
110 |
| Wachter Corp |
108 |
| Compton Campus Learning Centre |
108 |
| Servpro Industries, Inc. |
102 |
| Compass Group UK & Ireland |
101 |
| Wausau Papers |
101 |
| Xenoscience Inc |
97 |
| DAVACO, Inc. |
95 |
| IGLU.COM LIMITED |
95 |
| Baker Distributing Company, Inc. |
91 |
| Valley-Wide Health Systems Incorporated |
90 |
| Savage Services Corporation |
86 |
| Molly Maid, Inc. |
86 |
| Bartlett Tree Expert Co. |
85 |
| OCS GROUP Ltd. |
85 |
| Alliance Residential Company |
84 |
| Dept Of Safety |
77 |
| Building Permits |
73 |
| Fish Window Cleaning |
70 |
| Rowan Companies, Inc. |
69 |
| Vestas Wind Systems |
65 |
| Symon |
63 |
| Industrial Distribution Group, Inc. |
63 |
| ARAMARK Canada Ltd. |
63 |
| Kent House (Management) Ltd |
61 |
| Trautman & Shreve Inc |
61 |
| Calhoun Times |
61 |
| Hendricks |
60 |
| Mid-America Apartment Communities, Inc. |
59 |
| Metropolitan Pier and Exposition Authority (MPEA) |
59 |
| Novar Controls Corporation |
58 |
| Petro-Hunt, L.L.C. |
58 |
| National Roofing Contractors Association |
58 |
| Swisher International Group Inc. |
57 |
| Standards Division |
57 |
| St Augustine Record-News Place |
57 |
| GM - Vauxhall Motors LTD. |
56 |
| Sun Gard |
56 |
| WIS International |
55 |
| Greater Miami Convention |
55 |
| Peterson Management |
53 |
| Environment Control |
52 |
| Airport Terminal Services, Inc. |
52 |
| Zinsser Co. Inc. |
52 |
| The Flynn Company |
52 |
| Caliber Point Business Solutions Ltd. |
51 |
| Maintech / Volt Information Sciences |
50 |
| Qore Property Sciences |
50 |
| Arval UK Limited |
50 |
| United Pipe & Supply Co. Inc. |
49 |
| Aston Hotels |
49 |
| Lane Hospitality |
47 |
| Mitutoyo America Corporation |
47 |
| American Industrial Hygiene Association AIHA |
47 |
| Service Master |
46 |
| Bargreen-Ellingson Inc |
45 |
| Pacifica Companies, Inc |
45 |
| Corcom Corp |
45 |
| HBG Construction Limited |
45 |
| Jan-Pro Franchising Int'l. Inc. |
44 |
| CTI Group (Holdings) Inc. |
42 |
| Alexander's Mobility Services |
42 |
| Babcock PTI |
41 |
| Network global Logistics |
41 |
| Service Management Systems, Inc. |
41 |
| National Glass and Gate Service Inc |
40 |
| Varsity Contractors, Inc. |
39 |
| Jani-King International, Inc. |
39 |
| Spinitar |
38 |
| Sonic Blue (Formerly S3) |
38 |
| Community Health Ctr-Meriden |
38 |
| Ryko |
37 |
| Commercial Works, Inc. |
37 |
| Goodway Corporation |
37 |
| Specialized Technology Resources |
37 |
| Danis Construction |
36 |
| System Planning Corporation |
36 |
| MARC Global Systems, LLC |
36 |
| Culinaire International, Inc. |
36 |
| Maidpro, Inc |
35 |
| Extensis, Inc. |
35 |
| Morgan, Brown & Joy, LLP |
35 |
| Lawrence Family Jewish Community Center |
35 |
| Delta Diversified Enterprises, inc. |
35 |
| City Wide Maintenance |
34 |
| American Leak Detection, Inc. |
34 |
| Urban Engineering |
34 |
| Allied Fire |
34 |
| CIBSE SERVICES LIMITED |
34 |
| The Onyx Group |
33 |
| The Industrial Fumigant Company |
33 |
| Kimco Corp |
33 |
| Steritech Food Safety |
33 |
| Quantum Fine Casework |
33 |
| Icvm Group LLC |
33 |
| Fire Materials Group LLC |
33 |
| APR Consulting, Inc. |
32 |
| David Green Organization - DGO |
32 |
| George S Hall, Inc |
32 |
| Arval PHH Ltd. |
31 |
| Abacus Corporation |
31 |
| StaffWell |
31 |
| FBG Service Corporation |
30 |
| Carithers Wallace Courtenay CWC |
30 |
| Valin Corporation |
30 |
| Servidyne, Inc. |
29 |
| Carr Business Systems |
29 |
| Colorado Convention Center |
29 |
| Cambridgeside Galleria |
29 |
| SBM Site Services, LLC |
29 |
| Aetna Building Maintenance Inc |
29 |
| Handex Consulting And Remediation, LLC |
29 |
| Sault Tribe-Chippewa Indians |
29 |
| PGL Travel Limited |
29 |
| Newkirk Products, Inc. |
28 |
| Rescar |
28 |
| Pritchard Industries |
28 |
| Maine Association of Community Banks |
28 |
| Supply Technologies, LLC |
28 |
| MH Equipment |
28 |
| San-Tron Inc |
28 |
| EFSIS CERTIFICATION LIMITED |
28 |
| The EMS Group |
27 |
| Gensco-Albina Inc |
27 |
| Coastwide Labs |
27 |
| Bell Harbor International Conference Center |
27 |
| IST Management Services, Inc. |
27 |
| ServiceMaster of Seattle, WA |
27 |
| Kruse Plumbing, Heating, and Cooling |
27 |
| Wyatt Engineering |
27 |
| Haines Gipson & Assoc Inc |
27 |
| Doosan Babcock Energy Limited |
27 |
| DAVID LOCK ASSOCIATES LIMITED |
27 |
| AIR MILES TRAVEL PROMOTIONS LIMITED |
27 |
| ANALYSTS Inc |
26 |
| Electronic Merchant Systems |
26 |
| Marshall Hotels & Resorts, Inc. |
26 |
| Home Team Pest Defense |
26 |
| T and M Associates |
26 |
| Connecticut Attorneys Title Company |
26 |
| Shanks Chemicals Services Ltd. |
25 |
| Brechbuhler Scales Inc |
25 |
| Nath Companies Incorporated |
25 |
| Apex Environmental, Inc. |
25 |
| F.E. Moran |
25 |
| KBM Building Svc |
25 |
| West Asset Management Inc |
25 |
| Rti-Dfd |
25 |
| Distribution by Air Incorporated |
25 |
| Daily News Norfolk |
25 |
| Rofin-Sinar Technologies Inc |
25 |
| BARKER BRETTELL & DUNCAN SERVICES |
25 |
| H2L2 Architects |
24 |
| Columbia Metropolitan Convention Center |
24 |
| Exodyne |
24 |
| Xerox Metro Ctr |
24 |
| SJF Material Handling Equipment |
24 |
| Bell, Dewar |
24 |
| Nicholson Construction |
24 |
| Funjet Vacations |
24 |
| Integral UK Ltd. |
24 |
| MOUCHEL BUSINESS SERVICES LIMITED |
24 |
| Carroll Company |
23 |
| Office Suites Plus |
23 |
| Clockwork Home Services Inc |
23 |