| Certification | Contact | Company | City | State | Zip | Phone | Web Page | Expiration | |
| RRS G598 | Steve Garbacz | ABATRON ENGINEERING | Wausau | WI | 54403 | abatron@hughes.net | (715)675-7277 | Web Page | 3/15/2010 |
| RRS 8G0003 | Sheldon L. Fleming | AAA RADONMAN | Codorus | PA | 17311 | radonman@aaaradonman.com | (717)968-2416 | 3/30/2010 | |
| RRS 8G0012 | Robert M. Gunter | RADON CONTROL PROFESSIONALS INC. | Reston | VA | 20191 | (703)471-9459 | Web Page | 6/30/2010 | |
| RMS 8SS0059 | Michael R. Hallam | FAMILY FIRST ENVIRON. CORP. | Commack | NY | 11725 | info@familyfirstenviro.com | (888)944-1400 | Web Page | 6/30/2010 |
| RMS 4SS0013 | "Stanley Hasbrouck, III" | "HCMS, INC." | Highland | NY | 12528 | sirgrizzly1@msn.com | (845)691-8645 | Web Page | 6/30/2010 |
| RMS 8SS0062 | Jeremiah J. Howell | NATURE'S WAY ENVIRONMENTAL | Central Square | NY | 13036 | jhowell@natureswayenvironmental.com | (315)668-1031 | Web Page | 6/30/2010 |
| RMT 3ST0047 | John J. Janczewski | ENERGY EXPERT | Lindenhurst | NY | 11757 | ENERGYEXPERT@OPTONLINE.NET | (631)987-5159 | 6/30/2010 | |
| RRS 4G0003 | John J. Janczewski | ENERGY EXPERT | Lindenhurst | NY | 11757 | energyexpert@optonline.net | (631)987-5159 | Web Page | 6/30/2010 |
| RMS 6SS0054 | Martin P. May | "AARDVARK SERVICES, INC." | Kernersville | NC | 27285 | uncrents@earthlink.net | (336)993-6149 | Web Page | 6/30/2010 |
| RMS 4SS0025 | Timothy F. McGovern | AMERISPEC HOME INSPECTION SERVICE | Endicott | NY | 13760 | tmcgovern@amerispec.net | (607)757-3208 | Web Page | 6/30/2010 |
| RMS 8SS0013 | Richard McNichol | McNichol Home Inspection Services | Fort Montgomery | NY | 10922 | rjmbam53@msn.com | (845)446-7523 | Web Page | 6/30/2010 |
| RRS 6G0010 | Abraham Mendez | "THE RADON SPECIALIST, INC." | Kernersville | NC | 27284 | abrahmend@aol.com | (336)416-2117 | Web Page | 6/30/2010 |
| RMS 8SS0018 | Sheldon L. Fleming | Codorus | PA | 17311 | radonman@aaaradonman.com | (717)968-2416 | Web Page | 3/30/2010 | |
| RRS 8G0014 | Kevin M. Murphy | EAGLE ENVIRONMENTAL | West Boylston | MA | 01583 | kmurphy@aol.com | (800)697-2366 | 6/30/2010 | |
| RMS 4SS0018 | Kevin M. Murphy | EAGLE ENVIRONMENTAL | West Boylston | MA | 01583 | (800)697-2366 | 6/30/2010 | ||
| RRS 8G0013 | David L. Perrin | ARMCO INC. | Roanoke | VA | 24018 | dlperrin@cox.net | (540)774-3550 | Web Page | 6/30/2010 |
| RMS 8SS0060 | Carl J. Satina | MR. INSPECTIONS INC. | Bedford Hills | NY | 10507 | csatina@mrinspections.com | (914)864-1997 | Web Page | 6/30/2010 |
| RMS SS641 | Nancy M. Schatzman | AMERICAN RADON TESTING CO | Waukesha | WI | 53186 | jschatzman@wi.rr.com | (262)522-0868 | Web Page | 6/30/2010 |
| RMS 6SS0041 | Ted Tio | "HYGENIX, INC." | Stamford | CT | 06902 | ttio@hygenix.com | (203)324-2222 | Web Page | 6/30/2010 |
| RRS 4G0001 | Francis E. Tresso | "ADVANCED HOME ANALYSIS, INC." | Perrysburg | OH | 43551 | fritzt-607@sbcglobal.net | (419)874-6313 | Web Page | 6/30/2010 |
| RMS 6SS0049 | Ruth Woody | A-PRO ADVANTAGE INSPECTION SERVICES | Mooresville | NC | 28117 | rwoody769@gmail.com | (704)426-1099 | Web Page | 6/30/2010 |
| RMT 7ST0006 | Michael M. Akana | EASTCONN | Hampton | CT | 06247 | makana@eastconn.org | (860)455-0707 | Web Page | 7/30/2010 |
| RMS 1SS0059 | Walt A. Baenziger | HOME ENVIRON. SERVICES INC. | Westfield | MA | 01085 | walt@homeenvironmentalservices.com | (413)568-7701 | Web Page | 7/30/2010 |
| RMS 6SS0016 | Joseph E. Forsha | "EZ-1 SOURCE, LLC" | Mooresville | NC | 28117 | jeff.forsha@a-prohis.com | (704)426-1099 | Web Page | 3/30/2010 |
| RMS 3SS0062 | Delores Katy Botteron | "THREE RIVERS ENVIRONMENTAL, INC." | Churubusco | IN | 46723 | threeriversenvironmental@yahoo.com | (260)693-9855 | Web Page | 7/30/2010 |