CMT Installers
| Aardvark Drilling Inc. |
Matthew England | 25 Oct 2007 | Guelph | ON |
| Darren Juneau | Guelph | ON |
| Advanced Drilling Inc. |
Scott Alberalla | 10 Mar 2014 | Pittstown | NJ |
| Brian Wagner | Pittstown | NJ |
| Advisian | Greg Haryett | 19 May 2016 | Edmonton | AB |
| Kaitlin Kawalilak | Edmonton | AB | ||
| Stuart Gray | Edmonton | AB | ||
| Josh Malkin | Edmonton | AB | ||
| Neil Krystopowicz | Edmonton | AB | ||
| Daniel Lint | Edmonton | AB | ||
| Chisenga Mulenga | Edmonton | AB |
| Alpine Remediation |
Matt Steere | 2 Jun 2015 | Golden | CO |
| Andy Steere | Golden | CO |
| Cascade Drilling | Jerry Ray | 13 Dec 2004 | Huntsville | AL |
| Clayton Dillard | 11 Mar 2005 | Mesa | AZ | |
| Rick Mallett | Peoria | AZ | ||
| Matt Rayson | Peoria | AZ | ||
| John Sanchez | Peoria | AZ | ||
| Perry Hormann | 18 Nov 2005 | Phoenix | AZ | |
| Johnathan Gray | 11 Mar 2005 | Santa Fe Springs | CA | |
| Jose Munguia | Santa Fe Springs | CA | ||
| Alexandro Patricio | 22 Mar 2006 | Santa Fe Springs | CA | |
| Ray Reece | Santa Fe Springs | CA | ||
| Denzil Roberts | 11 Mar 2005 | Santa Fe Springs | CA | |
| Steve Vasquez | Santa Fe Springs | CA | ||
| Greg Zekoff | Santa Fe Springs | CA | ||
| Jeff Thornhill | 31 Jun 2008 | Yuba City | CA | |
| Chyenne Zimmerman | Yuba City | CA | ||
| Randy Conrad | 22 Mar 2006 | Ft. Lauderdale | FL | |
| Raymond Dayton, Sr. | 11 Mar 2005 | Ocala | FL | |
| John Klaver | Ocala | FL | ||
| Neil Gamache | Ocala | FL | ||
| Mark McLean | 22 Mar 2006 | Pensicola | FL | |
| Thomas Whiddon | 18 Dec 2005 | Pensicola | FL | |
| Jason Greer | 13 Dec 2004 | Indianapolis | IN | |
| Mike Hansen | 21 Dec 2009 | Walnut | IL | |
| Chris Barden | 18 Nov 2005 | Fenton | MI | |
| Don Bond | Fenton | MI | ||
| James Vanconant | 11 Mar 2005 | Fenton | MI | |
| Rick Poysa | 21 Dec 2009 | Bemidji | MN | |
| Bill Beuning | Bemidji | MN | ||
| Kevin Smith | Big Lake | MN | ||
| Jason Koering | Fort Ripley | MN | ||
| Dale Duscher | Little Falls | MN | ||
| Mark Schulz | Little Falls | MN | ||
| Ronald Walkoviak | Little Falls | MN | ||
| Chad Johnson | Little Falls | MN | ||
| John Posterick | Little Falls | MN | ||
| Scott Thalacker | Little Falls | MN | ||
| Mark Biermaier | Little Falls | MN | ||
| Lawrence Erdman | Little Falls | MN | ||
| Randy Ochs | Little Falls | MN | ||
| Michael Mueller | Little Falls | MN | ||
| Jeff Jehn | Little Falls | MN | ||
| Jason Drabek | Little Falls | MN | ||
| James Kleinschmidt | Little Falls | MN | ||
| Leonard Jay Rager | Little Falls | MN | ||
| Dennis SchweisThal | Little Falls | MN | ||
| Erik Rekowski | Little Falls | MN | ||
| Gary Burgarot | Little Falls | MN | ||
| Mike Czech | Little Falls | MN | ||
| James Doucette | Little Falls | MN | ||
| Matt Osterberg | Little Falls | MN | ||
| Todd Schmalfeldt | 21 Dec 2009 | Marathon | MN | |
| Kevin Finicum | Williams | MN | ||
| Bill Armstrong | 18 Nov 2005 | Windsor | NJ | |
| Richie Guerra | Windsor | NJ | ||
| Ron Guerra | Windsor | NJ | ||
| Michael Bentley | Marietta | OH | ||
| Fred Hafner | Marietta | OH | ||
| Mark Knolle | 13 Dec 2004 | Marietta | OH | |
| Karl Savinkoff | 11 Mar 2005 | Marietta | OH | |
| Jim McCombs | Marietta | OH | ||
| James Waddell | 22 Mar 2006 | Marietta | OH | |
| Efelito Rauch | 18 Nov 2005 | Portland | OR | |
| Michael Coleman | 11 Mar 2005 | New Ellenton | SC | |
| Jose Asua | 22 Mar 2006 | Memphis | TN | |
| Kent Adamson | Salt Lake City | UT | ||
| Clyde Moore | Seattle | WA | ||
| Ryan Larsen | 21 Dec 2009 | Plover | WI | |
| Alvin Anderson | Mason | WI | ||
| Timothy Mattmiller | Schofield | WI | ||
| Gary Jones | Tomahawk | WI | ||
| Derrik Sandberg | 13 Dec 2004 | Incline Village | NV |
| Delta Well & Pump Company |
Tom King | 26 Aug 2008 | Ronkonkoma | NY |
| Conrad Strebel | Ronkonkoma | NY | ||
| Pat Dorney | Ronkonkoma | NY |
| Direct Environmental Drilling Inc. |
Andrew Armstrong | 25 Oct 2007 | London | PA |
| E & G Drilling Services |
Edward Loosa | 13 May 2009 | Ludington | MI |
| Robert Gerbers | Ludington | MI |
| Eichelbergers Inc. |
Chris Brenneman | 26 Feb 2007 | Mechanicsburg | PA |
| Will Deininger | Mechanicsburg | PA |
| Fisher Environmental Ltd |
Marius Voinea | 25 Oct 2007 | Markham | ON |
| GeoEnviro Tech |
Juan D. Negron | 13 Dec 2004 | Guaynabo | PR |
| H20 Well Service |
Jim Johnston | Hayden | ID |
| HCI Drilling | David Lagoski | 17 Aug 2016 | Lubbock | TX |
| Kenny Cooper | Lubbock | TX |
| Impact Environmental |
Joseph Boyle | 18 Nov 2005 | Lyndhurst | NJ |
| Layne Christiansen Company |
Mike Magnin | 16 Dec 2006 | Indianapolis | MN |
| Leidos Engineering EE&S |
Bill Lillich | 26 Feb 2007 | Harrisburg | PA |
| London Soil Test Ltd. |
Don McRae | 25 Oct 2007 | London | ON |
| Major Drilling Environmental LLC. |
James Blackwood | 13 Dec 2004 | Huntsville | AL |
| Ricky Davis | Huntsville | AL | ||
| Don Larson | Sherwood | OR |
| Matrix Solutions Inc. |
Amit Sharma | 14 Aug 2014 | Calgary | AB |
| Brett O'Donnell | Calgary | AB | ||
| Charla Philippon | Calgary | AB | ||
| Kim Taschuk | Calgary | AB |
| Mud Bay Drilling Co. Ltd. |
Gordon Gibbons | 18 Nov 2005 | Surrey | BC |
| Dale Van Dam | 3 Nov 2011 | Surrey | BC | |
| Johnny Barone | Surrey | BC | ||
| Kelly Rosehill | Surrey | BC | ||
| Ryan Fales | Surrey | BC | ||
| Kevin Riplinger | 9 Jun 2012 | Surrey | BC | |
| Jeff Froland | Surrey | BC | ||
| Antin Achtymichuk | Surrey | BC | ||
| Nick Rennie | Surrey | BC | ||
| Shawn Ashley | Surrey | BC |
| M&W Drilling | Jay Hocutt | 18 Oct 2008 | Knoxville | TN |
| Ray Huston | Knoxville | TN | ||
| Anthony Foster | Knoxville | TN | ||
| Garry Akins | Knoxville | TN | ||
| David Duncan | Knoxville | TN |
| National Exploration Wells Pumps |
Tim Cechini | 16 Dec 2006 | Montclair | CA |
| Ignacio Gutierrez | Montclair | CA | ||
| Jorge Gutierrez | Montclair | CA | ||
| Christopher Neal | Montclair | CA | ||
| Jeff O'Connor | Montclair | CA | ||
| Javier Rios | Montclair | CA | ||
| Samuel Rivera | Montclair | CA | ||
| Bill Stuckey | Montclair | CA | ||
| Bob Nix Jr. | Montclair | CA | ||
| Chris Tatum | Montclair | CA |
| Paddock Drilling | Andrew Clark | 23 Sept 2009 | Saskatoon | SK |
| Brian Wolaniuk | Saskatoon | SK |
| Paradyme Drilling & Env. Serv. |
Gary Stone | 13 Dec 2004 | Brentwood | CA |
| Parratt-Wolff Inc. | Robert Stevens | 5 May 2005 | Hillsborough | NC |
| Michael Ellingworth | Syracuse | NY | ||
| William Morrow | Syracuse | NY | ||
| Joel Parratt | Syracuse | NY | ||
| Jolaan Price | Syracuse | NY |
| PGL | Cory Nelson | 9 Jun 2012 | Vancouver | BC |
| Zayed Mohamed | Vancouver | BC |
SGS |
Dermot Dillon | 13 Dec 2004 | West Creek | NJ |
| SNC Lavalin | Ron Salomonson | 16 May 2016 | Calgary | AB |
| John Jackson | Calgary | AB | ||
| Vladimir Danov | Calgary | AB | ||
| Jessica Perras | Calgary | AB | ||
| Greg Potter | Calgary | AB | ||
| Emily McMaster | Calgary | AB | ||
| June Lu | Calgary | AB | ||
| Scott Poirier | Calgary | AB | ||
| Tim Niskala | Calgary | AB |
| Sonic Sampling & Supply |
Mike Casey | 13 Dec 2004 | Woodacre | CA |
| Sonic Soil Sampling (Ontario) Inc. |
Alan Archibald | 25 Oct 2007 | Concord | ON |
| Underground Sonic Drilling |
Ryan Bailey | 25 Oct 2007 | Wasaga Beach | ON |
| Uniwide Drilling Co. Ltd. |
Rick Friedel | 14 Mar 2011 | Burnaby | BC |
| Zebra Environmental Services |
Michael Early | 13 Dec 2004 | Tampa | FL |
| William McAllister | Albany | NY | ||
| Paul L. Fleischmann | Lynnbrook | NY |
| Boart Longyear | Sebastien Guenin | 31 Jun 2008 | Toulon | France |
| British Geological Survey |
Dr. Rachel Dearden | 28 Jan 2011 | Nottingham | UK |
| Geo-Engineering | Roland Tóth | 26 Feb 2007 | Budapest | HU |
| GeoSonic Drilling Ltd. | Andy Condron | 7 May 2014 | Alloa | UK |
| John Wood | Alloa | UK | ||
| Neil Grew | Alloa | UK | ||
| Mark Henderson | Alloa | UK | ||
| Jamie Johns | Alloa | UK |
| Geotron UK Ltd. | Dennis van Enk | 7 May 2014 | Mossley | UK |
| TOR Drilling | Charlie Lock | 3 Jan 2017 | Glastonbury | UK |
| Jonathan Moore | Glastonbury | UK | ||
| Dan Iles | Glastonbury | UK | ||
| Anthony Duckett | Glastonbury | UK | ||
| Steve Sutton | Glastonbury | UK | ||
| Mark McKinney | Glastonbury | UK | ||
| Nic Raynek | Glastonbury | UK | ||
| Jonathan Whittle | Glastonbury | UK | ||
| Marcus Puddy | Glastonbury | UK | ||
| Paul Whittle | Glastonbury | UK | ||
| Paul Golledge | Glastonbury | UK | ||
| Kevin Lavender | Glastonbury | UK | ||
| Simon Williams | Glastonbury | UK | ||
| Aaron Reeves | Glastonbury | UK | ||
| Jonny Whittle | Glastonbury | UK |