View Written Testimonials from ISN Clients
| Upstream | Member Since | |
| Acadian Contractors | View Letter | 2002 |
| Bisso Marine Company, Inc. | View Letter | 2003 |
| Bonnett's Energy Services | View Letter | 2006 |
| Bonnyville Welding Ltd | View Letter | 2008 |
| Canadian Paramedical Services Inc. | View Letter | 2008 |
| Cloak Medic Services Inc. | View Letter | 2008 |
| Combo Energy | View Letter | 2008 |
| Dipper Oilfield Developments | View Letter | 2008 |
| FilterBoxx Packaged Water Solutions Inc. | View Letter | 2008 |
| Flint Energy Services | View Letter | 2002 |
| Kakivik Asset Management, LLC. | View Letter | 2004 |
| Katch Kan | View Letter | 2007 |
| Leblanc Communications Australia Pty Ltd | View Letter | 2009 |
| Newsco Directional & Horizontal Drilling Services Inc. | View Letter | 2009 |
| Platoon Oilfield Construction Ltd. | View Letter | 2008 |
| RPS MetOcean Pty Ltd | View Letter | 2008 |
| Scandrill, Inc. | View Letter | 2004 |
| Shortgrass Ecosystems Ltd | View Letter | 2008 |
| Trutec Contracting | View Letter | 2008 |
| Wrapex | View Letter | 2006 |
| Midstream | Member Since | |
| Arrow Construction | View Letter | 2002 |
| Bob Hayes, Inc./ HFS | View Letter | 2007 |
| Bradford Brothers | View Letter | 2001 |
| Clary E&I Services, LLC | View Letter | 2006 |
| Cochran, Inc. | View Letter | 2003 |
| Elkhorn Construction | View Letter | 2002 |
| Halgo PEC, Inc. | View Letter | 2008 |
| Integral Energy Services Ltd. | View Letter | 2008 |
| Jomax Construction | View Letter | 2002 |
| L.E. Bell Construction Co. | View Letter | 2001 |
| Mansfield Industrial Inc. | View Letter | 2002 |
| Resource Production Company | View Letter | 2004 |
| Scott Electric Company Inc. | View Letter | 2001 |
| Southland Safety LLC | View Letter | 2006 |
| Sturgeon & Son, Inc. | View Letter | 2004 |
| TD Williamson | View Letter | 2002 |
| Watkins Construction | View Letter | 2002 |
| Downstream | Member Since | |
| ASI Piping LLC | View Letter | 2007 |
| Bio-Tech | View Letter | 2004 |
| Cajun Constructors | View Letter | 2002 |
| Praxair Services, Inc. (UCISCO/Tracer Research Corp/Corrocon) | View Letter | 2002 |
| Pro-kleen, Inc. | View Letter | 2006 |
| STARCON | View Letter | 2002 |
| Stroud Diving and Hydrography | View Letter | 2003 |
| Sulphur Experts | View Letter | 2006 |
| Timec | View Letter | 2002 |
| Utility Contractors, Inc. | View Letter | 2003 |
| Veolia ES Industrial Services | View Letter | 2002 |
| WorleyParsons | View Letter | 2006 |
| BioPharma | Member Since | |
| Alan Stull Industries Inc. | View Letter | 2008 |
| BNBuilders | View Letter | 2007 |
| Clean Harbors Environmental | View Letter | 2005 |
| Diamond Cleaning Services, Inc. | View Letter | 2007 |
| Harris Group | View Letter | 2007 |
| Murphy Company | View Letter | 2006 |
| Triumvirate Environmental Inc. | View Letter | 2006 |
| Manufacturing | Member Since | |
| Airgas Inc | View Letter | 2008 |
| Bemrich Electric | View Letter | 2006 |
| Colt Atlantic Services Inc. | View Letter | 2007 |
| Hard Hat Services, Inc. | View Letter | 2008 |
| IPAC Service Corporation | View Letter | 2007 |
| Logan Diving & Salvage | View Letter | 2004 |
| South Central Construction | View Letter | 2004 |
| Transco Industires | View Letter | 2008 |