| ACME DRILLING FLUIDS |
| ADVANTAGE MUD SYSTEMS LTD |
| ALLIANCE DRILLING FLUIDS LTD |
| APEX ENERGY CONSULTANTS INC |
| ATLANTIC DIRECTIONAL INC. |
| B&H TANK SYSTEMS INC. |
| BARLON ENGINEERING GROUP |
| BEHR ENERGY SERVICES LTD |
| BENCHMARK ENGINEERING INC. |
| BISSETT RESOURCES CONSULTANTS LTD |
BLACK GOLD EMERGENCY PLANNERS |
| CALIBER PLANNING INC |
CALMENA ENERGY SERVICES INC. |
CANADIAN ENERGY SERVICES LP |
| CCS MIDSTREAM SERVICES |
| CG ENGINEERING LTD |
| CODECO CONSULTING INC |
CREST ENERGY CONSULTANTS INC |
| DEADEYE ENGINEERING & CONSULTING |
| DECCA CONSULTING LTD. |
| DMK DRILLING FLUIDS LTD. |
| DRAGON LANCE MANAGEMENT CORP |
| DRIL-X FLUIDS INC |
| DYNAMIC DRILLING FLUIDS LTD |
| ENGINEERED DRILLING SOLUTIONS |
| FIRE CREEK RESOURCE LTD |
| HEERCO ENERGY MANAGEMENT INC |
| HITECH FLUID SYSTEMS |
| HORIZON DRILLING INC. |
| INTERNATIONAL RESOURCE MANAGEMENT |
| KETIL ENERGY CONSULTING |
| MARQUIS FLUIDS INC |
| MATRIX DRILLING FLUIDS LTD |
| MEGA ENGINEERING LTD |
| MERIDIAN ENVIROMENTAL INC. |
| MI DRILLING FLUIDS CANADA INC. |
| MUDCO SERVICES LTD |
| N.L. FISHER SUPERVISION & ENGINEERING |
| NEW WEST DRILLING FLUIDS INC. |
| NEWKIND PNG CONSULTANTS LTD |
| NEWPARK DRILLING FLUIDS INC |
| PAJAK ENGINEERING LTD. |
| PINNACLE FLUIDS LTD |
| PITA SOLUTIONS |
| PRAIRIE MUD SERVICE |
| PRODRILL FLUID TECHNOLOGIES |
| RCS ENERGY SERVICES LTD |
| RG MALLET OIL FIELD ENTERPRISE |
| RHEOTECH DRILLING FLUIDS |
| ROSS ENERGY SERVICES LTD |
| RPS ENERGY CANADA LTD |
| RYAN DRILLING TECHNOLOGY & SOLUTIONS |
| SEAWAY ENERGY SERVICES INC |
| SOUTHRIDGE PETROLEUM CONSULTING |
| STATUS ENGINEERING ASSOCIATES |
| SUMMIT DRILLING FLUIDS LTD. |
| TECHSTAR ENERGY ERVICES INC |
| TRISTAR RESOURCE MANAGEMENT LTD |
| VANOCO CONSULTING LTD |
| VERACITY ENERGY SERVICES LTD. |
| W.R. KELLER CONSULTANTS LTD. |
| WELL ENGINEERING INC. |
| WEST ROCK ENERGY CONSULTANTS |
| WESTERN CANADIAN CONSULTING |
| WINDALE OILFIELD SERVICES LTD. |
| WINDWARD RESOURCES LTD |
| XL FLUID SYSTEMS |
| ZIFF ENERGY GROUP |