| Administrative Controls Management, Inc. |
Advanced Power |
| Aerial Hydraulic Repair, Inc. |
Altec Industries, Inc. |
| American Energy Services, Inc. |
Anixter |
| AZCO Inc |
Baker Tilly |
| Barr Engineering Co. |
Barton Malow |
| Ben F. Thomas Sales Co. |
Bitlyft |
| Black & Veatch |
Border States |
| Century A&E |
The Christman Company |
| CityInsight |
Clarke Energy |
| Collaborative Learning |
Contract Land Staff |
| Commonwealth Associates, Inc. |
CPV Mason Road |
| Crossroads Mobile Maintenance |
CSI Utility Sales |
| CTC Engineering |
Dickinson Wright PLC |
| Eaton: Cooper Power Systems |
Electrical Resources Company |
| ELUS Company |
Emerald Transformer |
| Farabee Mechanical, Inc. |
Firmatek |
| Fishbeck |
Franklin Energy Services LLC |
| Fujitsu Network Communications |
GAR-NET Associates |
| GDS Associates |
Genics Inc. |
| Granger Construction Company |
GRP Engineering, Inc. |
| HDR |
Hydaker-Wheatlake Company |
| Jennings Strouss & Salmon, PLC |
Juhl Energy, Inc. |
| Irby Utilities |
Karoub Associates |
| Kent Power, Inc. |
Kiewit Engineering Group Inc. |
| KW Associates |
Latham & Watkins, LLP |
| Lawson-Fisher Associates, P.C. |
Marshall Energy Center |
| MC Power Companies |
Megger |
| Michigan Cat |
Michigan Electric Cooperative Association |
| Midwest Utility Sales |
Miron Construction |
| Mitsubishi Hitachi Power Systems |
MJ Electric, LLC |
| mPower Innovations |
Nelson Tree Service, Inc. |
| NESCO Specialty Rentals |
Newkirk Electric Associates |
| Nokia |
NTH Consultants, LTD |
| Okonite Company |
Origis Energy USA |
| Osmose Utilities Services, Inc. |
Power Line Supply |
| PowerLink Electrical Sales |
Power System Engineering, Inc. |
| Premier Power Maintenance Corporation |
Renewable World Energies, LLC |
| RESCO |
S & C Electric Co. |
| Sargent & Lundy |
Sawvel and Associates |
| Sensus |
Somes-Nick & Co. |
| Spectrum Engineering Corporation |
The SPE Group |
| Spiegel & McDiarmid, LLP |
SSOE Group |
| Sunbelt Solomon Solutions |
T&R Electric Supply Company |
| Tech Products, INC. |
Terex USA |
| Theka Associates Engineering, Inc. |
Total Electric Power Sales, Inc. |
| Utilities Instrumentation Service |
Utility Consulting Group, LLC |
| Utility Financial Solutions |
Utility Sales and Service |
| Varnum Law Firm |
Versalift Midwest, LLC |
| Wartsila North America |
Woodlyn Sales |
| W.W. Williams |
