| Administrative Controls Management, Inc. |
Advanced Power |
| Aerial Hydraulic Repair, Inc. |
Altec Industries, Inc. |
| American Energy Services, Inc. |
Anixter |
| Baker Tilly |
Barr Engineering Co. |
| Barton Malow |
Ben F. Thomas Sales Co. |
| Bitlyft |
Black & Veatch |
| Century A&E |
The Christman Company |
| CityInsight |
Clarke Energy |
| Collaborative Learning, Inc. |
Contract Land Staff |
| CPV Mason Road |
Commonwealth Associates, Inc. |
| CSI Utility Sales |
CTC Engineering |
| Dickinson Wright PLC |
Dig-It, INC. |
| Eaton’s Cooper Power |
EDF Renewables |
| Electric Power Systems, International |
Electrical Resources Company |
| ELUS Company |
Emerald Transformer |
| Energis High Voltage Resources, Inc. |
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. |
Homeland Solar |
| Hydaker-Wheatlake Company |
Irby Utilities |
| Jennings Strouss & Salmon, PLC |
Juhl Energy, Inc. |
| Kent Power, Inc. |
Kiewit Engineering Group Inc. |
| Karoub Associates |
Kriz-Davis, a division of Border States |
| KW Associates |
Lake Cable, LLC |
| Latham & Watkins, LLP |
Lawson-Fisher Associates, P.C. |
| M.J. Electric, Inc. |
Marshall Energy Center |
| MC Power Companies |
Michigan Cat |
| Michigan Electric Cooperative Association |
Midwest Utility Sales |
| Miron Construction |
Mitsubishi Hitachi Power Systems |
| mPower Innovations |
Nesco Sales & Rentals |
| NewGen Strategies & Solutions |
Nelson Tree Service, Inc. |
| Newkirk Electric Associates |
Nokia |
| NTH Consultants, LTD |
Okonite Company |
| Origis Energy USA |
Osmose Utilities Services, Inc. |
| Power Line Supply |
PowerLink Electrical Sales |
| Premier Power Maintenance Corporation |
Power System Engineering, Inc. |
| Premier Truck Rental |
RESCO |
| Renewable World Energies, LLC |
S & C Electric Co. |
| Sargent & Lundy |
Solomon Corporation |
| Somes-Nick & Co. |
Sawvel and Associates |
| The SPE Group |
Spiegel & McDiarmid, LLP |
| SSOE Group |
T&R Electric Supply Company |
| Tech Products, INC. |
Theka Associates Engineering, Inc. |
| Total Electric Power Sales, Inc. |
Terex USA |
| Utilities Instrumentation Service |
Utility Consulting Group, LLC |
| Utility Financial Solutions |
Utility Sales and Service |
| Varnum, Riddering, Schmidt & Howlett, LLP |
Volta Power Systems |
| Wartsila North America |
Versalift Midwest, LLC |
| Woodlyn Sales |
W.W. Williams |
