| Administrative Controls Management, Inc. |
Advanced Power |
| Aerial Hydraulic Repair, Inc. |
Altec Industries, Inc. |
| American Energy Services, Inc. |
AZCO Inc |
| Baker Tilly |
Barr Engineering Co. |
| Ben F. Thomas Sales Co. |
Bitlyft |
| Black & Veatch |
Border States |
| Century A&E |
The Christman Company |
| 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 |
ETNA Supply |
| Farabee Mechanical, Inc. |
Fishbeck |
| Franklin Energy Services LLC |
Fujitsu Network Communications |
| GAR-NET Associates |
GDS Associates |
| Genics Inc. |
Granger Construction Company |
| GRP Engineering, Inc. |
HDR |
| HEK Inc |
Hydaker-Wheatlake Company |
| Irby Utilities |
Jennings Strouss & Salmon, PLC |
| Juhl Energy, Inc. |
Karoub Associates |
| Kent Power, Inc. |
Kiewit Engineering Group Inc. |
| KW Associates |
Lawson-Fisher Associates, P.C. |
| Marshall Energy Center |
MC Power Companies |
| Michigan Cat |
Michigan Electric Cooperative Association |
| Michigan Energy Options |
Midwest Utility Sales |
| Milwaukee Tool |
MJ Electric, LLC |
| mPower Innovations |
Nelson Tree Service, Inc. |
| Newkirk Electric Associates |
Nighthawk |
| Nokia |
Northland Securities |
| 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 |
| Sargent & Lundy |
Sawvel and Associates |
| Sensus |
Slipstream |
| Somes-Nick & Co. |
Spectrum Engineering Corporation |
| 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. |
| Turner Electrical Services |
Utilities Instrumentation Service |
| Utility Consulting Group, LLC |
Utility Financial Solutions |
| Utility Sales and Service |
Versalift Midwest, LLC |
| Wartsila North America |
Varnum Law Firm |
| Woodlyn Sales |
W.W. Williams |
