| Company | Purchasing Professional
All Purchases <$50,000 | Purchasing Professional
All Purchases >$50,000 |
| Belle River Fuels Co., LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| Bellefontaine Gas Producers LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Blue Water Renewables, Inc. | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Burns Harbor Fuels Co., LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| Citizens Gas Fuel Company | Christina Trumbull 517.264.4439 | Christina Trumbull 517.264.4439 |
| Davidson Gas Producer LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Denton Power LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Backup Generation Equipment Leasing | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Biomass Energy Inc. | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Burns Harbor, LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Calvert City, LLC | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE Carbon LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| DTE Chicago Fuels Terminal | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE Coal Services Inc. | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| DTE Dearborn LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Defiance LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Dickerson LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| DTE East China LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / ITP-1 | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / ITP-2 | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / MACK-1 | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / MACK-2 | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / SHAP | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / SSP | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / TNAP | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center LLC / WTAP | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Energy Center Oper | Steve Jolliffe 734.214.5121 | Steve Jolliffe 734.214.5121 |
| DTE Energy Resources, LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| DTE Energy Services Inc. / Ann Arbor Hdqrs. | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| DTE Energy Services Inc. / IIT | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE Energy Supply Inc. | Joyce Kubacz 734.887.2002 | Joyce Kubacz 734.887.2002 |
| DTE Energy Trading | Joyce Kubacz 734.887.2002 | Joyce Kubacz 734.887.2002 |
| DTE Energy Ventures | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Energy ES Operations | Steve Jolliffe 734.214.5121 | Steve Jolliffe 734.214.5121 |
| DTE Heritage LLC | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE Lordstown LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Methane Resources LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| DTE Moraine LLC | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE Mt. Poso, LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Northwind LLC | Stephanie Norton 734.913.2205 | Beth LaFeve 734.302.4886 |
| DTE PCI Enterprises Co. | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE PetCoke LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Pittsburgh LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Pontiac North LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| DTE Sparrows Point LLC | Linda Abbott 410.477.0626 | Beth LaFeve 734.302.4886 |
| DTE Stockton LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| DTE Stoneman LLC | Kathryn Ottesen 608.725.5141 | Deborah L Brown 734.302.4888 |
| DTE Tonawanda LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| EES Coke Battery LLC | Susanne Seitz 313.216.2512 | Deborah L Brown 734.302.4888 |
| Enerdyne Limited LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Fayetteville Gas Producers | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Iredell Transmission LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Metro Energy LLC | Amanda Muchler 734.302.8215 | Deborah L Brown 734.302.4888 |
| Midwest Energy Res. CO | Lisa Sturm 715.395.3547 | Lisa Sturm 715.395.3547 |
| Montgomery Gas Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Neville Coke, LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| Neville Island Fuels LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| Oklahoma Gas Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Orlando Gas Producers Inc. | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Phoenix Gas Producers LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Pinnacle Gas Producers LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Potrero Hills Energy Producers LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Raleigh Steam Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Riverview Gas Producers Inc. | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Shenango, Inc. | Sloan VanCamp 412.777.6629 | Deborah L Brown 734.302.4888 |
| St Clair Fuels Co., LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |
| Sunshine Gas Producers | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Wake Gas Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Waverly Gas Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Westside Gas Producers LLC | Beth LaFeve 734.302.4886 | Beth LaFeve 734.302.4886 |
| Wichita Gas Producers LLC | Deborah L Brown 734.302.4888 | Deborah L Brown 734.302.4888 |
| Woodland Biomass Power LTD | Mary Simpson 530.661.6095 | Beth LaFeve 734.302.4886 |
| Zug Island Fuels Co., LLC | Allan Laduke 734.913.5467 | Allan Laduke 734.913.5467 |