| Chieftain BioFuels LLC | 32919 Logan Horns Mill Rd, | Logan, OH 43138 | 740-385-6883 | |||
| EMEGA Biopolymers LLC | 30248 Industrial Park Dr., | Logan, OH 43138 | 740-236-1450 | |||
| EMEGA Turbine Technologies LLC | 30248 Industrial Park Dr., | Logan, OH 43138 | 740-236-1450 | |||
Hocking College Energy Institute | 30140 Isles Rd | Logan, OH 43138 | 740-380-9315 | |||
| Solar Vision, LLC | 285 Old County Line Road | Westerville, OH 43085 | 614-212-4933 | Website | ||
| Spark Productions | 30248 Industrial Park Drive, | Logan, OH 43138 | 614-477-2683 | Website |