This page lists those who have supported the design, planning, or construction of the Middleton Green Home:
| Company | Role | Contact Info |
| Acker Builders | General Contractor | Jenny, Matt, Wayne Acker 608-850-6650 |
| Alpine Insulation | Insulation | 800-924-5131 |
| American TV | Appliances | Evelyn Harris 608-271-1000 |
| Dave Jones Plumbing | Plumbing | Pat Schafer 608-222-8490 |
| Flanders Electric | Electrical | Dan Flanders 608-839-4396 |
| H&H Solar Energy Services | Solar Panels | Chris Collins 608-273-4464 |
| Jim Pope Team | Construction & permanent financing | Jim Pope 608-282-4821 |
| Modern Heating & Cooling | HVAC (Geothermal) Contractor | Matt Hoeffner 608-767-2689 |
| Trinity Environmental LLC | Energy Star consultant / Green Built Home verifier | Laura Paprocki 608-332-5609 |
| Zander Solutions | Radon mitigation and sump pit sealing | Zander Solutions 608-833-6620 |
