The Green House Project Partner - Green House® initiative
Dorsky, Hodgson, Parrish, & Yue - Architectural design
Progressive AE - Interior Design
Elzinga & Volkers - Construction contractor

Special thanks to all the subcontractors that assisted in the construction of Porter Hills' GREEN HOUSE® Homes.

Alliance Roofing & Siding
Canyon Creek Masonry, Inc.
Closet Concepts Inc.
Distinctive Group, Inc.
Dondi Company, LLC
Dykema Excavators Inc.
Exxel Engineering Inc.
Fire-Fighter Sales & Service
Fishbeck, Thomspon, Carr & Huber, Inc.
Godwin Plumbing, Inc.
Halligan Painting, Inc.
Heyboer & Bolt
Heyboer & Komdeur Electric, Inc.
Hitchcock Design Group
Integrated Engineering Consultants, Inc.
Katerberg VerHage
MAG Insulation
Materials Testing Consultants, Inc.
One Call Construction Inc.
Premier Caulking Inc.
Quality Air Heating & Cooling  Inc.
Quality Door Inc.
Quality Drywall of West MI LLC
R.A. Holmes Construction, Inc.
S.A. Morman & Co.
Stock Building Supply
Superior Glass Co.
Superior Wood Products Inc.
Thorson Baker & Assoc. Inc.
Triad Fire Suppression Inc.
Williams Kitchen & Bath