From the Green Squared Building Association:

Our group is devoted to promoting more energy-efficient and earth-friendly buildings in the River Valley Area.

We are builders, architects, building material manufacturers, contractors, consultants,
and other interested individuals.

Our Guiding Principles:
Efficient use of energy and water
Use of local materials and labor
Use of renewable energy and resources
Durability of Construction
Reuse and Recycling of materials
Creating buildings that are healthy for occupants and the environment

Founding Members:

Julie Kardatzke
Julie Kardatzke Architect, LLC
408 West Leeson Street, Spring Green, WI 53588
608 588 7105

Jim Birkemeier
Timbergreen Farm
S11478 Soeldner Rd
Spring Green, WI 53588
608 588 7342
website: Local Wood

David Schinke
David J. Schinke Contruction, LLC
3881 Schreiner Rd
Spring Green, WI 53588
608 583 2737
Log Homes, Timber Frames, Standard Construction

Alex Greene
Red Beard Lumber, LLC
PO Box 88
Spring Green, WI 53588
608 354 2585
Red Beard Lumber – Spring Green, WI

Nate Robson
Robson Construction
E4655 Ruetten Dr.
Spring Green WI 53588
(608)574-1171 email: New Construction, Remodeling, Windows, Siding, & Decks.

Bryan Butteris
Butteris Construction and Woodworking, LLC
3698 Sinbad Rd
Dodgeville, WI 53533
608 574 8810
Custom Homes, Timber Framiing

Jerry Anding
ASAP Heating and Cooling, LLC
Spring Green, WI 53588
608 588 2727
608 370 2727
Sales, Service, Installation of Heating and Cooling Systems