Loken Builders
- Construction and consulting company focusing on energy and resource efficient construction methods and materials.
- http://www.lokenbuilders.com/

GreenStreet Construction and Consulting
- Construction firm specializing in high-performance green building for both new construction and renovation. Also provide LEED consulting and solar, wind, and geothermal energy system design and installation.
- http://www.greenstreetinc.com

Green-Haus
- Sustainable design research and consulting for architects, builders/developers, agencies and owners. Specialist in technical Internet research regarding environmental aspects relating to buildings and design.
- http://home.earthlink.net/~dlombard

The Green Engineer
- Sustainable design consulting firm. Services include LEED Certification, plan review, charette facilitation, mechanical engineering, and energy modeling. Site includes a list of ideas and technologies for making your building green.
- http://www.greenengineer.com

Green Building Services
- Sustainable design consultants providing LEED project management, design consultation, workshops & training, technical analysis, and specification assistance. Includes reports on several sustainable design strategies.
- http://www.greenbuildingservices.com/

Castleblock
- Architects and engineers in Hawai'i specializing in alternative building materials and technologies with a focus on high-performance, recycled content materials. Also dealers for concrete forms, plywood substitute, and recycled rubber lumber products.
- http://www.castleblock.com

Building Concerns
- Interior design consultant for sustainable products.
- http://www.interiorconcerns.com/