Water and Energy Systems Corp
Geothermal heat pump and geoexchange system design and distribution company serving the Northeastern U.S.A.

Middleton Sales Company
Distributor of Florida Heat Pumps and provides swimming pool heaters.

Jones Home Comfort, Inc.
Supplier of the Water Furnace line of geothermal heating and cooling units for residential, commercial, or government customers.

ICE Energy Ltd.
UK suppliers of IVT ground source heat pumps and provide a complete supply and installation service for the ground loop and the heat pump.

FHP Manufacturing
Manufactures only water source heat pumps.

Hydron Geothermal Systems
Design, consulting and sales of geothermal systems using stainless steel heat pumps . Projects include residential, industrial and commercial applications. Service area includes Michigan, Indiana and Ohio.

Environmentally Engineered Equipment, Inc.
EEE designs and manufactures refrigeration heat reclaim and heat pump systems. Offers download specification sheets, FAQs, photos and product line resources. Based in Dallas, Texas.

Enerflow Technologies CC
Designs and manufactures heat pumps and hot water systems. Overview of products and services, company background, past projects, and contact details. Based in Potchindustria, Potchefstroom, South Africa.

ECR Technologies, Inc.
Manufacturer of EarthLinked, eothermal, geo exchange, ground source heat pumps.

ClimateMaster, Inc.
Designs and manufactures water source heat pumps. Provides an overview of geothermal product lines for residential and commercial applications; download of literature library; parts and accessories; and contact details. Based in Oklahoma City, Oklahoma.

Continental Services
Offering ground-source heat pumps and radiant heating systems for residential and commercial properties. Maryland, USA.

Econar Energy Systems, Corporation
Manufacturer of geothermal heat pumps. Includes case studies, publications and manuals.