- Automatic Building Controls
 - Building, energy, and temperature control management systems in northern Illinois, southern Wisconsin, and northwestern Indiana. - Forslund Building Supply, Inc.
- Building supply company serving the U.P. of Michigan and Northern Wisconsin.
- Hedberg Aggregates
- Suppliers of natural stone, landscaping and hardgoods to Minnesota and western Wisconsin.
- Hein Electric Supply Company
- Electrical wholesale distributor serving the construction and maintenance market.
- Lincoln Contractors Supply, Inc.
- Milwaukee, Wisconsin.
- Prestige Homes
- Custom home builders in Northeast Wisconsin.
- R&O Elevator Company, Inc.
- Elevator and escalator instalation, service, repair and modernization.
- Rockland System Built Homes
- Building modular homes in western Wisconsin, southeastern Minnesota, and northeastern Iowa.
- Wisconsin Manufactured Housing Association
- Wisconsin Plus 5 Homeowners Protection Plan
- Offers homeowners a 5 year extension on the warranty of electrical systems in new homes.
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