Development        Construction        Property Management        Sales

Commercial & Residential Real Estate:

Proudly ranked in the top 20 for Largest Milwaukee Area Construction Firms!

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Property Management

Our diversified portfolio includes residential investment, community association and commercial facilities. Operating as Forest Green Realty & Management or EC Commercial Real Estate our professional teams can assist you in the management of any property type to gain the results you are seeking.



Buying or Selling? Looking to lease commercial space or find a tenant to lease your space? Let our brokerage team assist you to turn those goals into reality.

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Construction & Improvements

Whether you are looking to build something brand new or looking to update your existing structure; our development team will be able to assist as your preferred general contractor.

Alicia Alexander

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Maintenance & Repairs

Service technicians offer a wide array of skills to tackle most day-to-day maintenance that may arise. From per time services to scheduled weekly or monthly maintenance our technicians are here to help.


Our service division is also available 24/7 for after-hours emergencies.

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For Rent - Residential

Forest Green Realty & Management manages multiple apartment rental communities.


Contact us today to discuss our current availability that may meet your needs.


About Us

Ener-Con Companies, Inc. was started in 1985 by a driven entrepreneur with the idea of creating energy efficient multi-family housing. We have since grown to be industry leaders in new construction, tenant improvements, property management and asset management.

Contact us today to see how our team may assist you.