Bilsen Engineering, Septic Systems, Earthmoving, Roadways, Engineering and Planning, Welcome! Return to Directory Address 11950 W. Rebecca Ct. City Greenfield State WI Country US Telephone 262-330-2558 Website http://www.bilsenengineering.com Rating (average) (0) If Yes, please list all of your updates, improvements, enhancements, etc. that you\\\'ve made since last year. First time submitting site! Ratings There are no reviews yet. Please login to leave a review. Contact listing ownerSend Message Name Email Phone Number Message