HomeServicesProjectsLinksContactUs Copyright 2008 Duffy Engineering. All Rights Reserved. Written permission must be secured from Duffy Engineering to use or reproduce any part of this web site. About Us | Services | Links | Contact Us CL Distributing Plant Expansion - Sauk Rapids On this project,...

HomeServicesProjectsLinksContactUs Copyright 2008 Duffy Engineering. All Rights Reserved. Written permission must be secured from Duffy Engineering to use or reproduce any part of this web site. About Us | Services | Links | Contact Us Services Surveying - GPS services and surveying, Remonumentati...

HomeServicesProjectsLinksContactUs Copyright 2008 Duffy Engineering. All Rights Reserved. Written permission must be secured from Duffy Engineering to use or reproduce any part of this web site. About Us | Services | Links | Contact Us Surveying The Land Survey Departments staff is composed of a Pro...

HomeServicesProjectsLinksContactUs Copyright 2008 Duffy Engineering. All Rights Reserved. Written permission must be secured from Duffy Engineering to use or reproduce any part of this web site. About Us | Services | Links | Contact Us Northland Circle Office Building - Brooklyn Park, MN Duffy Eng...

HomeServicesProjectsLinksContactUs Copyright 2008 Duffy Engineering. All Rights Reserved. Written permission must be secured from Duffy Engineering to use or reproduce any part of this web site. About Us | Services | Links | Contact Us Civil Engineering We have extensive experience handling many d...