Construction company in Dubuque

AgentData lists 7 construction companies in Dubuque, United States. Updated May 2026.

7 businesses1 with websites
Conlon Construction Co.

450, Huff Street, Dubuque, 52003, IA

MaussCo

595, Huff Street, Dubuque, 52003, IA

Full profile
Ploessl Construction
Stewart Construction

1250, Washington Street, Dubuque, 52001, IA

Also in Dubuque

Place of worship ()Elementary school ()Restaurant ()Campground ()Fast food restaurant ()Fuel supplier ()Private sector bank ()Bar ()

Construction company in nearby cities

Naples ()Wayne ()Park Slope ()Fitchburg ()Charleston ()San Jose ()Gardner ()Grand Junction ()

Frequently asked questions

How many construction companies are in Dubuque?

AgentData lists 7 construction companies in Dubuque as of May 2026.

Which construction companies in Dubuque have a website?

1 of 7 construction companies in Dubuque have a website with verified contact details.

Is this data free?

Yes. AgentData is completely free — no credit card, no trial period, no paid tiers.

How is this data collected?

Business listings are sourced from OpenStreetMap and verified through our web crawler, which checks websites for email addresses, phone numbers, and technology stacks.

Access this data via API
GET /api/local-businesses?category=construction-company&city=dubuque