Active Iowa Construction Contractor Registrations

This list provides data on all individual contractors and businesses performing "Construction" work within Iowa who have active registrations. Individuals contractors and business must register and renew annually if earning at least $2,000.00 a year from construction. The North America Industry Classification System (NAICS) is used to determine which employers will be classified as construction. The full definition of construction employer can be found in 871 Iowa Administrative Code 23.82.


Primary activities for construction based on NAICS categories include the following:

• 230000 - Other/Undefined
• 236115 - New Single-Family Housing Construction
• 236116 - New Multifamily Housing Construction
• 236117 - New Housing For-Sale Builders
• 236118 - Residential Remodelers
• 236210 - Industrial Building Construction
• 236220 - Commercial & Institutional Bldg Construction
• 237110 - Water/Sewer Line Construction
• 237120 - Oil/Gas Pipeline Construction
• 237130 - Power/Communication Line Construction
• 237210 - Land Subdivision
• 237310 - Highway/Street and Bridge Construction
• 237990 - Other Heavy/Civil Engineering
• 238110 - Poured Concrete Foundation Contractors
• 238120 - Structural Steel/Precast Concrete Contractors
• 238130 - Framing Contractors
• 238140 - Masonry Contractors
• 238150 - Glass and Glazing Contractors
• 238160 - Roofing Contractors
• 238170 - Siding Contractors
• 238190 - Other Foundation/Structure & Bldg Exterior
• 238210 - Electrical and Wiring Installation
• 238220 - Plumbing/Heating & A/C Contractors
• 238290 - Other Building Equipment Contractors
• 238310 - Drywall & Insulation Contractors
• 238320 - Painting & Wall Covering Contractors
• 238330 - Flooring Contractors
• 238340 - Tile/Terrazzo Contractors
• 238350 - Finish Carpentry Contractors
• 238390 - Other Building Finishing Contractors
• 238910 - Site Preparation Contractors
• 238990 - All Other Specialty Trade Contractors
  Organization: State of Iowa
  Organization URL: https://catalog.data.gov/organization/iowa
  Last updated: 2025-09-22T20:05:26.539359+00:00
  Tags: construction, contractors