SICCODE.comBusiness ListsConstructionSIC 1521 General Contractors-Single-Family Houses1521-24

Marketing category · 1521-24 Part of SIC 1521 Updated Nov 6, 2026

Attic & Basement Finishing Business List

Choose from 90 U.S. companies classified in Attic & Basement Finishing.

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Cited in 50+ academic and government sources →

90Companies
84Phones
90Websites
47Contact emails

What does 1521-24 Attic & Basement Finishing cover?

1521-24 is a more specific segment within SIC 1521 - General Contractors-Single-Family Houses.

Attic & Basement Finishing is a specialized industry within the broader category of General Contractors-Single-Family Houses. This industry involves the renovation and remodeling of attics and basements to create livable spaces within a home. The process typically includes adding insulation, flooring, walls, and ceilings, as well as installing electrical and plumbing systems. Attic & Basement Finishing companies work closely with homeowners to design and create functional and aesthetically pleasing living spaces that meet their specific needs and preferences.

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How it works

Available for this segment: 90 U.S. companies · 47 contact emails

From request to list in three steps.

Examples from the broader SIC 1521 General Contractors-Single-Family Houses industry. These businesses are not verified members of this 6-digit segment.

Company Contact & title Website Phone Employees
Ace Hardware Corp Oak Brook, IL
M D Building Products Oklahoma City, OK
Servpro Industries Inc Gallatin, TN
  • Ace Hardware Corp · Oak Brook, IL

    Contact Website Phone Employees
  • M D Building Products · Oklahoma City, OK

    Contact Website Phone Employees

Sample preview · details masked

  • Company: name, status, HQ/branch, year opened, public/private
  • Location: address, county, metro, latitude & longitude
  • Contacts: name, title, email (with verification status), phone
  • Firmographics: employees, sales volume, square footage, fleet size
  • Digital: website, LinkedIn and social profiles
  • Classification: SIC & NAICS (primary and secondary)

Some fields are available for selected records. See every field in the Data Dictionary →

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Expand your General Contractors-Single-Family Houses list

Attic & Basement Finishing (1521-24) is one of 53 segments within SIC 1521. Add other segments to reach more companies, or select the entire industry.

Marketing categories within SIC 1521
Code Segment Companies Build your list
1521-01 Patio & Deck Builders 1,777 1,777 companies
1521-02 Garage Builders 274 274 companies
1521-03 General Contractors 40,817 40,817 companies
1521-04 Carports 212 212 companies
1521-05 Home Improvements 14,723 14,723 companies
1521-06 Designers 697 697 companies
1521-07 Patio Porch & Deck Enclosures 313 313 companies
1521-08 Water Damage Restoration-Residential 0 0 companies
1521-09 Residential Designers 1,813 1,813 companies
1521-10 Solariums Sunrooms & Atriums 207 207 companies
1521-11 Screen Enclosures 174 174 companies
1521-12 Home Builders 26,875 26,875 companies
1521-13 Bathroom Remodeling 2,048 2,048 companies
1521-14 Fire Damage Restoration 1,352 1,352 companies
1521-15 Handyman Services 7,999 7,999 companies
1521-16 Mobile Homes-Improvements 11 11 companies
1521-17 Kitchen Remodeling & Planning Service 2,109 2,109 companies
1521-18 Mobile Homes Repairing & Service 330 330 companies
1521-19 Spa Builders 47 47 companies
1521-20 Closets-Designing & Remodeling 220 220 companies
1521-22 Sun Rooms Solariums Atriums Builders 41 41 companies
1521-23 Cabinets-Resurfacing & Refinishing 191 191 companies
1521-24 Attic & Basement Finishing 90 90 companies You are here
1521-25 Dormer Construction 1 1 company
1521-26 Gazebo Builders 23 23 companies
1521-27 Storm Shelter Contractors & Dealers 13 13 companies
1521-28 Basement Repair & Restoration 136 136 companies
1521-29 Disability Accessibility Renovations 66 66 companies
1521-30 Construction-Building Contractors 464 464 companies
1521-31 Solar Rooms & Additions 2 2 companies
1521-32 Dry Rot Repair 4 4 companies
1521-33 Timber Frame Homes 21 21 companies
1521-34 Enclosures 29 29 companies
1521-35 Mobile Offices & Coml Units Repairing 2 2 companies
1521-36 Construction Information Services 24 24 companies
1521-38 Deck Builders 741 741 companies
1521-39 Remodeling & Repairing Building Contractors 13,284 13,284 companies
1521-40 Chinking 2 2 companies
1521-42 Courts Construction-Indoor & Outdoor 9 9 companies
1521-43 Earth Home Construction 1 1 company
1521-44 Construction Companies 52,276 52,276 companies
1521-46 Termite Damage Restoration 218 218 companies
1521-47 Laser Construction 4 4 companies
1521-48 Office Renovation Service 4 4 companies
1521-49 Home Improvement Resource Guide 9 9 companies
1521-50 Trusses Repair 3 3 companies
1521-51 Bathroom Design & Installation 43 43 companies
1521-52 Home Building Consultants 12 12 companies
1521-53 Contractors-Design & Development 36 36 companies
1521-54 Home Builders-Modular 98 98 companies
1521-55 Outdoor Rooms & Living 23 23 companies
1521-56 Sauna Contractors 11 11 companies
1521-57 Interior Furnishings Contractors 35 35 companies

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Your free sample includes example companies matching your target industry, with available business details such as company names, locations, phone numbers, and websites. You can review the data before deciding to purchase. Email addresses are not included in free samples.

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Our business database is regularly maintained and updated. Each purchased list is checked again before delivery, including website and business-activity reviews where available, to help identify outdated or mismatched records. Read our data verification methodology →

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Business lists are available in CSV, Excel-compatible, and text formats. Other delivery options may be available depending on your requirements. We'll confirm the format before preparing your list.

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Yes. Business email contacts are available by request for eligible U.S. lists, where available. Canadian business lists do not include contact email addresses. You're responsible for ensuring your outreach complies with applicable email marketing laws.

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Every business list is prepared specifically for your order and reviewed by our team before delivery.

We evaluate companies against your specific targeting criteria, review available company websites and business information, and score leads for relevance to your target market or campaign.

Each purchased list is re-scanned on the day of delivery to help identify outdated, closed, or misclassified businesses.

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Classification

Division C Construction › 15 Building Construction General Contractors and Operative Builders › 152 General Building Contractors-Residential › 1521 General Contractors-Single-Family Houses › 1521-24 Attic & Basement Finishing · Related NAICS: 236115 +1 more (via SIC 1521) · Classification methodology →

1521-24 is a 6-digit marketing category that extends the official 4-digit SIC code. It is not an official SIC classification. For government forms and filings, use SIC 1521.