238190 - Other Foundation, Structure, and Building Exterior Contractors

The construction industry is a vast and diverse field, with many specialized services playing critical roles in building projects. One essential classification within this sector is NAICS code 238190, designated for Other Foundation, Structure, and Building Exterior Contractors. This code encompasses a variety of niche construction activities that are crucial for foundations, structural supports, and exterior building finishes. Whether you’re a contractor, supplier, or looking to understand government contracting classifications, knowing about NAICS 238190 can give you an edge in understanding industry opportunities and compliance.

What is NAICS Code 238190?

NAICS code 238190 identifies establishments primarily engaged in specialized construction activities related to:

• Foundations
• Structural components
• Building exteriors

These activities are not classified elsewhere within the construction sector, making this code particularly broad yet specialized. Examples of work covered include foundation pouring, structural steel erection, exterior finishing, and other specialized installation and construction services.

Key Aspects Covered by NAICS Code 238190:

• Pouring and forming concrete foundations
• Erecting structural steel frameworks
• Installing metal balconies and fire escapes
• Applying exterior finishing materials
• Specialized metal work such as decorative steel and wrought iron
• On-site welding services related to structures

Sector and Typical Business Activities

NAICS 238190 falls within the Construction Sector, specifically under Specialty Trade Contractors. Businesses operating under this code offer vital expertise that supports the core structural integrity and external functionality of buildings.

Typical Business Activities Include:

• Foundation pouring and forming contractors
• Structural steel erection contractors
• Building exterior finishing contractors
• Metal furring and decorative metal work installation
• Installation of awnings, shutters, and metal stairways
• Application of epoxy coatings and urethane soil stabilization
• Fire escape installation and cathodic protection systems

Small Business Size Standard

For businesses classified under NAICS 238190, the small business size standard is an average annual revenue of $19 million dollars or less. This threshold is critical for businesses seeking small business certifications or government contracting opportunities targeting small enterprises.

Examples of Businesses Under NAICS 238190

To provide clarity, here are some typical examples of business types and activities in this classification:

• Foundation Pouring Contractors – specializing in concrete foundations and formwork
• Structural Steel Erection Contractors – assembling steel frameworks for buildings
• Building Exterior Finishing Contractors – installing curtain walls, storefronts, and decorative metal finishes
• Urethane Soil Stabilization Contractors – improving soil stability for foundation support
• Epoxy Application Contractors – applying protective coatings to building exteriors

Detailed Code Activities Table

Activity	Description
Awning installation	Installing fabric or metal coverings over windows or entrances
Balcony, metal, installation	Assembling and installing metal balcony structures
Cathodic protection, installation	Installing systems that prevent corrosion on metal foundations
Concrete form contractors	Constructing and dismantling forms for poured concrete
Curtain wall, metal, installation	Installing non-structural metal exterior surfaces on buildings
Deck and grate (except roof), metal, installation	Mounting metal decks and grates on structures (excluding roof decks)
Decorative steel and wrought iron work installation	Adding ornamental metal pieces to buildings
Epoxy application contractors	Applying epoxy coatings for protection and finishing
Erection and dismantling, poured concrete form	Constructing and removing concrete forms onsite
Falsework construction	Building temporary structures to support permanent construction
Fire escape installation	Installing external emergency exit stairways
Forming contractor	Specialist in creating poured concrete forms
Forms for poured concrete, erecting and dismantling	Setting up and removing molds for concrete placement
Metal furring contractors	Installing metal strips and channels to support walls or ceilings
Ornamental metal work installation	Adding decorative metal elements on building exteriors
Shutter installation	Attaching window shutters, often metal or wood
Stairway, metal, installation	Installing metal staircases on building exteriors
Storefront, metal or metal frame, installation	Installing metal framing systems for storefronts and entrances
Urethane slabjacking contractors	Using urethane material to lift and stabilize concrete slabs
Urethane soil stabilization contractors	Applying urethane to improve soil conditions for foundations
Welding, on-site, contractors	Providing welding services directly at construction sites

Frequently Asked Questions (FAQs)

What does NAICS code 238190 include that other foundation or building exterior codes don’t?

NAICS 238190 captures specialized foundation, structural, and exterior contractor activities that are not classified in other more specific codes. It fills the gap for niche construction services that work on foundational and exterior elements beyond general contractors.

Are structural steel erection contractors included in this NAICS code?

Yes, contractors who erect structural steel frameworks fall under NAICS 238190.

What is the size standard for small business eligibility under this code?

The current small business size standard for NAICS 238190 is an average annual revenue of $19 million or less.

Can a company that only installs metal storefronts be classified under 238190?

Yes, installation of metal storefronts falls under this NAICS code.

Is on-site welding part of NAICS 238190 services?

Absolutely, welding contractors providing on-site services related to foundations and building structures are included.

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Conclusion

NAICS code 238190 - Other Foundation, Structure, and Building Exterior Contractors - represents a vital segment of the construction industry that focuses on specialized and essential structural and exterior work. From foundation pouring to decorative ironwork, businesses under this classification provide indispensable services ensuring building durability, safety, and aesthetics. For contractors, suppliers, and clients alike, understanding this code can help navigate industry standards, bidding opportunities, and government contracts effectively.

If your business specializes in any of these specialized construction activities, knowing your NAICS classification and size standards can open doors to new projects and government procurement opportunities. Stay compliant, competitive, and connected with NAICS 238190.