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SIC 1987 Legacy USA
Code
5030

SIC 5030 — WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS

Office of Trade & Services

Convert SIC 5030 to NAICS 2022

See the full crosswalk with NAICS matches, SBA size standards, and conversion guidance.

Frequently asked questions

What is NAICS 5030?
NAICS 5030 is the North American Industry Classification System code for WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS. It classifies this business activity for statistical, regulatory, and government procurement purposes. Federal agencies use NAICS codes to collect and publish data about the US economy, determine SBA size standards, and set aside contracts for small businesses.
What licenses and permits does a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS need?
A WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS typically needs a local business license, a federal EIN from the IRS, and industry-specific permits depending on the sector. Check with your city or county clerk for a general business license, your state's professional or industry licensing board for any required occupational licenses, and your state's tax authority for a sales tax permit if you sell taxable goods or services.
How do I register a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS business in the United States?
To register a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS business, first choose your legal structure: sole proprietorship (simplest, uses SSN), LLC (personal liability protection, files with your Secretary of State), or corporation (Form 1120 or 1120-S). Register your business name (DBA) with your county if operating under a trade name. Obtain an EIN from the IRS at irs.gov/ein. Register with your state revenue department for any applicable taxes.
What tax forms does a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS file with the IRS?
Tax forms depend on your entity type. A sole proprietor files Schedule C with Form 1040 and Schedule SE for self-employment tax (15.3%). An LLC taxed as a partnership files Form 1065 with Schedule K-1s. A C-Corporation files Form 1120 (21% flat rate). An S-Corporation files Form 1120-S. All businesses paying employees file Form 940 (FUTA) annually and Form 941 quarterly. Estimated tax payments are made via Form 1040-ES four times per year.
Is WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS the right NAICS code for my business?
Your NAICS code should reflect your primary business activity — the one generating the most revenue or value. If WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS describes your main line of business, NAICS 5030 is likely correct. If you have multiple distinct activities, you may need separate codes for statistical reporting. For federal contracting, your SAM.gov registration should use the code that best matches the work you perform. Review the official NAICS 5030 description and exclusions to confirm it fits your operations.
What contractor license does a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS need?
Most states require a general contractor license for projects above a dollar threshold (typically $500-$50,000 depending on the state). Requirements include passing a trade and business/law exam, documenting 2-5 years of experience, providing a surety bond ($5,000-$100,000+), and carrying general liability insurance. Electrical, plumbing, and HVAC require separate specialty licenses in virtually all states with additional trade-specific exams.
Does a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS need workers' compensation insurance?
Workers' compensation is required in nearly every state for businesses with employees. Exceptions exist for sole proprietors and partners (who can opt-out in most states but should consider coverage) and very small employers in some states. Texas is the only state where workers' comp is entirely voluntary. Construction businesses often face higher rates due to risk classification. Failure to carry required coverage can result in fines, stop-work orders, and personal liability for workplace injuries.
What OSHA requirements apply to a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS?
All employers must provide a workplace free from recognized hazards under the OSH Act. OSHA recordkeeping (Form 300/300A/301) is required for employers with more than 10 employees unless exempt as a low-hazard industry. OSHA 10-hour or 30-hour construction outreach training is highly recommended and may be required by state law or project specifications. Fall protection (29 CFR 1926.501) is required at 6 feet in construction. Failure to comply can result in citations up to $15,625 per violation.
Does a WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS need a contractor bond?
Most states require contractor license bonds (also called surety bonds) ranging from $5,000 to $100,000+ depending on license classification and project value. The bond protects consumers if the contractor fails to complete work per the contract or violates license law. Bond premiums typically cost 1-3% of the bond amount annually. Additional payment and performance bonds may be required on public works projects under the Miller Act (federal) or Little Miller Acts (state).

How to register a wholesale-lumber & other construction materials business in the US

1
Verify classification

Confirm that WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS describes your construction or contracting activity.

2
Register for an EIN (Form SS-4)

Required for most construction business entities.

IRS EIN application
3
Obtain state contractor license

Contact your state contractor licensing board — requirements vary widely by state and trade.

4
Comply with OSHA safety standards

Construction-specific OSHA standards (29 CFR 1926) apply; maintain safety program and training records.

5
Secure liability and workers' comp insurance

General liability and workers' compensation insurance are typically required for contractor licensing and client contracts.

US Tax Forms & Registration

Form NameWho Files ItFrequency
Profit or Loss from Business
U.S. Return of Partnership Income
U.S. Corporation Income Tax Return
U.S. Income Tax Return for an S Corporation
Self-Employment Tax
Estimated Tax for Individuals
Application for Employer Identification Number (EIN)
Entity Classification Election
Nonemployee Compensation
Employer's Annual Federal Unemployment (FUTA) Tax Return
Employer's Quarterly Federal Tax Return
Request for Taxpayer Identification Number and Certification

Entity Comparison

$

No federal sales tax in the United States. Sales tax is imposed at state and local levels, ranging from 0% to 10.25%. Economic nexus thresholds (following South Dakota v. Wayfair) require out-of-state sellers to collect sales tax once they exceed a state's revenue or transaction threshold, typically $100,000 in sales or 200 transactions per year.

No state income tax: Alaska (AK), Florida (FL), Nevada (NV), New Hampshire (NH), South Dakota (SD), Tennessee (TN), Texas (TX), Washington (WA), Wyoming (WY)

Who uses this code?

General Contractor

Manages residential and commercial construction projects from foundation to finish, coordinating subcontractors.

Licenses
  • State GC license (exam + bond)
  • General liability insurance
  • Workers' comp
Tax Forms
  • Form 1065 or 1120-S
  • Form 1099-NEC (subs)
  • Form 940 (FUTA)
  • Form 941
Licensed Electrician

Installs, maintains, and repairs electrical systems in residential, commercial, and industrial settings.

Licenses
  • State electrical license
  • City/county permit pull authorization
  • Liability insurance
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
Licensed Plumber

Provides plumbing installation, repair, and emergency services for homes and businesses.

Licenses
  • State plumbing license
  • Backflow prevention certification
  • Liability insurance
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
HVAC Contractor

Installs and services heating, ventilation, air conditioning, and refrigeration systems.

Licenses
  • State HVAC/mechanical license
  • EPA Section 608 certification
  • NATE certification (optional)
Tax Forms
  • Schedule C or 1120-S
  • Schedule SE
  • Form 1099-NEC (subs)

Who is this code for

Occupations and roles commonly associated with this classification

Also relevant for

Source: O*NET / BLS occupation data · O*NET 30.2 / BLS SOC

Official data

Feature Description
Official name Standard Industrial Classification (SIC) 1987
Maintained by Referenced by the U.S. Securities and Exchange Commission for filing classification
Purpose Legacy industry taxonomy used before NAICS became the current standard
Primary use SEC/EDGAR filings, older business records, historical market databases
SEC office Office of Trade & Services

When do you need SIC 5030?

1 Use SIC 5030 when a company filing, EDGAR record, or historical business source still references this legacy code.
2 Use it when translating an old SIC-based company list into current NAICS 2022 for contracting or SBA work.
3 Use it when reviewing SEC industry buckets that still depend on SIC rather than NAICS.
4 Use it for historical comparison only, not as the primary code for current SBA or federal procurement workflows.