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SIC 1987 Legacy USA
Code
800

SIC 800 — FORESTRY

Industrial Applications and Services

Convert SIC 800 to NAICS 2022

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

Frequently asked questions

What is NAICS 800?
NAICS 800 is the North American Industry Classification System code for FORESTRY. 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 FORESTRY need?
A FORESTRY 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 FORESTRY business in the United States?
To register a FORESTRY 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 FORESTRY 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 FORESTRY 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 FORESTRY describes your main line of business, NAICS 800 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 800 description and exclusions to confirm it fits your operations.
Does a FORESTRY need a professional license or state board registration?
Many professional services — including lawyers, architects, engineers, accountants (CPA), real estate agents, insurance producers, landscape architects, and surveyors — require state licensing with education, exam, experience requirements, and ongoing continuing education. Operating without a required license can result in cease-and-desist orders, fines, and criminal charges. Even unlicensed professions should check for 'right to practice' laws. For example, some states restrict 'interior designer' title to licensed professionals.
Can a FORESTRY form an LLC, or does it require a Professional entity (PC/PLLC)?
Licensed professionals in most states cannot form a regular LLC and must instead form a Professional Corporation (PC), Professional LLC (PLLC), or Registered Limited Liability Partnership (LLP). This ensures personal liability for professional malpractice remains with the individual professional while protecting against the entity's business debts. All owners/members must hold the relevant professional license. Professional entities must file articles with both the Secretary of State and the licensing board, and entity names must include 'Professional,' 'PC,' or 'PLLC.'
Does a FORESTRY need E&O (Errors & Omissions) insurance?
Professional liability / E&O insurance protects a FORESTRY against claims of negligence, errors, or failure to perform professional duties. Many licensing boards require E&O as a condition of licensure (particularly for real estate, insurance, and certain design professionals). Even when not legally required, it is standard practice — commercial general liability policies exclude professional services. Policy limits typically range from $1M-$5M. Claims-made policies are most common, requiring 'tail' coverage when you stop practicing.
What engagement letter or contract does a FORESTRY need to use with clients?
Every professional service engagement should be documented in a written letter of engagement or professional services agreement. It should include: scope of services (and what is excluded), fee structure (hourly, flat, contingent — and whether contingent fees are allowed by your profession's ethics rules), payment terms, limitation of liability clause (where permitted), dispute resolution method (mediation/arbitration), and termination conditions. State bar associations and professional societies typically publish model engagement letters. Oral agreements create significant liability risk.

How to register a forestry business in the US

1
Verify classification

Confirm that FORESTRY describes your professional service activity.

2
Register for an EIN (Form SS-4)

Required for most professional service entities operating as LLC or corporation.

IRS EIN application
3
Obtain state professional license

Many professional services (legal, accounting, architecture, engineering) require state board licensing — check your specific profession.

4
Register for SAM.gov (if pursuing government contracts)

Professional service firms bidding on federal contracts must maintain an active SAM.gov registration.

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?

Law Firm Owner

Runs a small law practice specializing in business law, family law, estate planning, or personal injury.

Licenses
  • State bar admission
  • Professional corporation (PC) registration
  • Malpractice insurance
  • IOLTA trust account
Tax Forms
  • Form 1065 or 1120-S (PC)
  • Form 940 (FUTA)
  • Form 941
Professional Photographer

Specializes in wedding, portrait, commercial, or real estate photography with studio and on-location sessions.

Licenses
  • Business license
  • Drone license (FAA Part 107, if aerial)
  • Model releases
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
  • State sales tax (on physical products)
Interior Designer

Provides space planning, finish selection, and furnishing specification for residential and commercial projects.

Licenses
  • NCIDQ certification (for commercial, state-dependent)
  • Business license
  • Resale certificate
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
  • State sales tax (on furnishings)
Graphic Designer

Creates branding, packaging, print collateral, and digital assets for clients as a freelance creative.

Licenses
  • Business license
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)

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 Industrial Applications and Services

When do you need SIC 800?

1 Use SIC 800 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.