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USA Classification Hub
SIC 1987 Legacy USA
Code
6159

SIC 6159 — MISCELLANEOUS BUSINESS CREDIT INSTITUTION

Office of Finance

Convert SIC 6159 to NAICS 2022

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

Frequently asked questions

What is NAICS 6159?
NAICS 6159 is the North American Industry Classification System code for MISCELLANEOUS BUSINESS CREDIT INSTITUTION. 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 MISCELLANEOUS BUSINESS CREDIT INSTITUTION need?
A MISCELLANEOUS BUSINESS CREDIT INSTITUTION 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 MISCELLANEOUS BUSINESS CREDIT INSTITUTION business in the United States?
To register a MISCELLANEOUS BUSINESS CREDIT INSTITUTION 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 MISCELLANEOUS BUSINESS CREDIT INSTITUTION 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 MISCELLANEOUS BUSINESS CREDIT INSTITUTION 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 MISCELLANEOUS BUSINESS CREDIT INSTITUTION describes your main line of business, NAICS 6159 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 6159 description and exclusions to confirm it fits your operations.
Does a MISCELLANEOUS BUSINESS CREDIT INSTITUTION need a CDL (Commercial Driver's License)?
You need a CDL to operate vehicles with a GVWR of 26,001 lbs or more, vehicles designed to transport 16+ passengers (including driver), or any vehicle transporting hazardous materials requiring placards. CDLs have three classes (A, B, C) and various endorsements (H for hazmat, P for passenger, S for school bus, N for tankers). The FMCSA Drug & Alcohol Clearinghouse requires annual queries for CDL holders.
What are the hours-of-service rules for a MISCELLANEOUS BUSINESS CREDIT INSTITUTION?
FMCSA hours-of-service rules limit property-carrying drivers to 11 hours driving after 10 consecutive hours off, within a 14-hour on-duty window, with a maximum of 60 hours on-duty in 7 days or 70 hours in 8 days. Passenger carriers have different limits (10 hours driving, 15-hour window). All CDL drivers must use ELDs (electronic logging devices) unless operating under a short-haul or pre-2000 vehicle exemption.
Does a MISCELLANEOUS BUSINESS CREDIT INSTITUTION need to join a DOT drug and alcohol testing consortium?
Yes, any owner-operator with a CDL operating under FMCSA authority must enroll in a DOT drug and alcohol testing consortium for pre-employment, random, post-accident, reasonable suspicion, and return-to-duty testing. The consortium manages your random testing pool and maintains records. Annual MIS (Management Information System) reports are due by March 15 each year summarizing testing data.
Do I need a USDOT number for my MISCELLANEOUS BUSINESS CREDIT INSTITUTION?
You need a USDOT number if you operate commercial vehicles over 10,001 lbs GVWR in interstate commerce, transport hazardous materials requiring placards, or transport more than 8 passengers (including driver) for compensation. Most states also require a USDOT number for intrastate operations. Register at the FMCSA Unified Registration System (URS). Failure to register can result in fines up to $16,000 per day.

How to register a miscellaneous business credit institution business in the US

1
Verify classification

Confirm that MISCELLANEOUS BUSINESS CREDIT INSTITUTION accurately describes your primary transportation activity.

2
Register for an EIN (Form SS-4)

Apply online at IRS.gov if you operate as a partnership, corporation, or have employees.

IRS EIN application
3
Obtain DOT operating authority

Apply for MC number through FMCSA if operating interstate commercial motor vehicles.

4
File biennial MCS-150 update

Update your Motor Carrier Identification Report every two years.

5
Register for state-level IFTA / IRP

International Fuel Tax Agreement and International Registration Plan for multi-state operations.

6
Maintain commercial auto liability insurance

Minimum coverage levels depend on vehicle type and cargo — verify with FMCSA minimums.

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?

Towing Company Owner

Operates a fleet of tow trucks providing roadside assistance, accident recovery, and impound services.

Licenses
  • State tow truck permit
  • DOT number
  • Wrecker license
  • Insurance and bond
Tax Forms
  • Schedule C or 1120-S
  • Form 940 (FUTA)
  • Form 2290 (HVUT)
Third-Party Logistics Coordinator

Provides outsourced logistics and supply chain management services to manufacturers and retailers.

Licenses
  • Freight broker license
  • Cargo insurance
  • WMS/TMS software
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
Port Drayage Operator

Moves shipping containers between seaports and nearby rail yards or distribution centers.

Licenses
  • CDL Class A
  • TWIC card (port access)
  • DOT/MC number
  • Port concession
Tax Forms
  • Schedule C (Form 1040)
  • IFTA quarterly
  • Form 2290 (HVUT)
Long-Haul Truck Driver

Operates tractor-trailers moving freight across state lines under DOT and FMCSA authority.

Licenses
  • CDL Class A
  • DOT medical card
  • MC operating authority
Tax Forms
  • Schedule C (Form 1040)
  • Schedule SE (Form 1040)
  • IFTA quarterly fuel tax

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 Finance

When do you need SIC 6159?

1 Use SIC 6159 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.