Your Business Advisor


Doing business with the government, where to start?

Important: There are no fees or charges for any of these federal registrations. Please call RI PTAC, 401-278-9100, for assistance with any of these registrations.

Employer Identification Number (EIN) also referred to as Federal Tax Identification Numbers (TIN) is a nine digit number used to identify a business entity. Questions relating to, if you should apply for a number or not, can be answered by clicking on the link below. Also a link on how to apply for a number is provided below!

Small Business EIN Information

EIN Application

Dun & Bradstreet (D&B) is a business specializing in providing credit and financial reports on registered companies for a fee. The identifier for registered companies is referred to as a DUNS number. In order to do business with the federal government you must obtain a DUNS.

Already have a DUNS Number? Please note that most companies requesting a DUNS number already have one. To see if your company is already listed click here, DUNS CHECK, and search in the light yellow box area. If you are not listed already in D&B, then request a free DUNS number for government contractor purposes only.

System for Award Management (SAM) is a Federal Government owned and operated free web site that consolidates the capabilities of CCR/FedReg, ORCA, and EPLS. Future phases of SAM will add the capabilities of other systems used in Federal procurement and awards processes.


Dynamic Small Business Search (aka PRO-Net, See Below). Only small businesses can get registered into the Pro-Net database.

Dynamic Small Business Search

North American Industrial Classification System (NAICS Codes) and Standard Industrial Classification Codes (SIC Codes) are numerical codes designed by the U.S. Government in order to create uniform descriptions of small business types and size standards.

Lookup NAICS Codes

Lookup SIC Codes

Small Business Size Standards

Product Service Codes (PSC) and Federal Supply Codes (FSC) are numerical codes designed by the government to create descriptions for products and services. They are not specific to small businesses and do not describe business size. A-Z are for services and 10-99 are for products.

Lookup PSC/FSC Codes