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How to Register as a Vendor in Indiana

Where
IDOA Bidder Profile Registration / Indiana Supplier Portal
Cost
No fee mentioned in official IDOA materials (appears free; not explicitly confirmed)
How long
After the profile is created, you can sign in to the Supplier Portal after 6:30 AM (Indianapolis time) the next business day, per IDOA
Last checked
2026-09-27

See 58 open bids in Indiana →

What it's for

The Indiana Department of Administration (IDOA) runs state purchasing for executive-branch agencies. A bidder profile lets you sign in to the Indiana Supplier Portal, where you can view and respond to bid events and update your profile. You also use the portal for Pay Audit reporting, the Buy Indiana and Supplier Diversity applications, and the ACE form.

Have this ready

  • Legal company name and any "doing business as" name
  • Taxpayer Identification Number (FEIN/EIN or SSN). Each bidder profile needs its own TIN.
  • A primary email address that no other bidder profile uses. It becomes your Supplier Portal login.
  • UNSPSC codes for your goods and services (Indiana uses UNSPSC, not NIGP)
  • Company contact names, phone numbers and addresses
  • Registration with the Indiana Secretary of State if your business type needs it (the registration pages reviewed did not state it as a requirement)

Steps

  1. Check IDOA's Registered Bidders List to see whether your company already has a profile, so you don't make a duplicate.
  2. Download the official Bidder Registration Guide from the Bidder Profile Registration page.
  3. Start the Bidder Registration Application from the Create a Bidder Profile page.
  4. On the identifying information page, enter your TIN. If you get an "Invalid Tax Identification Number" error, you can't continue until it's fixed.
  5. Add company contacts with a unique email address, then add your UNSPSC codes. If a code you found is rejected, submit a Request for Assistance.
  6. Submit. IDOA creates the profile and an overnight process sends your email to Access Indiana.
  7. After 6:30 AM (Indianapolis time) the next business day, sign in to the Supplier Portal through Access Indiana, creating an Access Indiana account if you don't have one.

After you register

  • Use the Supplier Portal to view and respond to events and keep your profile current, especially the primary email and UNSPSC codes.
  • Consider the Buy Indiana and Supplier Diversity applications in the portal if they fit your business.
  • Check the Current Business Opportunities page regularly. How bid email notices work was not confirmed in the sources reviewed.
  • A renewal schedule was not confirmed in official sources.

Watch out for

  • Small purchases are often not posted centrally. Purchases under about $75,000 are often requested by individual agencies, so contact the agencies you want to sell to.
  • Construction and DOT. State building construction is bid through IDOA's Public Works Division (in.gov/idoa/pwd), and INDOT lets its own highway contracts.
  • Many bids are submitted by email as the event instructions direct. Read each event's documents closely.
  • Paid services. Registration appears free. You don't need a paid third-party "registration service."

Certifications and bid preferences in Indiana

Standard bid forms for Indiana

These are the forms bidders are most often asked to sign or attach on Indiana state bids. Each bid lists exactly which ones it needs, and many agencies attach their own copies, so always use the version in the bid documents when there is one.

IDOA Bidder Profile Registration (Supplier Portal)
Required registration that lets you view and respond to state bid opportunities in the Supplier Portal.
When: All vendors bidding on Indiana state agency solicitations (INDOT runs its own process)
State Comptroller Direct Deposit Authorization (ACH) Agreement and W-9 (IRS W-9)
The W-9 and direct deposit form the State Comptroller needs to set you up for payment.
When: Any company doing business with the State of Indiana
Secretary of State Business Registration (INBiz)
Register your business with the Secretary of State through INBiz; sole proprietors and partnerships are exempt, foreign corporations must be registered (IC 5-22-16-4).
When: All vendors that are corporations or LLCs doing business with the State
Certifications Concerning Deceptive Acts and Telephone Privacy (IC 5-22-3-7)
You and your principals certify you have not violated Indiana's telephone privacy and deceptive-act laws in the past 365 days; it is written into the contract terms.
When: State contracts using state funds (not contracts with a political subdivision)
Ethics Compliance and Conflict-of-Interest Disclosure (IC 4-2-6-10.5)
You agree to follow state ethics law and disclose any state employee's financial interest in your contract before it is signed.
When: All Indiana state contracts
Non-Collusion Statement (State Form 4391 / DAPW 121)
You attest, under penalty of perjury, that you were not offered or given money or other consideration for this contract beyond what is on its face, and that you disclose any state employee's financial interest.
When: State public works contracts through the Public Works Division
Contractor's Employee Drug Testing Plan (DAPW 150A) (DAPW 150A)
A written plan to drug test your employees (random testing, five-drug panel, progressive discipline) that must be submitted with the bid or you cannot be awarded the contract (IC 4-13-18).
When: Public works bids with an estimated cost of $150,000 or more; subcontractors included
Public Works Certification Board Contractor Prequalification
Online application (AccessGov) to be pre-qualified by the state's Certification Board before you can bid.
When: Contractors and subcontractors bidding State public works contracts over $150,000 (IC 4-13.6-4)
DAPW General Conditions of the Contract for Construction
The state's standard construction contract terms (bonds, insurance, payments, changes) that apply to every Public Works project.
When: State public works construction contracts
Indiana Veteran Owned Small Business (IVOSB) Application
Application for IVOSB status, which supports the state's goal of awarding 3 percent of contracts to veteran-owned small businesses.
When: Optional; if you want IVOSB status or preference on state bids
Buy Indiana Designation Application
Electronic application, through your bidder profile, to be designated an Indiana company eligible for Buy Indiana preference; documents must be less than one year old.
When: Optional; Indiana-based businesses seeking preference on state purchases

Common questions

Is it free to register as a vendor in Indiana?

No fee mentioned in official IDOA materials (appears free; not explicitly confirmed)

Where do I register to bid in Indiana?

IDOA Bidder Profile Registration / Indiana Supplier Portal: https://www.in.gov/idoa/procurement/supplier-resource-center/requirements-to-do-business-with-the-state/bidder-profile-registration/create-a-bidder-profile/

How long does Indiana vendor registration take?

After the profile is created, you can sign in to the Supplier Portal after 6:30 AM (Indianapolis time) the next business day, per IDOA

What forms do I need to bid on Indiana state contracts?

Each bid lists its own forms. Ones bidders are commonly asked for include: IDOA Bidder Profile Registration (Supplier Portal); State Comptroller Direct Deposit Authorization (ACH) Agreement and W-9; Secretary of State Business Registration (INBiz); Certifications Concerning Deceptive Acts and Telephone Privacy (IC 5-22-3-7); Ethics Compliance and Conflict-of-Interest Disclosure (IC 4-2-6-10.5). The full list with links to the official blank forms is on this page.

Sources

FindMyBids isn't affiliated with any government agency. Registration is free or low cost on official sites; you don't need to pay a third party. Always follow the official portal's instructions.

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