Where to register: IPRO - Powered by Luma (Luma Supplier Portal)
Cost to register: Free (no registration fee in official materials; administrative fees may apply to some awarded contracts)
Where Idaho posts bids: sms-idaho-prd.tam.inforgov.com

Open the IPRO (Luma Supplier Portal) link from purchasing.idaho.gov. If you already sell to the state, you may already have an account, so contact SCO before you create a duplicate.
Choose the option to register as a supplier and follow the SCO Quick Reference Guide, which covers every step.
Enter your business, tax ID and contact information.
Attach your signed W-9 in the tax certification field.
Choose one or more commodity codes that describe what you sell.
Submit. The SCO Supplier Portal Administration team gets an email and checks your registration. You can't submit bid responses until your account is validated.
Once validated, log in and use Open Events to find and respond to bid opportunities.

What to have ready

An email address. SCO recommends using it as your username.
Legal business name and tax ID (FEIN/EIN, or SSN for sole proprietors)
A W-9 signed and dated within the last 90 days. You must attach it during registration.
Business registration with the Idaho Secretary of State, if it applies to your business type
The commodity codes that describe your goods or services. You pick them from the portal's list.
Contact names, phone numbers and addresses
Banking details are not entered in the portal. SCO's Vendor Management team handles them.

Read the full Idaho registration guide →

Federal bids in Idaho also need an active SAM.gov registration. How to register in SAM.gov

Common questions

Are there roads and bridges bids open in Idaho right now?

Yes. There are 3 open roads and bridges bids in Idaho right now, from federal, state and local buyers. New ones are added every morning.

How do I get new roads and bridges bids in Idaho by email?

Set up a free FindMyBids alert with your trade and state. It takes under a minute and needs no credit card.

What do I need to bid on Idaho roads and bridges contracts?

For state bids, register with IPRO - Powered by Luma (Luma Supplier Portal) (Free (no registration fee in official materials; administrative fees may apply to some awarded contracts)). For federal bids, register in SAM.gov (free). Many bids also ask for specific licenses, insurance limits or bonds; FindMyBids' readiness check flags those before you bid.