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Become a Vendor

Work with IEI as a subcontractor or supplier.

IEI builds teams from qualified trade partners, specialty contractors, laboratories, and suppliers. Register your company so our project and contracts teams can find you when a requirement matches.

Do not send banking, ACH, or Tax ID documents by email.

Sensitive vendor documents — W-9s, ACH forms, certificates of insurance, signed subcontract agreements — are collected through IEI's secure, access-controlled document intake. Complete the registration below and IEI will send a secure upload link. Never transmit account or routing numbers in an unencrypted message.

Vendor registration

Required fields are marked with an asterisk. Everything you provide is used only to evaluate teaming and subcontracting opportunities.

Company information

Optional here — IEI can collect this securely with your W-9.

Federal contracting information
Socioeconomic status
Select all that apply
Services & certifications
Cybersecurity posture
Trade references
Documents

After you submit this registration, IEI will send a secure upload link for: W-9, Certificate of Insurance, ACH form, signed subcontract agreement, licenses, certifications, and any additional supporting documents. Uploads are restricted by file type and size and are accessible only to authorized IEI staff.