Vendor Portal

Become a vendor.

Fill out each section below to get set up as a Harper Mechanical vendor. It takes about 10 minutes. You can upload documents at the end — or email them later if that's easier.

About your company

About your company

Basic information about your business.

The name on your tax forms.

9 digits, formatted like 12-3456789.

Company address

Primary contact

The person we should reach out to about purchase orders and general questions.

Accounts receivable contact (optional)

Where should we send invoice questions and remittances? Leave blank if same as above.

A short description in your own words is fine.

Upload your documents

Upload your documents

Upload each file below. PDF, JPG, PNG, or Word — up to 8 MB per file. If you don't have something handy, you can email it to arichards@harpermech.net later.

Payment by direct deposit (optional)

Payment by direct deposit (optional)

Set up ACH so we can pay you faster and more securely. Prefer paper checks? Just skip this section.

9 digits — found on the bottom left of a check.

Usually 8–12 digits.

What else do you offer? (optional)

What else do you offer? (optional)

Check any that apply.

Terms & conditions

Terms & conditions

Please read and check the box below.

Harper Mechanical Inc. Standard Vendor Terms

Vendor agrees to supply materials and services in accordance with Harper Mechanical's issued purchase orders. All shipments must include the matching PO number. Vendor warrants that all goods conform to specifications and are free from defects. Harper Mechanical reserves the right to reject non-conforming materials.

Vendor shall maintain insurance meeting Harper Mechanical's minimum requirements and name Harper Mechanical Inc. as additional insured. Payment terms are Net 30 from receipt of a valid invoice. Vendor agrees to indemnify and hold harmless Harper Mechanical, its officers, and employees from any claims arising from vendor's work.

Confidential information exchanged during the course of business remains the property of Harper Mechanical. Full terms provided upon issuance of purchase order.

How to send invoices

How to send invoices

Follow these simple rules so we can pay you on time.

  • Include our purchase order (PO) number on every invoice.
  • Email invoices as PDFs to arichards@harpermech.net.
  • List each item with quantity, unit price, and any tax.
  • Freight or delivery charges must be pre-approved on the PO.
  • We pay Net 30 from the day we receive a correct invoice.
Sign and certify

Sign and certify

An authorized person from your company confirms the information above.

Typing your name here counts as your electronic signature.

Office use only

Office use only

Harper Mechanical staff will fill this in — you can skip it.

Cancel

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