Partner with us

Subcontractors.

We're always looking to work with quality subcontractors. Fill out the short form below to join our network.

Fill out one simple form so we can learn about your company and past projects. Approved subs are added to our bid list.

Password Required

Once approved, you'll be invited to bid on upcoming Harper Mechanical projects. Active bid packages live in our password-protected portal.

You'll need General Liability, Auto, and Workers' Comp coverage. Certificates must list Harper Mechanical Inc. as additional insured.

A current W-9 and Certificate of Insurance are all we need to start. Safety plans, licenses, and references are welcome extras.

Prequalification form

Tell us about your company.

The form takes about 5 minutes. Everything is sent securely to our contracts team, and we review new applications weekly.

Basic information about your business.

Company name *

Years in business

Your trade or specialty *

Pick the closest match. Choose "Other" if none fit.

Who should we contact about opportunities?

Contact name *

Phone *

Email *

We'll send updates and bid invitations here.

Areas served, key projects, safety record, EMR, licenses — whatever helps us know you.

You can send these now or email them later. PDF, photo, or Word — up to 8 MB per file.

W-9Upload FilesPDF, JPG, PNG, or Word

Certificate of InsuranceUpload FilesPDF, JPG, PNG, or Word

Anything elseUpload FilesPDF, JPG, PNG, or Word

Not sure what to upload? No problem — just skip this and we'll follow up.

Fields marked with * are required.