Subcontractors Home » Careers » Subcontractors » Application GC Contracting - Sanford, Florida Application Form (for Subcontractors) You must have the required documents completed first (available in English & Spanish). [contact-form-7 id="5324" title="Subcontractor Application"] Download Required Forms W-9: English - Spanish Scope of Work: English Open in new window. Right-click and choose 'Save Target As' to save pdf