Subcontractor Resources With the talent and expertise of our subcontractor partners, we transform ideas into realities. We encourage the creativity and design assistance from subcontractors. EMAIL[email protected] Find downloadable resources below and contact us to learn more about partnering with NKS Mechanical Contracting, Inc. NKS Billing Form FRINGE BENEFIT STATEMENT DAS FORM 142 DAS FORM 140 LABOR LAW REQUIREMENTS CHECKLIST CONTACT US