Our in-house design and design-management team partners with clients, designers, and Suffolk's operations teams to deliver projects in a variety of sectors. Application may be made using the Suffolk County Application for Employment (Forms CS-205A and CS-205B). 2.This guide to Suffolk for subcontractors lets you get to know the company including tips that you can use to speed up the payment process. Suffolk Construction information for subcontractors. Find subcontractor prequalification steps and required waiver, pay app, insurance, and other forms. Unlock the secrets to successful construction management in Suffolk County with our ultimate guide. Master construction contract management. Learn the essentials: from its objectives and process to the role of a contract manager, and more. DGC Contracting Corp. This involves setting up project management systems, including scheduling, cost tracking, quality assurance, and document management.