We're here to answer all your questions. Fill out our contact form and we'll connect you with the people who can help.The Suffolk County Office of Central Procurement oversees the County's procurement processes. The Office helps facilitate each County department's mission. We define the goals and schedule for design—who is doing what, and when—so we can focus on completing an efficient design and starting the project on schedule. 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. To post a Proposal or Bid Notice, sign in or register your organization and follow the step-by-step submission process. The subcontractor's safety plan will: 1. Identify each major component of the work that the subcontractor is responsible for completing. 2.