OGS Procurement Services is the state's centralized procurement office. Apply to Procurement Manager, Sourcing Manager, Purchasing Manager and more!The Supply Management and Procurement Department oversees all procurement activities, including NYCHA's Pre-Qualified Lists (PQL). Instructions for Completing Performance Agreement. Supply Chain Account Manager. A contract management company can help business owners manage more than one business. 4. The Employer will send to the Union offices those forms (or portions thereof) that the employee chooses to fill out and return to the Employer. Memorandums, or the Letters of Intent. 3.