"Contractor" means the provider of the Services under the Contract as identified in the. Cooperative Master Agreement Form.GTA is entering into this MSA as part of its "GTA Direct Program". An MSA, or Master Service Agreement, is a contract between a company and a vendor that outlines the terms and conditions for services the vendor will provide. Get up and running quickly with a master service agreement template Georgia. This downloadable template will get you selling in no time. A master service agreement (MSA) is a fundamental contract outlining the scope of the relationship between two parties. A Master Service Agreement is a contract that sets up the fundamental terms for future business activities between two or more parties. A schedule to the master agreement is a document that is used to alter the terms of and add new terms to an existing master agreement.