DCSA is the largest security agency in the federal government dedicated to protecting America's trusted workforce and trusted workspaces. Use this comprehensive yet straightforward security guard contract template to create a binding agreement in just a few minutes or less.1.1 Union Recognition. Security guard company legal documents help a business complete all kinds of general requirements needed in the United States to run there efficiently. The Contractor will provide Security Guard Services for the awarded regions of service as set forth in the Contract.