Secure Manufacturer Authorizations for Tenders

I run an established IT solutions firm in Liberia, and several upcoming government and corporate bids require current, verifiable Manufacturer Authorization Forms (MAFs). I specifically need authentic letters from Fortinet, Cisco, Lenovo, Dell, Canon, and Sophos... (Budget: $250 - $750 USD, Jobs: Account Management, Business Development, Cisco, Contract Management, Linux, Network Administration, Sales, System Admin)