How do I market and sell our laundry service to universities, hospitals and hotels?

STRATEGIES YOU CAN APPLY SIR TARIQ Make powerful constant sales presentations to the customers in the respective institutions.
Offer effective and effecient Wash and fold pickup and deliver services  Purchasing is done through long, complicated RFP processes, and you'll have to win business contracts by offering lower pricing, higher service levels and this has to be articulated in the presentations.
Identify your competition and tailor make your services to suit each area with perculiarity needs.
Telesale your services to the different institutions and determine how they do their laundry today, and find out as much as you can about who they use, how much they pay, how often they bid it out, who their decision makers are, etc. 
Role out marketing strategies particularly targeted at informing,persuading and creating awareness of your brand.
Quantifying risk, conduct an expected-value analysis in line if cost associated with marketing and selling.
Conductor a thorough Marketing Research, so that you find out how best you can service your market.
Recruit the right people for the job, in  business human resources is a vital componet in your marketing.This sholud not be over emphasised it is genuinely a concerned.
I can do a thorough job on this if you wish.