If you are looking for Paris ( or any ) hotels then check out www.accorhotels.com who offer up to 75% discount to the travel trade.
You you will need to get hold of the Corp ID and Contract number for your particular airline and then you can see prices and and book yourself online.
Contacy your staff travel dept to get the appropriate codes or go to the Travel Agent area at www.accorhotels.com and enter your airlines IATA number, follow 'STAR rates' and then 'Reqest access code' .. fill out the form and Accor will email you the codes.