Computer room remodeling


We've been having some heat issues in the computer room (small size) for
several years now, no AC after hours or during the weekends. Last year we
bought a movincool spot cooler that works 24/7 as a temporary solution and I
am getting the opportunity now to remodel the room with permanent cooling,
better air flow control, monitoring, ...
Would you known or recommend a company which could help me with that task in
the NYC area (AC people specialized in IT environment)?

Thank you in advance.