I'm fairly certain the gas company will require a pressure test and the electric company will require an inspection before turning he power back on after being off so long.

Make sure heat and electric are in place first too. 

Ryan K. shop around for electrical.

As the superintendent is also the owner/principal of XXXXX Landscaping and XXXXX Contracting, additional services needed from either of the aforementioned entities will be charged accordingly as also 3rd party plumbing, electrical etc..What Superintendent is not expected to do and What Landlord will either do or hire out: 1.)

Here are the items still to be finished:- flooring- countertops- bathrooms - faucets, showerheads, accessories, etc- any other associated plumbing, electrical, or clean up workI'd greatly appreciate any advice!

Is electric already available?  

But in any case it's important to manage in a professional manner. ie documenting everything in writing and no cutting off electricity, etc. 

If you get 5 quotes, 1 will be high, 1 will be low and 3 in the middle.Also, most insurance companies who will write a 30 unit complex will not write small (4 units and under) properties, so don't make any assumptions on premiums based on small properties.In this market, all insurance companies are really scrutinizing the age of the roof (older than 18 years can become an issue) and want to see circuit breakers for the electrical. 

There needs to be a location that is close enough to plumbing, has enough electrical supply, and has the physical space to put them in without hurting the apartment space. 

Major issues typically  are plumbing and electrical.