Sound advice from most folks here.
I think you are wise to "talk" to all the services...I'm sure most would agree with me that each are very different, even though there is some overlap at times.
We don't know your situation or why you are seeking an enlistment. As for myself, I was a poor lad who grew up on a farm and was quite ignorant regarding the military. I got hooked up with a USAR recruiter who had a "plan" for me to get financial help with college while earning a little funding each month as a reservist. Again, had no idea of ROTC scholarships.
I quickly chose the enlisted route and joined the SMP program thru my colleges ROTC program. As a non-scholarship cadet, my monthly drill pay went from E-2 to E-5 and I was treated like a "third" lieutenant, out in front of the platoon instead of standing in the squad line and was given more leadership roles.
Now, was this a more beneficial route? Who knows, it worked for me at that time, probably not for others. Had I applied for a 4yr AROTC scholarship, I likely would have gotten it, looking back, the scholarship would have been more financially beneficial (less student loans).
I failed to seek the other services and explore my options. However, I did jump ship to the Air Force a few years later...and retired back in '09. I cannot say enough great things about the Air Force. Again, its not for everyone, but it certainly was VERY good to me and my family.
My advice, as others have mentioned...compare the E vs O route and see what each branch has to offer. You'll find your way, once service will offer you a great deal. Best of luck