Groups/Events:

Garysguide.org

NY Tech Meetup

NextNY

New York Entrepreneur Week

Girls in Tech New York

Bootup IO

Ultra Light Startups

Hackers and Founders

Brooklyn+30

Augmented Reality New York

Endeavor

Hatchery

Startup One Stop

Founders Institute New York

Entrepreneurs Roundtable

New York PHP

MIT Enterprise Forum of NY

Web2NewYork

iBreakfast

Mobile Monday New York

Young Women Social Entrepreneurs

Lean Startup Meetup New York

 

Early-stage VCs:

NYC SeedStart from NYCSeed

Union Square Ventures

Genacast

First Round Capital

Polaris Venture Partners

Spark Capital

Contour Ventures

Betaworks

Metamorphic Ventures

Founders Collective

NYC Investment Fund

DreamIt Ventures

SoftBank Capital

RRE Ventures

DFJ Gotham

Greenhill SAVP

General Catalyst

 

Angels/Angel Groups:

New York Angels

Keiretsu Forum New York

Esther Dyson

Scott Kurnit

 

Office Space for Small Companies / Co-working:

Hive at 55

DogPatch Labs

New Work City

Rose Tech Ventures

Sunshine suites

Tech Space

Common Spaces

NYU/Poly Incubator

 

Services:

Freelancers Union

——

About the Blogger: Murat Aktihanoglu is the founder/CEO of Centrl, a location based social network.
He is also the organizer of Entrepreneurs Roundtable events in NYC and the co-author of the upcoming LBS/Mobile book from Manning.