You can contact rapidsoft technologies for any development need. They've offshore center in India with best quality & really competitive pricing & also have HQ in New york.
You can look for a reliable parnter among Ukrainian software outsourcing companies. They are more reliable than the cheapest Indian ones as my own experience shows. Previously Daxx and Ciklum were mentioned in the comments, and also I can recommend guys from https://qubit-labs.com/
The prices are reasonable if your main goal is to save money, and they met the deadline (what was also important for me).