The best real estate professionals never work alone. Teamwork is...the key to any successful business and that's why HAR's affiliate members offer a wide variety of services to help you with your real estate development needs. The following companies can provide you with real estate development assistance. You can sort these real estate development companies by name or favorite a particular firm you've enjoyed working with in the past. HAR is committed to making the connection between you and your real estate development firm as easy as possible.