| American Institute of Inspectors (AII): An international association of home and building inspectors. |
| American Society of Home Inspectors (ASHI): Oldest and largest professional organization for home inspectors in North America. |
| Historic Building Inspectors Association (HBIA): Features membership requirements and application, technical resources, related links. Based in Springtown, PA. |
| International Society of Home Inspectors (ISHI): An international association to help further the growth and professionalism of home inspectors. |
| National Academy of Building Inspection Engineers (NABIE): Organization of licensed engineers providing real estate inspections. |
| National Association of Certified Home Inspectors (NACHI): A national association of professional home inspectors. |
| National Association of Home Inspectors, Inc. (NAHI): Nonprofit association promotes and develops the home inspection industry. Features member locator, chapter information, national conference, membership benefits. |
| National Association of Mold Professionals (NAMP): Non-profit organization promotes the mold inspection and remediation industry. Includes membership, training, benefits, and standards. |
| National Association of Real-estate Inspection & Evaluation Services (NARIES): Organization dedicated to public awareness. Provides knowledge and training to its members and to consumers. Features standards of practice, ethics, chat rooms. |
| National Society of Home Inspectors (NSHI): Organization promotes professionalism of inspectors. Features services, standards of practice, code of ethics, member directory, consumer information. |