A nonprofit organization, the IAC is supported by the following sponsoring organizations, while operating independently of their activities.
- Adult Congenital Heart Association (ACHA)
- Alliance of Cardiovascular Professionals (ACVP)
- American Academy of Neurology (AAN)
- American Academy of Oral and Maxillofacial Radiology (AAOMR)
- American Academy of Orthopaedic Surgeons (AAOS)
- American Academy of Otolaryngology — Head and Neck Surgery (AAO-HNS)
- American Association of Neurological Surgeons / Congress of Neurological Surgeons Cerebrovascular Section
- American Association of Oral and Maxillofacial Surgeons (AAOMS)
- American Association of Physicists in Medicine (AAPM)
- American College of Surgeons (ACS)
- American College of Nuclear Medicine (ACNM)
- American Institute of Ultrasound in Medicine (AIUM)
- American Orthopaedic Foot & Ankle Society (AOFAS)
- American Society of Echocardiography (ASE)
- American Society of Neuroimaging (ASN)
- American Society of Neuroradiology (ASNR)
- American Society of Nuclear Cardiology (ASNC)
- American Society of Radiologic Technologists (ASRT)
- American Vein and Lymphatic Society (AVLS)
- American Venous Forum (AVF)
- Heart Rhythm Society (HRS)
- Neurocritical Care Society (NCS)
- Pediatric and Congenital Electrophysiology Society (PACES)
- Society for Cardiovascular Magnetic Resonance (SCMR)
- Society for Clinical Vascular Surgery (SCVS)
- Society for Vascular Medicine (SVM)
- Society for Vascular Nursing (SVN)
- Society for Vascular Surgery (SVS)
- Society for Vascular Ultrasound (SVU)
- Society of Cardiovascular Anesthesiologists (SCA)
- Society of Cardiovascular Computed Tomography (SCCT)
- Society of Diagnostic Medical Sonography (SDMS)
- Society of Interventional Radiology (SIR)
- Society of NeuroInterventional Surgery (SNIS)
- Society of Nuclear Medicine and Molecular Imaging (SNMMI)
- Society of Nuclear Medicine and Molecular Imaging Technologist Section (SNMMITS)
- Society of Pediatric Echocardiography (SOPE)
- Society of Radiologists in Ultrasound (SRU)
- Society of Vascular and Interventional Neurology (SVIN)
- World Molecular Imaging Society (WMIS)