When looking for experienced and reliable Chicago video production companies, it can be helpful to search online reviews from previous clients and ask for referrals from people who have worked with them. Additionally, you can check out professional directories such as Clutch or The Manifest, which offer reviews on various video production firms across the globe. You can also look for companies that are members of national or international video production associations, such as the Industry Associations & Organizations. These associations ensure their members adhere to high standards and ethics when providing services.