Establishments with 250 or more employees that are subject to OSHA’s recordkeeping regulation must electronically submit to OSHA 300A Summary data.
Establishments with 20-249 employees in certain high-risk industries must electronically submit to OSHA Form 300A Summary data.
Establishments with fewer than 20 employees at all times during the year do not have to routinely submit information electronically to OSHA. However, they must submit information from the injury and illness records to OSHA if OSHA notifies them to do so for an individual data collection.