| Name of Entity | State or Country of Organization | |||||||
| Mitcham Holdings Ltd | United Kingdom | |||||||
| Mitcham Canada Holdings Limited | United Kingdom | |||||||
| Mitcham Canada ULC | Alberta, Canada | |||||||
| Mitcham Europe Ltd | Hungary | |||||||
| Seamap (UK) Ltd. | United Kingdom | |||||||
| Seamap Pte. Ltd. | Singapore | |||||||
| Klein Marine Systems, Inc. | Delaware | |||||||
| Seamap (Malaysia) Sdn Bhd. | Malaysia | |||||||
| MIND Maritime Acoustics, LLC | Texas | |||||||