Incorporation/Organization

Jurisdiction of

Mastech Digital Technologies, Inc.

Pennsylvania

Mastech Digital Resourcing, Inc.

Pennsylvania

Mastech Digital Data, Inc.

Delaware

Mastech Digital Pvt, Ltd.

India

Mastech InfoTrellis Digital, Ltd.

Canada

Mastech Digital India Pvt, Ltd.

India

Mastech InfoTrellis, Ltd.

England & Wales

Mastech InfoTrellis Limited

Ireland

Mastech Digital Infotech Pvt, Ltd.

India