Pegasus Vertex, Inc. (PVI) is an engineering consulting and software company with primary involvement in drilling engineering software development. PVI's business includes a diverse array of products and services.

PVI's drilling software performs the engineering analysis for the following areas:

• Torque and drag
• Drilling hydraulics
• Underbalanced operations (UBO)
• Surge and swab
• Casing running
• Cementing job
• Centralizer placement
• Tubing movement
• Stuck pipe
• Casing wear
• 3D visualization

These software packages can be used for onshore and offshore operations, involving vertical, directional, horizontal wells. PVI's clients include service companies and operators worldwide. Both perpetual license and software lease are available.