Siemens Digital Industries Software
| Company type | Strategic business unit | 
|---|---|
| Industry | CAD/CAM/CAE/PLM Software | 
| Predecessor | UGS Corp. | 
| Founded | 1963, Torrance, California (as United Computing) 2007, Plano, Texas (as Siemens PLM Software) | 
| Headquarters | , | 
| Key people | Tony Hemmelgarn, Bob Jones, Bernd Haetzel | 
| Products | PLM software and services — Teamcenter, NX, Simcenter, Tecnomatix, Velocity Series, COMOS; EDA software and services (formerly Mentor Graphics) | 
| Number of employees | 24,000 (2023) | 
| Parent | McDonnell Douglas (1976–1991) Electronic Data Systems (1991–2004) UGS Corp. (2004–2007) Siemens (2007–present) | 
| Website | www | 
Siemens Digital Industries Software (formerly UGS and then Siemens PLM Software) is an American computer software company specializing in 3D & 2D Product Lifecycle Management (PLM) software. The company is a business unit of Siemens, operates under the legal name of Siemens Industry Software Inc, and is headquartered in Plano, Texas.