Parsons Acquires Altamira Technologies Corporation

Altamira Technologies Acquires Virginia Systems & Technology (VaST)

March 1, 2023

Aerospace & Defense

Altamira Technologies Corporation has completed the acquisition of Virginia Systems & Technology, Inc. (VaST), a Warrenton, Virginia-based signals intelligence (SIGINT) mission company. The deal expands Altamira’s SIGINT capabilities and brings VaST’s mission-focused engineering, TCPED expertise, and national security customers into Altamira’s portfolio (Altamira is PE-backed and serves as the platform for this add-on).

Parsons Corporation Acquires Sealing Technologies, Inc.

September 13, 2023

Cybersecurity

Parsons Corporation acquired Columbia, Maryland-based Sealing Technologies, Inc. in a transaction valued at up to $200 million (including $175 million cash at closing and a $25 million earn-out). The acquisition expands Parsons' defensive cyber, AI/ML, edge computing, and critical infrastructure protection capabilities and brings nearly 150 SealingTech employees (70% with security clearances) into Parsons' Defense & Intelligence unit.

Parsons Corporation Acquires BlackSignal Technologies

July 30, 2024

Cybersecurity

Parsons Corporation has entered into a definitive agreement to acquire BlackSignal Technologies, LLC from Razor's Edge Management, LLC for $200 million in cash. The deal — expected to close in August 2024 — will integrate BlackSignal into Parsons' Defense & Intelligence business unit and expand Parsons' electronic warfare, cyber, and AI/ML-enabled signal processing capabilities for Department of Defense and Intelligence Community customers.

Parsons Acquires Chesapeake Technology International (CTI) for $89M

July 1, 2025

Aerospace & Defense

Parsons Corporation has acquired Maryland-based Chesapeake Technology International, Corp (CTI), a portfolio company of Bluestone Investment Partners, in a transaction valued at $89 million. The acquisition adds CTI's electromagnetic-warfare and all-domain solutions and its ~225 employees to Parsons' Defense & Intelligence business, strengthening Parsons' capabilities for Special Operations and INDOPACOM customers and is expected to be accretive to revenue and adjusted EPS.

Parsons Corporation Acquires BlackHorse Solutions, Inc.

July 6, 2021

Aerospace & Defense

Parsons Corporation completed the acquisition of BlackHorse Solutions, Inc. in a transaction valued at $203 million. The deal adds nearly 200 employees and expands Parsons' capabilities and product offerings in cyber, electronic warfare, AI/ML, and information dominance for Department of Defense and Intelligence Community customers.

Siemens Acquires Altair Engineering

March 26, 2025

Software

Siemens AG has completed the acquisition of Altair Engineering Inc. for an enterprise value of approximately USD 10 billion. The deal adds Altair's capabilities in mechanical and electromagnetic simulation, high-performance computing (HPC), data science and AI to Siemens' Xcelerator platform, strengthening Siemens' industrial software and digital twin offerings.