Emerson Acquires Open Systems International (OSI Inc.) for $1.6B

Emerson Acquires Remaining Shares of AspenTech for $7.2 Billion

February 2, 2025

Software

Emerson will acquire all remaining outstanding shares of AspenTech that it does not already own via an all-cash tender offer at $265.00 per share, followed by a merger to obtain the rest of the shares. The minority stake being acquired is valued at $7.2 billion and the deal is expected to close in the first half of 2025, subject to customary conditions.

Aspen Technology Acquires Open Grid Systems

November 4, 2024

Software

Aspen Technology entered into a definitive agreement to acquire Open Grid Systems Limited, a provider of network model management technology for utilities. The integration is intended to expand AspenTech’s Digital Grid Management suite with model-driven capabilities to help utilities better manage and scale grid model data for transmission and distribution operations and resiliency, subject to regulatory approvals and expected to close before the end of 2024.

Sciens Building Solutions Acquires Open Systems Integrators (OSI)

June 19, 2024

Engineering Services

Sciens Building Solutions, a Carlyle-backed life-safety platform, has acquired Open Systems Integrators (OSI), a Hamilton, New Jersey-based provider of low‑voltage fire, security and AV systems. OSI's CEO Paul Facciolo will remain in place as the company expands Sciens' Northeast footprint and service capabilities across education, healthcare, government and commercial markets.

Eastern DataComm Acquires OSI Technology (Warren, NJ)

April 15, 2024

Telecommunications

Hackensack-based Eastern DataComm has acquired OSI Technology of Warren, New Jersey to expand its safety and communications capabilities and deepen its presence in the K–12, municipal and commercial markets in New Jersey. The acquisition adds OSI’s decades of experience in video surveillance, VoIP, access control, and networking to Eastern DataComm’s portfolio of integrated safety and communication solutions.

Emerson Acquires NI (National Instruments) for $8.2 Billion

October 11, 2023

IT Services

Emerson announced it has closed its acquisition of NI, a provider of software-connected automated test and measurement systems, for an equity value of $8.2 billion. The deal expands Emerson’s automation capabilities and increases end-market exposure—particularly in discrete industries such as semiconductors and electronics, transportation, and aerospace & defense.

Emerson and AspenTech Combine to Create New AspenTech

May 16, 2022

Software

Emerson entered into a definitive agreement to contribute its industrial software businesses—OSI Inc. and its Geological Simulation Software business—to AspenTech to form a new, diversified industrial software company (“new AspenTech”). Emerson would receive a 55% stake in new AspenTech, contributing $6.0 billion in cash, while AspenTech shareholders receive cash and shares in the combined company; the transaction was later successfully closed.