For deal sourcers, staying current on private company activity is critical to spotting active buyers, tracking market trends, and uncovering emerging investment opportunities ahead of competitors.
In March alone, we added more than 1,800 new private company transactions, bringing the total to over 19,000 searchable deals across sectors, industries, and transaction types in Dakota Marketplace.
Inside Dakota Marketplace, you’ll find the transactions tab that provides structured, filterable data on deal types, values, and dates, while our editorial team curates daily updates through the dakota transactions newsletter, helping you cut through the noise and focus on what matters most.
To ensure the most comprehensive coverage of private market activity, Dakota monitors over 10,000 websites including company websites, newswires, and numerous third-party news providers to capture and verify transaction data as it happens.
Below are the top 10 industrials transactions.
- Transaction Date: 3/31/2026
- Industry: Professional Services
- Type: Venture
- Transaction Value: $122B
OpenAI closed a $122 billion funding round at a post-money valuation of $852 billion, anchored by strategic partners Amazon, NVIDIA, and SoftBank — with SoftBank co-leading alongside a16z, D.E. Shaw Ventures, MGX, TPG, and T. Rowe Price — plus broad participation from a who's who of institutional investors including Blackstone, Sequoia, Temasek, and Thrive Capital. The raise will fund continued infrastructure expansion and product development as OpenAI scales toward 1 billion weekly active users and $2 billion in monthly revenue, growing four times faster than Alphabet and Meta did at comparable stages.
- Transaction Date: 3/2/2026
- Industry: Machinery
- Type: Buyout/Private Equity
- Transaction Value: $4.775B
ITT completed its acquisition of SPX FLOW from Lone Star Funds for $4.775 billion in cash and equity, adding a global leader in highly engineered process technologies — including mixing, blending, fluid handling, and thermal transfer equipment — with $1.3 billion in 2025 revenue and a greater than 21% EBITDA margin. The deal, which accelerates ITT's 2030 portfolio transformation strategy by four years, combines SPX FLOW with ITT's Industrial Process segment under a newly rebranded Flow Technologies platform, with $80 million in cost synergies targeted by end of year three.
- Transaction Date: 3/23/2026
- Industry: Professional Services
- Type: Buyout/Private Equity
- Transaction Value: $3.7B
Apollo-managed funds agreed to acquire Nippon Sheet Glass (NSG), a global leader in architectural, automotive, and solar glass, in a transaction totaling nearly $3.7 billion (~¥590 billion) in enterprise value — Apollo's largest private equity investment in Japan to date. The deal includes an equity investment from Apollo alongside a debt-to-equity conversion by NSG's principal lenders to strengthen the company's balance sheet, with closing expected by around March 2027 subject to shareholder and regulatory approvals.
- Transaction Date: 3/30/2026
- Industry: Construction & Engineering
- Type: Buyout/Private Equity
- Transaction Value: $2.4B
Leidos completed its $2.4 billion acquisition of ENTRUST Solutions Group from Kohlberg, effectively doubling its energy infrastructure market presence by adding more than 3,100 professionals with expertise in electric grid engineering and natural gas infrastructure. The deal advances Leidos' NorthStar 2030 strategy by creating a scaled, end-to-end energy infrastructure platform focused on grid modernization as utilities nationwide face accelerating load growth and resilience demands.
- Transaction Date: 3/3/2026
- Industry: Machinery
- Type: Buyout/Private Equity
- Transaction Value: $2.1B
Rosebank Industries agreed to acquire MW Components and CPM from American Securities for a combined $3.05 billion — $950 million and $2.1 billion respectively — financed through a ~£1.9 billion institutional capital raise and new debt facilities targeting opening leverage of ~2.75x EBITDA. The dual acquisition adds two market-leading U.S. industrials businesses — MW Components (highly engineered fasteners, springs, and precision metal components; $500M revenue) and CPM (processing equipment for oilseed, animal feed, and renewable energy; $713M revenue) — to Rosebank's "Buy, Improve, Sell" platform, with management targeting 6–7 percentage points of operating margin improvement at each business.
- Transaction Date: 3/9/2026
- Industry: Professional Services
- Type: Venture
- Transaction Value: $2B
Nscale raised $2 billion in a Series C round — the largest in European history — led by Aker ASA and 8090 Industries at a $14.6 billion valuation, with additional participation from Citadel, NVIDIA, Dell, Jane Street, Point72, and others, to accelerate global deployment of its vertically integrated AI infrastructure spanning GPU compute, networking, data services, and orchestration software. Alongside the raise, Nscale welcomed Sheryl Sandberg, Susan Decker, and Nick Clegg to its board and consolidated the Aker Nscale joint venture fully into Nscale, streamlining governance and execution under a single entity.
- Transaction Date: 3/19/2026
- Industry: Machinery
- Type: Buyout/Private Equity
- Transaction Value: $1.95B
3M and Bain Capital agreed to acquire Madison Fire & Rescue from Madison Industries for $1.95 billion, combining it with 3M's Scott Safety business in a new joint venture in which 3M holds 50.1% and receives $700 million in cash proceeds at close, with Bain Capital owning 49.9%. The combined entity brings together Scott Safety's premium SCBA solutions with Madison Fire & Rescue's rescue technology and fire suppression portfolio — including Holmatro, Task Force Tips, and Waterax brands — to create a scaled, end-to-end fire and safety platform serving firefighters, first responders, and industrial workers.
- Transaction Date: 3/31/2026
- Industry: Aerospace & Defense
- Type: Growth Equity
- Transaction Value: $1.75B
Saronic Technologies closed a $1.75 billion Series D round led by Kleiner Perkins at a $9.25 billion valuation, with new investors including Advent International, Bessemer Venture Partners, and DFJ Growth joining existing backers Andreessen Horowitz, 8VC, and Franklin Templeton. Proceeds will accelerate development of Saronic's autonomous surface vessel portfolio — from the 24-foot Corsair to the 180-foot Marauder — and fund expansion of its manufacturing infrastructure including the next-generation Port Alpha shipyard, as the company pursues its mission to restore U.S. shipbuilding capacity at a scale not seen since World War II.
- Transaction Date: 3/16/2026
- Industry: Aerospace & Defense
- Type: Buyout/Private Equity
- Transaction Value: $1.45B
PennAero completed its acquisition of TriMas Aerospace from TriMas Corporation for $1.45 billion, adding eight established aerospace manufacturing brands — including Monogram Aerospace Fasteners, Allfast Fastening Systems, and RSA Engineered Products — to create a scaled independent supplier serving aerospace, defense, space, and advanced energy markets. The combination significantly expands PennAero's product portfolio and engineering capabilities across North America, Europe, and Asia, positioning the Tinicum and Blackstone-backed company as a credible independent alternative to the sector's largest consolidators for customers including Boeing and Airbus.
- Transaction Date: 3/30/2026
- Industry: Electrical Equipment
- Type: Acquisition/Merger
- Transaction Value: $1.1B
Flex announced a definitive agreement to acquire Electrical Power Products (EP2) for approximately $1.1 billion in cash (~$1.0 billion net of anticipated tax benefits), adding a 35-year-old provider of engineered-to-order electrical power control and protection systems with ~$323 million in revenue and a mid-to-high-teens adjusted EBITDA margin. The acquisition expands Flex's Critical Power portfolio with deep utility, power generation, and industrial expertise — including a scaled manufacturing campus in Des Moines, Iowa — as the company positions to capitalize on long-term grid modernization, electrification, and data center buildout trends.
At Dakota, we understand how important it is to stay current on deal activity as it happens. That’s why our editorial team continuously monitors the news for real-time updates on platform investments, add-ons, divestitures, and more to deliver daily highlights straight to your inbox through our transactions newsletter.
Inside Dakota Marketplace, the transactions tab provides structured, filterable data with deal dates, types, sectors, and financials, allowing you to build a customized feed that aligns with your focus areas.
Whether you're evaluating a new investment opportunity or tracking trends within a target sector, Dakota Marketplace helps you cut through the noise and focus on what matters most.
For more information on these transactions and a deeper dive into their industries and sub-industries, book a demo of Dakota Marketplace.
