M&A Deal Summary

Arcline Investment Management Acquires Rotating Machinery Services

On January 9, 2025, private equity firm Arcline Investment Management acquired business services company Rotating Machinery Services from Hidden Harbor Capital Partners

Acquisition Highlights
  • This is Arcline Investment Management’s 3rd transaction in the Business Services sector.
  • This is Arcline Investment Management’s 25th transaction in the United States.
  • This is Arcline Investment Management’s 3rd transaction in Pennsylvania.

M&A Deal Summary

Date 2025-01-09
Target Rotating Machinery Services
Sector Business Services
Buyer(s) Arcline Investment Management
Sellers(s) Hidden Harbor Capital Partners
Deal Type Secondary Buyout

Target

Rotating Machinery Services

Bethlehem, Pennsylvania, United States
Rotating Machinery Services is a provider of specialty aftermarket repair, maintenance, and overhaul services for large, highly engineered rotating machinery. RMS’s solutions improve performance and extend the useful life of complex machinery used in customers’ critical industrial processes. Rotating Machinery Services was founded in 1997 and is based in Bethlehem, Pennsylvania.

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Buyer(S) 1

Buyer
DESCRIPTION

Arcline Investment Management is a private equity firm that seeks to invest in niche, market-leading companies. Arcline is a generalist investor, however the Firm prefers businesses in the industrials, technology, life science, and chemicals sectors. The Firm targets businesses with $10 to $100 million of EBITDA and valued up to $1 billion. Arcline was formed in 2018 and has offices in New York City and San Francisco.


DEAL STATS #
Overall 29 of 31
Sector: Business Services M&A 3 of 3
Type: Secondary Buyout M&A Deals 7 of 8
State: Pennsylvania M&A 3 of 3
Country: United States M&A 25 of 27
Year: 2025 M&A 1 of 3
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-05-28 Voltyx

Nashville, Tennessee, United States

Voltyx provides highly technical, outsourced substation services to a diverse universe of utility, renewable, data center, industrial, and other customers nationwide. Voltyx provides a comprehensive, specialized service offering across transformers, protective relays, and control systems and other related substation apparatus equipment such as breakers, batteries, and switchgear. Voltyx is based in Nashville, Tennessee.

Sell -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-11-10 Novaria Group

Ft. Worth, Texas, United States

Novaria Group is a cohesive family of precision aerospace & defence component companies, a sum made greater by the value of its parts, that consistently delivers optimum performance and sustainable growth. Novaria Group was founded in 2011 and is based in Fort Worth, Texas.

Buy $2.2B

Seller(S) 1

SELLER
DESCRIPTION

Hidden Harbor Capital Partners is an operationally focused private equity firm focused on acquiring North American middle-market companies. The Firm seeks businesses with up to $500 million in revenue and up to $30 million of EBITDA. Sectors of interest include industrials, transportation/logistics, consumer products, automotive, environmental, chemicals, food/beverages, and business services. Hidden Harbor Capital Partners was established in 2016 and is based in Boca Raton, Florida.


DEAL STATS #
Overall 3 of 4
Sector: Business Services M&A 1 of 1
Type: Secondary Buyout M&A Deals 3 of 3
State: Pennsylvania M&A 1 of 1
Country: United States M&A 3 of 4
Year: 2025 M&A 1 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2024-11-12 Norplex Micarta

Postville, Iowa, United States

Norplex Micarta is a producer of high-performance thermoset composite materials. By providing high quality technically advanced composites to unique customer specifications, Norplex Micarta has become the provider of choice for OEMs, fabricators, and distributors serving the electrification and industrial end markets. Norplex Micarta is based in Postville, Iowa.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2025-10-02 Avtron Power Solutions

Cleveland, Ohio, United States

Avtron Power Solutions provides load bank and test solutions, including the Avtron and Froment product lines, the SIGMA control platform and related services offerings, with operations in North America and the UK. Avtron Power Solutions is based in Cleveland, Ohio.

Sell -