Operating Company Industrial Services

Fidelity Building Services Group

Hunt Valley, MD, United States

Fidelity Building Services Group (Fidelity) is one of the nation’s leading providers of HVAC/mechanical services, building automation, emergency power, and energy solutions serving commercial/industrial, mission-critical, government, education, and healthcare markets. Founded in 1945 and expanded to 75+ locations across the U.S. through strategic acquisitions and partnerships.

Focus Areas
HVAC/mechanical services, Building automation & controls, Emergency power systems
Website
fidelitybsg.com

Tracked deals

9

9 tracked deals across 2021-2026.

Recent pace

2

2 tracked deals announced in the last 12 months.

Deal mix

Addon

5 addon · 4 buyout

Fidelity Building Services Group Acquisition Volume by Year

Last 5 years

Acquisition volume by year Annual acquisition counts for the last 5 years for Fidelity Building Services Group. 2 2021 1 2022 2 2023 2 2024 ~3 est. 2 2026
Actual Full-year estimate

Supporting Data

Recent Transactions

  • Fidelity Building Services Group Acquires MVH Industrial
    April 30, 2026
    Buyer
    Fidelity Building Services Group, Onex Partners
    Target
    MVH Industrial
    Industry
    Industrial Services
    Location
    Kentucky, United States
    Type
    Addon

    Fidelity Building Services Group acquired MVH Industrial, a Kentucky-based provider of mechanical, electrical, plumbing, and general contracting services. The deal is intended to expand Fidelity’s South-Central U.S. presence and strengthen its ability to serve industrial and manufacturing clients with specialized turnkey capabilities.

  • Fidelity Building Services Group Acquires Masters Mechanical
    March 9, 2026
    Buyer
    Fidelity Building Services Group
    Target
    Masters Mechanical
    Seller
    John Masters (President / Partner of Masters Mechanical)
    Industry
    Industrial Services
    Location
    Virginia, United States
    Type
    Addon

    Fidelity Building Services Group acquired Masters Mechanical, a commercial and industrial HVAC and refrigeration services provider based in Virginia. The deal supports Fidelity’s nationwide expansion strategy and strengthens its presence in the Virginia market, especially for mission-critical and healthcare facilities.

  • Fidelity Building Services Group Acquires Tropic-Kool
    November 12, 2024
    Buyer
    Fidelity Building Services Group
    Target
    Tropic-Kool
    Industry
    HVAC & Mechanical
    Location
    Florida, United States
    Type
    Buyout

    Fidelity Building Services Group has acquired Tropic-Kool, a Largo, Florida-based commercial design-build and HVAC/mechanical services contractor. The acquisition strengthens Fidelity's service footprint in the Southeastern United States and adds Tropic-Kool's fabrication capabilities and local customer relationships in healthcare, education and commercial/industrial markets.

  • Fidelity Building Services Group Acquires Compressor Energy Services
    May 14, 2024
    Buyer
    Fidelity Building Services Group
    Target
    Compressor Energy Services
    Industry
    Industrial Services
    Location
    Connecticut, United States
    Type
    Buyout

    Fidelity Building Services Group (Fidelity BSG) has acquired Compressor Energy Services (CES), a New England–based firm specializing in compressed air energy-efficiency consulting and project implementation. CES will join Fidelity's Energy & Sustainability Group to expand turnkey energy offerings for industrial, manufacturing and R&D clients across Fidelity's national footprint.

  • Fidelity Building Services Group Acquires Chesapeake Mission Critical
    December 19, 2023
    Buyer
    Fidelity Building Services Group
    Target
    Chesapeake Mission Critical
    Seller
    Chesapeake Mission Critical
    Industry
    Electrical Services
    Location
    Maryland, United States
    Type
    Buyout

    Fidelity Building Services Group has acquired Chesapeake Mission Critical, a Beltsville, Maryland–based provider of mission-critical power and precision cooling systems. Chesapeake Corporate Advisors served as exclusive financial advisor to Chesapeake Mission Critical; the CMC management team will continue to run the business as an operating division of Fidelity BSG, with Mark Ryan serving as President of CMC and Partner in Fidelity BSG.

  • Fidelity Building Services Group Acquires Power of Clean Energy
    September 12, 2023
    Buyer
    Fidelity Building Services Group
    Target
    Power of Clean Energy
    Industry
    Energy
    Location
    Tennessee, United States
    Type
    Buyout

    Fidelity Building Services Group (through its Fidelity Energy & Sustainability team) has acquired Power of Clean Energy (PCE), a Nashville-based provider of energy transition planning and project implementation. The deal expands Fidelity’s energy and sustainability capabilities and strengthens its footprint across the southern United States as it scales toward a national platform for energy-efficient building solutions.

  • Fidelity Building Services Group Acquires Air One Industries
    December 8, 2022
    Buyer
    Fidelity Building Services Group
    Target
    Air One Industries
    Industry
    HVAC & Mechanical
    Location
    North Carolina, United States
    Type
    Addon

    Fidelity Building Services Group (Fidelity BSG) acquired Air One Industries, a North Carolina-based mechanical/HVAC provider, adding the company to Fidelity’s integrated building solutions platform. The acquisition expands Fidelity BSG’s service footprint in the Southeast and brings Air One’s capabilities in HVAC installation, chiller/process cooling, building automation, and 24/7 maintenance into its family of companies.

  • Fidelity Building Services Group Acquires South Florida Controls
    December 17, 2021
    Buyer
    Fidelity Building Services Group
    Target
    South Florida Controls
    Industry
    Electrical Services
    Location
    Florida, United States
    Type
    Addon

    Fidelity Building Services Group, backed by Onex Partners, has acquired South Florida Controls, a Miami-based building automation and controls systems integrator. The add-on acquisition (effective December 6, 2021) expands Fidelity BSG's building automation, energy management and controls capabilities and bolsters its presence in the South Florida market.

  • Fidelity Building Services Acquires AIR Technologies
    October 18, 2021
    Buyer
    Fidelity Building Services (Fidelity BSG)
    Target
    AIR Technologies
    Industry
    HVAC & Mechanical
    Location
    Oklahoma, United States
    Type
    Addon

    Fidelity Building Services (Fidelity BSG), a portfolio company of Oaktree Capital Management, has acquired AIR Technologies, an Oklahoma City–based mechanical/HVAC service provider. The add-on deal (effective October 8, 2021) expands Fidelity BSG's geographic footprint into Oklahoma and enhances its HVAC, sheet metal fabrication, and building-automation capabilities.

Related Acquisition Pages

HVAC & Mechanical Buyers & Acquisitions 3 tracked deals by Fidelity Building Services Group. Industrial Services Buyers & Acquisitions 3 tracked deals by Fidelity Building Services Group. Electrical Services Buyers & Acquisitions 2 tracked deals by Fidelity Building Services Group. Energy Buyers & Acquisitions 1 tracked deal by Fidelity Building Services Group. Acquisitions in Florida 2 tracked deals by Fidelity Building Services Group. Acquisitions in Connecticut 1 tracked deal by Fidelity Building Services Group. Acquisitions in Kentucky 1 tracked deal by Fidelity Building Services Group. Acquisitions in Maryland 1 tracked deal by Fidelity Building Services Group.

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