Fidelity Building Services Group Acquires South Florida Controls

Onex Partners V Acquires Fidelity Building Services Group

November 9, 2021

Industrial Services

Onex Partners V, a fund of Onex Corporation, has agreed to acquire Fidelity Building Services Group in partnership with the company's management team. Fidelity BSG is a provider of HVAC, mechanical, building automation and emergency power services headquartered in Sparks, Maryland; Onex said it will support Fidelity's organic growth and accelerate its acquisition strategy. Terms were not disclosed and the transaction was expected to close later in 2021 subject to customary conditions.

Fidelity Building Services Group Acquires Air One Industries

December 8, 2022

HVAC & Mechanical

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 Acquires AIR Technologies

October 18, 2021

HVAC & Mechanical

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.

Fidelity Building Services Group Acquires Tropic-Kool

November 12, 2024

HVAC & Mechanical

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.

Sciens Building Solutions Acquires Southern Fire Control

January 20, 2026

Engineering Services

Sciens Building Solutions, a Carlyle-backed fire and life safety platform, has acquired Southern Fire Control, a Pembroke Pines, Florida-based full-service fire sprinkler contractor founded in 1990. The add-on expands Sciens' presence in Florida to eight locations and increases the company's Florida headcount to nearly 600, broadening its capabilities across education, healthcare, hospitality and multi-family verticals.

Fidelity Building Services Group Acquires St. Johns Air

December 11, 2025

HVAC & Mechanical

Fidelity Building Services Group has acquired St. Johns Air, a Jacksonville-based provider of HVAC and refrigeration services, expanding Fidelity’s footprint into Northeast Florida and South Georgia. The deal adds HVAC, refrigeration, preventive maintenance and retrofit capabilities to Fidelity’s national platform and strengthens service coverage for commercial and industrial customers in the region.