L Squared Capital Partners Acquires Functional Devices, Inc.

February 23, 2026

L Squared Capital Partners acquired Functional Devices, Inc. (FDI), a provider of “ready-to-use” field devices for building automation and emergency lighting systems, anchored by the RIB (Relay in a Box) brand. The deal includes investment alongside FDI management and positions L Squared to build a scaled building automation platform and pursue additional add-on acquisitions in peripheral components.

Buyers
L Squared Capital Partners LLC, L Squared Capital Partners IV and its affiliates
Targets
Functional Devices, Inc.
Sellers
Shorehill Capital LLC
Platforms
L Squared Capital Partners
Location
Indiana, United States
Transaction Type
Buyout

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