SEI Group Acquires G5 Enterprises

SEI Group Acquires Sacramento Insulation, Inc.

February 19, 2025

Building Products

SEI Group LLC, a Quad‑C Management‑backed installer of insulation and specialty building products, has acquired Sacramento Insulation, Inc., a Sacramento, California installer of fiberglass, spray foam and other insulation products. The add‑on expands SEI's footprint into California and bolsters its presence in single‑family, multi‑family and light commercial new construction markets; terms were not disclosed.

Quad-C Management Acquires SEI Group LLC from Narrow Gauge Capital

March 15, 2021

Building Products

Quad-C Management has acquired SEI Group LLC, a distributor and installer of residential insulation and specialty building products based in Atlanta, Georgia, from Narrow Gauge Capital. Quad-C will partner with newly appointed executives and the existing SEI management team to pursue an aggressive consolidation strategy and national growth for the platform; terms were not disclosed.

SEI Group Acquires Carolina Gutter Company of SC, LLC

March 5, 2024

Building Products

SEI Group LLC, a Quad‑C Management‑backed installer of insulation and specialty building products, acquired the assets of Carolina Gutter Company of SC, LLC, a Charleston-based installer of gutters, garage doors and after-paint products. The acquisition expands SEI’s local presence in the Charleston market as part of its ongoing rollup strategy under Quad‑C ownership; terms were not disclosed.

SEI Group Acquires Energy Conservation Insulation Company (ECI)

May 5, 2022

Building Products

SEI Group LLC, a portfolio company of Quad-C Management, has acquired Energy Conservation Insulation Company (ECI), a Bend, Oregon-based residential and light commercial insulation services provider. The transaction expands SEI's geographic footprint in Oregon as part of its ongoing roll-up strategy following a 2021 recapitalization with Quad-C.

SEI Group Acquires Panhandle Building Materials and EnergyPro Insulation

July 2, 2024

Building Products

SEI Group LLC, a Quad‑C Management‑backed installer of insulation and specialty building products, acquired Panhandle Building Materials, Inc. (Pensacola, FL) and EnergyPro Insulation, Inc. (Grand Junction, CO). The acquisitions expand SEI’s footprint and service offering in residential new construction across Florida and western Colorado as part of its ongoing add-on rollup strategy.

GNI Management Group Acquires Advanced Insulation Inc.

September 1, 2023

Construction

GNI Management Group Inc., an Ironbridge Equity Partners portfolio company, has acquired Winnipeg-based Advanced Insulation Inc., a provider of insulation services focused on new-home construction and retrofit markets in the Winnipeg region. The deal expands GNI’s geographic footprint into Manitoba; Advanced’s president Evan Lavallee will remain as branch manager to support integration and local growth.