JSI (Stone-Goff Partners Portfolio Company) Acquires Mitchell Engineering

JSI (Stone-Goff Portfolio Company) Acquires Mid-State Consultants

September 17, 2021

Engineering Services

JSI, a Stone-Goff Partners portfolio company, has acquired Mid-State Consultants, Inc., a Nephi, Utah–based broadband engineering firm. The add-on expands JSI's engineering capabilities and gives the company a stronger foothold in the western U.S., Alaska and Hawaii.

Stone‑Goff Continuation Fund Acquires Majority Interest in John Staurulakis (JSI)

September 7, 2022

Telecommunications

Stone‑Goff Partners II CF, LP, a GP‑led continuation fund sponsored by Stone‑Goff Partners, acquired a majority interest in John Staurulakis, LLC (JSI) in a secondary/recapitalization transaction. Pantheon was the lead investor in the continuation fund and was joined by abrdn Private Equity and reinvesting Stone‑Goff LPs/GPs; the recapitalization provides capital for JSI to pursue additional acquisitions and organic growth.

Stone-Goff Portfolio Company JSI Acquires Inteserra

June 6, 2024

Telecommunications

JSI, a portfolio company of Stone-Goff Partners, has acquired Inteserra, a telecommunications-focused compliance and advisory firm. The deal bolsters JSI’s regulatory compliance, transactional tax and advisory capabilities for broadband and telecom clients across the United States, with Inteserra founder Lance Steinhart remaining with the combined team.

JSI (Stone-Goff Portfolio Company) Acquires LogicomUSA

March 18, 2025

Telecommunications

JSI, a portfolio company of Stone-Goff Partners, has acquired LogicomUSA, a provider of voice, network, hosted VoIP and 24/7 contact center services for broadband providers and electric cooperatives. The add-on expands JSI’s network engineering and managed services capabilities by integrating Logicom’s contact center platform and BYOA offering to deliver end-to-end solutions to broadband operators nationwide.

SSP Innovations Acquires 3-GIS

January 4, 2021

Telecommunications

SSP Innovations, a portfolio company of Warren Equity Partners, has acquired 3-GIS, a provider of geospatial back-office web and mobile products for the telecommunications industry. The acquisition (closed Dec. 23, 2020) adds 3-GIS's SaaS product suite to SSP's utility GIS and telecom offering as an add-on to expand capabilities and market reach.

Spatial Business Systems Acquires GeoSpatial Innovations, Inc.

January 2, 2026

Cloud & SaaS

Spatial Business Systems, a portfolio company of Peak Rock Capital, has acquired GeoSpatial Innovations, Inc. (GSI), a provider of distribution design and vegetation management software for the power and utility industry. The add-on acquisition, which closed January 2, 2026, expands SBS’s intelligent design platform with GSI’s cloud-based Distribution Design Studio (DDS) and mobile Forester field offerings to better serve utilities and infrastructure customers across North America and Europe.