Helix Traffic Solutions Acquires Mels Electric

Nonantum Capital Partners Acquires Helix Traffic Solutions

August 17, 2021

Industrial Services

Nonantum Capital Partners, a Boston-based middle-market private equity firm, has acquired Helix Traffic Solutions, a leading U.S. provider of traffic management services, equipment rental, and sign installation. The investment will support Helix’s national expansion strategy and continued roll-up of founder-led traffic service businesses across the United States.

Helix Traffic Solutions Acquires Highway Safety Services

August 4, 2025

Infrastructure

Helix Traffic Solutions, majority-owned by Nonantum Capital Partners, has acquired Highway Safety Services of Lafayette, Indiana. The add-on expands Helix's footprint in Indiana's traffic safety market (traffic control, pavement marking, flagging and equipment sales/rentals); transaction terms were not disclosed.

Helix Traffic Solutions Acquires IDAX Data Solutions

September 18, 2025

Data & Analytics

Helix Traffic Solutions has acquired IDAX Data Solutions, a Renton, Washington–based provider of multimodal traffic data and analytics, to expand Helix's transportation analytics and data-driven service offerings. The acquisition integrates IDAX's data-collection and analytics capabilities into Helix's traffic control and work-zone management services to deliver more comprehensive solutions for municipal, state, and private-sector clients.

Lumin8 Transportation Technologies Acquires Bean Electrical

May 11, 2023

Construction

Lumin8 Transportation Technologies, a portfolio company of Crest Rock Partners, has acquired Bean Electrical, a Fort Worth, Texas-based provider of traffic signal and streetlight construction and maintenance services. The add-on expands Lumin8's operations into the Dallas–Fort Worth market and strengthens its ITS and traffic infrastructure installation and maintenance capabilities for government and contractor customers.

Lumin8 Transportation Technologies Acquires Rommel Infrastructure

August 21, 2024

Transportation

Lumin8 Transportation Technologies, a portfolio company of Crest Rock Partners, has acquired Rommel Infrastructure, a Linthicum Heights, Maryland-based provider of traffic signal and street light maintenance and installation services. The add-on expands Lumin8’s Mid-Atlantic footprint and service capabilities; the acquisition is the seventh add-on to the Lumin8 platform and brings Lumin8’s workforce to over 500 employees.

Lumin8 Transportation Technologies Acquires Watson Electrical Traffic Signal Division

November 7, 2023

Electrical Services

Lumin8 Transportation Technologies, a portfolio company of Crest Rock Partners, has acquired the Traffic Signal division of Watson Electrical Construction Co. LLC in an asset divestiture. The deal — executed as an add-on to Lumin8's platform — expands Lumin8's ITS and traffic-signal capabilities and more than doubles its presence in North Carolina, creating a combined organization of over 450 employees serving government agencies and contractors.