Business services

Headquartered in Irving, Texas, Shermco provides electrical testing, engineering, maintenance, commissioning and repair services.

Protos is an independent technical consulting business.

Based in Downers Grove, Illinois, Rescar is a provider of railcar maintenance in North America.

OHM Security is a systems integrator provider.

Smith + Howard is a US-based tax, accounting, and advisory firm.

BPI is a Washington, DC-based strategic communications and public affairs firm.

Riverside Company, Leonard Green and Altas Partners are among the PE firms gaining ground in the sector.

IDnow is an identity verification platform provider in Europe.

Kalkomey is backed by Macquarie Capital.

Frontline has over 50 locations across the US.