Deals in brief

O2 invests in Steffl Drilling & Pump

Steffl Drilling & Pump serves municipal, agricultural, commercial, and residential customers across the Upper Midwest.

Artemis acquires optical engineering firm Optikos

Dr. Stephen D. Fantone, the company's founder, will serve as founder, strategic advisor, and chair emeritus of Optikos.

Aquiline-backed ClearCourse to acquire Kurve

Kurve provides self-service kiosks and digital ordering systems.

Main Capital-backed Mach picks up SMS Stiewi

SMS provides software for the administration of non-wage personnel expenses.

Southfield-backed Protos acquires At-Risk International

Based in Norwalk, Connecticut, Protos is a tech-enabled managed services security provider.

Mighty Capital raises $91m for Fund III, triple the size of second fund

Six IPOs for portfolio companies in the last eight years, steady distributions and a healthy re-up rate helped the product-led VC firm expand its institutional LP base.

Stonepeak and Bernhard Capital to acquire electric utility Cleco

The seller is a consortium comprised of Macquarie Asset Management, British Columbia Investment Management Corporation and Manulife Investment Management.

Maple Park taps Robert Zell as CFO

Most recently, Zell served as chief operations officer and chief compliance officer at Alta Fox Capital Management.

Providence-backed VivaGym to buy Synergym

Synergym is gym chain based in Málaga, Spain.

Lovell Minnick-backed Newport Specialty Partners invests in Complex Coverage

Newport is a newly formed specialty insurance platform.