Apex Companies Acquires Environmental Partners

Morgan Stanley Capital Partners Acquires Apex Companies from Sentinel Capital Partners

February 1, 2023

Environmental Services

Investment funds managed by Morgan Stanley Capital Partners (MSCP) have acquired Apex Companies, a Rockville, Maryland–based environmental consulting and engineering firm, from Sentinel Capital Partners. Sentinel will retain a minority stake post-closing; financial terms were not disclosed. Apex operates over 1,100 professionals across ~50 offices and provides services in stormwater compliance, water resources, ESG, health & safety, transportation, and civil engineering.

Apex Companies Acquires Water Science Associates

March 8, 2023

Environmental Services

Apex Companies, LLC has acquired Water Science Associates, a Fort Myers-based hydrogeology and water resources consulting firm. The acquisition expands Apex's water resources, hydrogeology, and infrastructure capabilities in Florida and brings Water Science Associates' founders and technical team into Apex to support integration and future growth.

BP Energy Partners Acquires Encino Environmental Services, LLC

November 17, 2020

Environmental Services

BP Energy Partners (BPEP), a Dallas-based private equity firm, has acquired Encino Environmental Services, LLC, an environmental consulting and emissions testing company headquartered in Katy, Texas. The acquisition expands BPEP's portfolio of environmental services and testing capabilities—covering emissions performance testing, LDAR, CEMS and environmental data/reporting—to support regulatory compliance and corporate ESG initiatives.

Copley Equity Partners Invests in Triton Environmental Consultants

January 26, 2023

Environmental Services

Copley Equity Partners made a minority growth investment in Triton Environmental Consultants, with existing shareholders retaining significant ownership and management control; financial terms were not disclosed. The capital will support Triton's continued growth across Canada, planned expansion into the United States, and inorganic growth through acquisitions.

Apex Companies Acquires Johnson Engineering

September 3, 2024

Engineering Services

Apex Companies, LLC has acquired Johnson Engineering, Inc., a Florida-based multidisciplinary civil engineering firm with more than 130 professionals across six offices. The acquisition expands Apex’s engineering and consulting capabilities in Florida; Johnson Engineering will operate as "Johnson Engineering, an Apex Company" with existing management led by Lonnie Howard remaining in place.

Apex Service Partners Acquires Frontier Service Partners from Imperial Capital

January 23, 2024

HVAC & Mechanical

Apex Service Partners has acquired Frontier Service Partners from Imperial Capital, closing on January 23, 2024. Frontier consolidates three Midwest residential home‑services brands (Haley Mechanical, Korte Does It All and AB May); Apex will integrate the brands into its national HVAC, plumbing and electrical platform to drive further growth and operational scale.