Apex Companies

Apex is a national firm specializing in water resources and environmental services, offering comprehensive solutions for both routine and complex projects. Established in 1988 and headquartered in Rockville, Madison, Apex provides a wide range of services, including environmental assessments, water and stormwater management, permitting and planning, and remediation. The firm serves a diverse clientele across various sectors, including energy, industrial, manufacturing, real estate, retail, aerospace, education, food, and healthcare. By addressing critical environmental issues related to water, ground, facilities, and air quality, Apex enables clients to uphold environmental health and safety standards effectively. The company operates under Sentinel Capital Partners, having been previously acquired by Tailwind Capital in 2010.

Roger Nordlinger

Vice President

2 past transactions

Environmental Partners Group

Acquisition in 2021
Environmental Partners Group is a consultancy firm offering a range of engineering services primarily to municipal, commercial, industrial, and institutional clients. The company specializes in civil engineering, providing expertise in construction and management, as well as in drinking, stormwater, and wastewater services. Additionally, Environmental Partners Group focuses on infrastructure asset management and emergency management services, enabling clients to effectively address their environmental and infrastructural needs. Through its comprehensive advisory services, the firm supports clients in navigating complex projects and optimizing their resources.

Retention Pond Services

Acquisition in 2019
Retention Pond Services is a Wilmington, North Carolina-based company specializing in stormwater management. The firm offers a comprehensive range of services, including stormwater compliance, maintenance, and repair. By focusing on the inspection, upkeep, and restoration of stormwater systems and related infrastructure, Retention Pond Services caters to the needs of both commercial entities and municipalities. The company has established itself as a one-stop solution for stormwater management, ensuring that clients meet regulatory requirements while maintaining the functionality and integrity of their stormwater systems.
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