

A degraded riparian corridor along Beaver Run required stabilization and restoration. Extensive hydromodification had turned Beaver Run, a Mill Creek tributary…
Established in 1988, Apex Companies is a national multidisciplinary consulting and engineering services firm with a robust portfolio of capabilities in water, environmental, health and safety, construction management, transportation, compliance and assurance, and infrastructure. Rated #13 as an ENR All-Environmental firm and #63 in the top 200 overall, we are known for our technical expertise, rapid response, operational integrity, and exceptional client satisfaction. We operate in all 50 states and maintain a highly capable and diverse team of scientists, geologists, engineers, technicians, and information management specialists.
Located in downtown Silver Spring, Maryland, just a few blocks from the Silver Spring Metro Station, the Ripley District historically consisted of industrial and commercial uses such as auto-repair...
Located in downtown Silver Spring, Maryland, just a few blocks from the Silver Spring Metro Station, the Ripley District historically consisted of industrial and commercial uses such as auto-repair...
A degraded riparian corridor along Beaver Run required stabilization and restoration. Extensive hydromodification had turned Beaver Run, a Mill Creek tributary…
Apex team members have been managing and providing monthly SPCC plan inspections for 16…
The Town of Wellesley conducted PFAS screening results at all of their water supplies in April 2021, as required by MassDEP.
With millions of customers across the country, this energy company owns over 50K megawatts (MW) of generation in the US…
Tri-Town Water District Board manages the shared water supply of the Great Pond Reservoir…
Environmental Partners (EP), Apex Companies’ Infrastructure Solutions platform, was engaged to assist…
Apex Companies currently coordinates and conducts stormwater compliance inspections, as well as erosion…
In preparation for future cessation of mining at the site, the client needed support in reclamation and implementation activities…
The client hired Apex Companies to plan and implement investigations to evaluate the presence of PFAS in soil and groundwater at several…
Tar wastes emanating from historical operations at a former MGP facility located on the…
Located in downtown Silver Spring, Maryland, just a few blocks from the Silver Spring Metro Station…
Apex Companies was contracted by the City of Manassas, Virginia to perform a HAZMAT survey…
Based on the site’s historical use as a sugar mill, to comply with current regulatory requirements…
The client’s plan included redevelopment of the site as a discount grocery store…
The client’s 138 kV transmission line project required complex permitting due to adjacent wetland areas, necessitating a partner…
When a release of gasoline from an UST system at a retail gasoline station occurred, the client needed to both investigate…
The former smelting facility had been inactive since 1982 and was closed under Resource Conservation and Recovery Act…
The PWCPD has a firing range dedicated to their police department staff as well as police departments in other counties…
Maryland’s Montgomery County Police Department operates a firing range facility located in…
The Transportation Technology Center (TTC) is a federal facility owned by the US Department of Transportation (DOT)…
Apex Companies’ ongoing Environmental Services contract at the DoD, 350-acre, DFSP San Pedro former bulk fuel terminal facility…
When a utility company looks to expand its transmission lines, it must perform numerous assessments and due diligence…
Beginning in October of 2020 through April of 2021, Apex Companies was contracted by two major electric and gas utility companies to provide…
Apex has provided Phase I and II environmental site assessment (ESA) services for our client…
Restoration of properties for new or altered use comes with many challenges. As new and…
Rivers naturally want to curve and meander through our landscape. Over time, the force of the water…
Arguably the most-valuable Brownfields project in Colorado, the Former Gates Rubber Factory…
This Fortune 500 energy provider was founded over a century ago. With over 38K miles of pipeline and integrated facilities, the siting…
The Defense Logistics Agency manages the global supply chain for the Army, Navy, Marine Corps, Air Force, Space Force, Coast…
The client engaged Apex Companies to perform environmental due diligence for the divestiture of two business units…
The record-breaking 2020 hurricane season produced 30 named storms, including six major hurricanes, and resulted in over $51B in damages and approximately 430 deaths.
On behalf of our client and in collaboration with state and local regulatory agencies, Apex Companies is investigating…
The Seminole Tribe of Florida (STOF) discovered remnants of a historic cattle dip vat operations on its Brighton, Florida Reservation…
When a release from a 32-inch diameter gasoline pipeline was discovered within a rural mining operations area within two large…
Apex Companies was recently challenged to develop a turnkey system for managing a significant portion of the overall natural…
Metropolitan Pier and Exposition Authority (MPEA) and the City of Chicago were seeking…
Apex was contracted by a large national electric utility provider to provide a comprehensive plant-wide ACM and LCP survey…
As part of an outsourcing assignment for this aerospace…
As part of an outsourcing assignment of a large aerospace manufacturer Apex was assigned…
Prevent the exposure of sensitive populations to legionella bacteria, which commonly grow in large aquatic systems such as cooling…
Provide accurate, rapid, and professional EHS consulting support across business units, geographies, and technical needs…
Our client’s CEO was presented with an analysis of the company-wide WC claims experience which…
The Metropolitan Atlanta Rapid Transit Authority (MARTA), the eighth-largest rapid-transit system in the United States…
Our client operates aggregate mines, cement plants, and asphalt plants with over 7,000 employees across 43 states. To safeguard…
Bakeries and food production facilities require specialized equipment and machinery that is often complex and prone to…
This logistics and shipping…
Provide strategic insight and develop a cost-effective program to increase productivity while controlling and/or lowering…
The client needed a credible and efficient industrial hygiene…
The client, a PE firm with a wide array of portfolio companies, engaged with Apex Companies to provide environmental, social…
The client’s acquisition of seven neighboring properties included real-estate appraisals and negotiations for final purchase…
Since 2011, Apex Companies has been helping this oil and gas client address their air permitting and…
With the release of the NSPS OOOOa for oil and natural gas facilities in 2016, our client needed to gather operational data for…
Apex Companies was retained to conduct a limited-level assurance of the client’s 2019 Corporate Social Responsibility (CSR) report…
Linear construction support involves land use constraints, easement issues, access…
Stormwater regulations are both complex and vary widely based on region, industry, and even site-specific requirements…
Apex Companies’ client, a large general contractor that builds fuel cells along the eastern seaboard, needed a reliable…
Environmental Partners (EP), Apex Companies’ Infrastructure Solutions platform, was engaged by the Town of Lexington in 2017…
The Newman Avenue Wellfield, a sole source aquifer in Seekonk, MA supplies 80 percent of the water for the Seekonk Water District…
Hingham’s water system serves all of Hingham, Hull, and parts of Cohasset, and is privately owned. After years of careful evaluation…
This project was publicly bid in accordance with with Massachusetts State General Law, Chapter 30, Section 39M in the…
The client required site civil project management of a $300m new factory build in Ranson, WV. Our client is headquartered in…
The market for environmental risk management and public disclosures has changed dramatically in the last three decades. Companies must now…
In connection with a proposed $400 million plus financing and loan syndication, Apex was retained by the lead bank to provide…
A $12B chain of over 750 convenience retail stores across the Eastern US needed a solution…
Since 2002, Apex Companies has provided a broad range of services to this Fortune 50 company…
The District owns and operates nearly 200 individual stormwater treatment control BMPs installed…