With a start in the trades, real
estate was a natural progression.

Then curiosity and passion took over to build out the eCos portfolio. With more than 20 years of success across the real estate, sports, waste removal, environmental services, and construction industries, the Ehrenfeld Companies leverage extensive experience, market reach and economies of scale to achieve success.

Blue Ocean is a middle-market real estate investment firm headquartered in Owings Mills, MD. Blue Ocean pursues growth nationally and actively owns multiple product types within the real estate sector including multifamily, industrial, hospitality, and self-storage. Today, the Blue Ocean portfolio is valued in excess of $500MM with over 2,000 multifamily units and 3 million square feet of commercial space.

learn more

Blue Ocean Founder, President and CEO

SPIRE Institute & Academy is where aspiring student athletes and professionals come to fuel their passion. SPIRE’s five divisions (Academy, Events, Camps, Institute, Fit) are housed in a 825,000sq ft “world-class” sports complex. With a campus on 800+ acres and 10 year master plan, SPIRE’s unique multi-layered business model addresses industry challenges, creates diverse annual revenue streams, and positions SPIRE as the premier destination for students, events and strategic affiliations that can impact the future of academics, sport and other professions.

learn more

SPIRE Managing Member

Ace provides a full range of environmental services ranging from 24-hour Spill Response and Tank Management to Environmental Services including Soil and Groundwater Remediation and Waste Transportation. Environmental Clean Up Company Baltimore, DC, and Mid-Atlantic Regions.

learn more


IET is committed to the development and implementation of a wide variety of in-situ and ex-situ remedial alternatives. Utilizing a fleet of specially designed equipment applying in-house and licensed patented technologies with 18 years of field experience, IET is able to offer clients and their customers a variety of the most effective remedial solutions.

learn more

Innovative Environmental Technologies Partner

Located in Baltimore, Maryland, NWR has established itself as a local hauler to the Greater Baltimore/DC area servicing recurring municipal customers, as well as an experienced waste consulting firm. Servicing over 300,000 units nationwide, including hundreds of senior care facilities and Fortune 500 companies, NWR has earned a reputation for industry-leading waste management, reliability, and outstanding customer service.

learn more

Northwest Refuse Partner

Acquired in 2013 by Jonathan Ehrenfeld, Atlantic Mechanical has steadily grown its client base and range of services over the years. The company has been proudly serving its clients in the greater Baltimore area for over 30 years. Atlantic specializes in commercial and residential plumbing for builders, contractors, homeowners, and multi-family property managers.

learn more

Atlantic Mechanical Managing Member

Steinberg Sports & Entertainment is a full-service athlete management firm representing NFL players. They help all of their athletes to maximize their earnings potential and build concrete foundations for every piece of their career development. Their team of experts service each client in every aspect of his career – both on and off the field.

learn more

Steinberg Sports & Entertainment Partner

Formerly the North Carroll High School, Pantherplex boasts a 50 acre footprint including several multi-purpose fields, sports courts, and just under 300,000 square feet of multi-purpose space, including several gymnasiums and an 850 seat performing arts venue. The campus has been activated in partnership with Coppermine, for sports and arts rentals and will be hosting independent camp, clinic and league programs.

Pantherplex Managing Member

Built in 1868 as the St. Mary's Seminary and acquired in 1991 as a campus for Mercyhurst College, today, the estate is an architectural landmark. With responsible stewardship and genuine care, Granite Ridge has begun to vision a modern upgrade and business strategy focused on short and long term hospitality and sports rentals on the impressive 80-acre grounds.

Granite Ridge Managing Member

Founded in 2007 as a small family-owned swim school, Triangle’s two locations in Cary and North Raleigh, NC currently service more than 980 students. The award-winning swim school focuses on building techniques with one-on-one and small group coaching. The school prides itself on their experienced trainers and individualized attention, including instructors who are ASL and special needs certified.

learn more

Triangle Swim School Managing Member