About Us


Greentree Environmental was founded in 2016 right in the center of the Marcellus shale formation with headquarters Eighty Four, PA.  We work hard to provide valuable solutions to our energy and industrial clients every day through a variety of services.  

We operate our own fleet of equipment including tri-axle and quad axle dumps, roll-offs, vac and water trucks.  We haul non-hazardous waste, water, mud, and trash. 


We also offer tank cleanings, analytical testing, waste profiling, and advanced scheduling and daily cost tracking. 

Our staff works hard to eliminate headaches for our clients.  We leverage our people, equipment, experience, and relationships to solve problems for them every day.   


The Team

Margaret Williams, VP Greentree Environmental Services

Margaret joined Greentree Services in 2016 as the General Manager of the newly formed Greentree Services. Margaret is a 28 year veteran of the Waste Industry holding various management roles throughout her career which began in 1988.  Margaret was promoted to Vice President in 2018 and currently manages a team of 50 employees.

Prior to joining Greentree Services (GTS), Margaret held the position of General Manager, Advanced Disposal, the largest privately held disposal company in the United States. In her role, Margaret successfully led a talented team of individuals providing hauling, disposal, and environmental services throughout Pennsylvania and Maryland.  Margaret also held the position as General Manager for Oilfield services, providing hauling, disposal, and environmental services to E&P companies throughout the Marcellus and Utica Shale plays. Before Advanced Disposal, Margaret worked for Waste Management for 23 years in various management positions. 



We can't wait to hear from you

Greentree Environmental, Inc.

1600 Rte 136

Eighty Four, PA 15330

Phone: 724-206-0849

Email: info@greentreelogistics.com