Translate this page:
Menu ☰

Tell us how you’re reducing methane emissions

Cornerstone Environmental Group, LLC

Type of Organization
Private Sector
Description of Services

Cornerstone Environmental Group, LLC is a full-service provider of engineering and consulting services related to landfill gas system design, permitting, air emission compliance, operation and maintenance. Our professionals are experienced in working with all aspects of the beneficial use of landfill gas and/or other forms of biogas for energy generation, direct use, or to off-set the need for fossil fuels.

Sector(s) of Interest
Agriculture; MSW; Oil & Gas; Other
Area(s) of Geographic Interest
North America; United States
Web Site
Swyka, Mark
Phone: (845) 695-0208

To add a new contact for your organization, or to update any of the information on this page, send an email to Please include the name of your organization as listed in the GMI Project Network database so we can be sure to update the correct information.

Project Network Member Logo

For Members

Find Project Network Members

View current Project Network members by sector: