Blackstone Environmental announces that Knightly Environmental has merged with Blackstone Environmental as of January 1, 2023. For the past 30 years Knightly Environmental, an environmental consulting firm, has specialized in the assessment and remediation of petroleum contaminated soil and groundwater sites across the Midwest. 

Knightly Environmental will expand Blackstone’s environmental consulting team, contributing expertise in Phase I and Phase II Environmental Site Assessments (ESAs), groundwater monitoring, site remediation supervision, asbestos inspections, storage tank closures, waste stream sampling, and site investigations. 

Blackstone Environmental is excited to welcome Knightly Environmental to the team and to continue growing its talents to provide clients the best services and staff for their environmental needs.

For more information, visit