Progressive Green Solutions, Inc. (OTCPK:PGSC) acquired Highland Sand & Gravel, Inc. on October 12, 2016. Progressive Green Solutions has financed the transaction with an amount of $4 million from Highland Sand & Gravel. Progressive Green Solutions, Inc. (OTCPK:PGSC) completed the acquisition of Highland Sand & Gravel, Inc. on October 12, 2016.