Concord, CA

Garaventa Enterprises, Inc.

Mt. Diablo Paper Stock, Inc.

Contra Costa Waste Service, Inc.

Rio Vista Sanitation Service, Inc.

Concord Disposal Service, Inc.

Pittsburg Disposal & Debris Box Service, Inc.

Mallard Financial Group, Inc.

Oakley Disposal Service, Inc.

Brentwood Disposal Service, Inc.

Discovery Bay Disposal, Inc.

Tallahassee, FL

Proto Equipment Company LLC

Proto Equipment

East Haven, CT

New Haven, CT

R & R Lawncare, Inc.

Castro Valley, CA

R.J. Proto Consulting Group, Inc.