California

Tri Environmental Inc. - Anaheim, California

Interphase Environmental Inc - Pico Rivera, California

Environmental Systems Products - Fullerton, California

Environmental Intelligence, LLC - Laguna Beach, California

Avanti Environmental Inc - Los Alamitos, California

SCA/LA Environmental, Inc - Long Beach, California

Critical Environments Inc - Costa Mesa, California

Environmental Training and Compliance Inc. - Anaheim, California

Field Environmental Instruments, Inc.-Los Angeles - Northridge, California

Eco - Logic Environmental Engineering Inc. - Placentia, California