Advanced GeoEnvironmental, Inc. 381 Thor Place Brea, CA 92821 Phone: 714-529-0200 Fax: 714-529-0203

Airvac Services Inc 3595 Wynkoop Street Denver, CO 80216 Phone: 303-299-9300 Fax: N/A

Al-Max Sanitation 10023 Prospect Ave Santee, CA 92072 Phone: 619-562-5540 Fax: 619-562-2435

APS Environmental 6715 32nd St # B North Highlands, CA 95660 Phone: 916-454-2000 Fax: 916-334-4440

AREA Inc. 1088 W. Mowry Dr. Homestead, FL 33030 Phone: 305-248-4205 Fax: 305-248-1756

Austin Analytical Corp. 3267 Bee Caves Rd., #107-75 Austin, TX 78746 Phone: 512-891-7777 Fax: 888-291-9514

CEI Engineering Associates, Inc. 3317 SW I Street Bentonville, AR 72712 Phone: 479-273-9472 Fax: 479-273-0844

Cleaning System Specialists, Inc. 10821 Airport Drive El Cajon, CA 92020 Phone: 619-448-8111 Fax: 619-448-8233

Latimat Inc. 20 Claireport Cres. Unit 4 Etobicoke ON, Unlisted M9W 6P6 CA^Canada Phone: 416-740-2597 Fax: 416-740-7470

Liquid Environmental Solutions 11301 Newkirk Street Dallas, TX 75229 Phone: 469-461-6000 Fax: 469-461-6065