Earth Tek Engineering Corp.

Mercer Construction
42690 Rio Nedo Way, Suite D
Temecula, CA 92590
(951) 296-0111, Fax (951) 296-0246
Vice President: Bob Erickson

Suffolk Construction Company
38 Discovery, Suite 200
Irvine, CA 92618
(949) 453-9400, Fax (949) 453-9495
Project Manager: Darin Zwick

Taisei Corporation / T & K Mechanical, Inc. JV
25500 Hawthorne Blvd., Suite 1000
Torrance, CA 90505-6834
(310) 373-3320, Fax (310) 373-6733
Senior Vice President: Alan G. Hobelman

Bomel Construction
8195 E. Kaiser Blvd.
Anaheim Hills, CA 92808
(714) 921-1660, Fax (714) 921-4135
Project Manager: Kasey Shay

Howard CDM
3777 Long Beach Blvd.
Long Beach, CA 90807
(562) 427-4124, Fax (562) 427-9864
Contact: Tom Ottenstein