California and Nevada 

Main Office in Los Angeles: 
Southern California and Southern Nevada: 
J Leddy, Inc.
John Leddy 1179 Nelrose Ave. Venice, CA 90291
Telephone & Fax: (310) 822-9177
E-mail: JohnCLeddy@aol.com

San Francisco and Silicon Valley:
Northern California Office
Jack Leddy 1860 Parrot Dr. San Mateo, CA 94402
Cellphone: (650) 773 - 8779 
E-mail: jbleddy@comcast.net

Northern California - North of San Francisco
Richard Leddy, Copious Systems
Box 147 Camp Meeker, CA 95419
Phone (707) 874-9332
E-mail: rleddy@svn.net

Sacramento Valley and North Nevada:
Hans P. Dettmar, DETTCO International Consulting Services
9047 Headwind Court Fair Oaks, CA 95628
Telephone: (916) 966-4290 Fax: (916) 966-6865
E-mail: hdettmar@pacbell.net  Web: www.dettcointl.com  

Consulting Electrical Engineer
Bob Wolbert, 26K Engineering
13400 Empire Grade Rd., Santa Cruz, CA 95060
Telephone: (831)588-1956
E-mail: 26K@K6XX.com

Consulting Mechanical Engineer (MBA, PE)
Dale DeRousse, P.O. Box 156
Murphys,  CA  95247
Phone (209)728-1001, (209)728-9976
E-mail: MJDeRousse@yahoo.com  

International

Europe and Middle-East:
Arthur Austin, AW Consultants
The Glebe, Hambridge Langport, Somerset
TA10 OBQ. U.K.
E-mail: jli@arthur.austinco.uk
 
Asia: China & Taiwan: RAF and GBI
Tina Chen--1F, No. 259 Fu Lin Rd. Shilin District,
Taipei TAIWAN R.O.C.
Telephone: 886-2-8866-6281
E-mail: tina@cheerkid.com

Tina Chen 2223 Idaho Falls Dr. Henderson, NV 89044
Telephone: (702)361-2933 Cellphone: (702)204-5668
E-mail: tina@cheerkid.com  

Brazil: RAF
Marcus Lubliner, Av Dr. Epitacio Pessoa
555 apt 42, Santos - 11030-601  São Paulo - Brazil
Cellphone: (13) 9788-5430
E-mail: marcus.lubliner@gmail.com