Our Clients

Cornerstone Technologies, Inc. has established successful client relationships throughout California and the U.S.
Cornerstone provides clients with excellent services focused on meeting client expectations.


Anodyne, Inc.
Ceradyne, Inc.
Celedyne Relays
Cobham Conant
Ducommun Aerostructures, Inc.
Garwood Laboratories
Gulfstream Aerospace
Hermetic Seal Corporation
Honeywell, Inc.
LAX Fuel Corporation
National Technical Systems, Inc.
Parker Hannifin
Shimadzu Corporation

A-1 Pickle Co.
A.C. Products
Adams Services
Advanced Industrial Recycling
Ajax Boiler
Aluminum Precision Product
Associated Plating
Alumax Mill Products
Anthony Manufacturing Company
Armstrong World Industries, Inc.
BEO Plating
Bigge Crane
Bag House Services/ Weelabrator
Beneson Productions
Cal-Style Furniture
Carol Wior Swimsuits
Circle Marina Center
Clow Valve
ConAgra Foods
Coronet Manufacturing Company
CW Building Material Supply, Inc.
Details, Inc.
Douglas Furniture
Environmental Dynamics
Foamex International
Frigid Coil
Frontier Aluminum
Gaiser Tool Company
GNB Technologies
Harbor Pipe & Steel
Heinz Corporation
Hydrostabilization, Inc.
Ideal Anodizing
Ink Systems, Inc.
Masco Corporation
Metalite Manufacturing
Motorcar Parts of America
OC Plating Co.
Putzmeister, Inc.
Rosen´s Electrical
Rubbermaid Products
Santa Ana Plating
Santa Fe Extruders
Serious Entertainment
Steffen, Robertson & Kirsten
Stewart & Stevenson
Sumitomo Products
Superior Industries
Tannas Electronics
Tetra Process Services
Thomas & Betts
Thompson Building Materials
Tiger Services
Total Intermodal
TPI Group, Inc.
Van Law Foods
Westide Building Material Corporation Vallarta Supermarkets

ARCO Petroleum
Asbury Environmental
Chevron Mobil Oil Corporation
Enviropur West
K-VAC Environmental
Sav-On Fuel
USA Petroleum Corporation
Vince’s Auto Center
W.R. Rogers

California State University of Los Angeles
City of Colton
City of Cypress
City of Lawndale
City of Long Beach
City of Lynwood
City of Montebello
City of Torrance
Cypress College
Diocese of San Bernardino
Mt. San Antonio College
North Orange County Community College District
Northwestern San Pedro Homeowners Association
PT. Mugu Naval Base
Rose Hills Cemetery
Sonoma State University
South Coast Air Quality Management District
Southern California Water Company
Synthetic Organic Chemical Manufacturing
XL Cleaners

Accurate Circuit Engineering
American Purification, Inc.
AT&T Wireless Services
CD Video Manufacturing
Ceradyne, Inc.
City of Lawndale
Costner, Inc.
Honeywell Turbo Technologies
Petro Energy
Phenomenex, Inc.
Resource Renewal Tech.
Sammina Inc.
Sprint Nationwide Services
SPS Technologies
South Coast Circuits, Inc.

AMELCO Construction
ARB, Inc.
Bolster Flooring
CNS & Associates Inc.
Creative Environments
Global EMS
Granite Construction
HAR Construction
Hunt Construction
Kiewit Pacific Construction Company
M&S Construction
Primus Building Group
Troyer Contracting
Vulcan Materials Company
Advanced Environmental
Advanced GeoServices
CCA Associates
Costner Incorporated
Foss Environmental
G.A. Engineering, Inc.
M.A. Francis
PAL International
PS Environmental
Ralph M. Stone
Resource Renewal Technology
Roy F. Weston
Systems Engineering Company
The Kendall/Adams Group

Angelica Textile Co.
Aware Products
Citrus Valley Medical Center
CenterPaul N. Kalish, DDS
Cloverleaf Healthcare
Valley Presbyterian Hospital

Avis Rent-A-Car
Budget Rent-A-Car
B&H Towing Services
BMW of North America
BMW Valencia
California Cars
Catalina Freight Line
Galpin Ford
International Transport Services
Landrover SouthBay
Long Beach Transit
Montebello Transit
Smart Truck Systems
Taxi Systems, Inc.
Toyota Motor Corporation

American First Financial
American Home Loans
Bank of California
Bankers Financial Group
First Manhattan Funding
General Bank
GMAC Commercial Mortgage
Hawthorne Savings
Marathon Commercial
MTGT Manhattan Ltd.
Nevander Asset Management
Project Resources, Inc.
Queen City Bank
Regency Bank
Republic Bank
Resolution Trust Corp. (Denver & Texas Office)
Upland Bank
Wellington Mortgage
Western Federal Savings Bank
Weyerhaeuser Mortgage

CB Richard Ellis
Central Brooklyn Inc.
Conroy Commercial
Consumers Holding Company
EDR Enterprises
Emery Associates
Everest Properties
First Team Real Estate
Grubb & Ellis
Kaufman & Board
Komar Investments
Landmark Land Company of Louisiana
Lee & Associates
Legion of Christ
Lilly Enterprises, Inc.
Pacific Coast Realty
Place Properties
Prentiss Properties
Property Management
RKB Investments
Stuart Makler & Assoc.
The Call Company
The Fifth Day
Wakai & Associates
Taki Sun
Turner Development

Advisors, LLP
Foley & Pool
Fullerton & Lemann
Graham & James
Latham & Watkins
Law Offices of Norman Rasmussen
Newmeyer & Dillion
Rasmussen Coomber,LLP