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| 3Com Corp. | 3M Co. | ASAE (American Society of Associated Executives) | AT&T, Inc. |
| Advanced Cardiovascular Systems, Inc. | Albemarle Corp. | Alza Pharmaceuticals | Amdahl Corp. |
| America True | American Airlines, Inc. | American Bankers Assn. | American Express Co. |
| American Harvest | American Urological Assn. | Ampex | Arthur Anderson LLP |
| Anheuser-Busch Companies, Inc. | Apple, Inc. | Applied Technology & Science | Aristocrat Gaming Worldwide |
| Arthur D. Little | Atari | Bank of America, Corp. | Barnes & Hind |
| Bechtel Corp. | Blue Shield of California | Boole & Babbage, Inc. | The Carnelian Room |
| CCM Travel | CHM Fellows | CIT Group, Inc. | CKS Partners |
| California Academy of Sciences | California Bankers Assn. | California Casualty Management Co. | California Teachers Assn. |
| Carnation | Cavalli & Associates | Ceremony Magazine | China Clipper |
| Chevron Children's Health Council | Chips & Technologies, Inc. | Coca-Cola Co. | Consolidated Freightways |
| Colin Cowie | Creative Automation, Inc. | Crossing Boundaries | Data General Corp. |
| DGI | Democratic National Convention | Depuy Companies | DeSilva Gates Construction |
| Diasonics, Inc. | Digital Equipment Corp. | Dr. Pepper Snapple Group | ESL, Inc. |
| Euromundi | FMC Corp. | Far Niente Winery | Flatiron |
| Foote, Cone & Belding | Ford Motor Co. | Francisco Partners | Fulfillment Xcellence, Inc. |
| Future Network USA | General Motors Co. | Gap, Inc. | GATX Corp. |
| Genetech, Inc. | General Electric Corp. | Goodyear Tire & Rubber Co. | Granny Goose |
| HOK | HR Systems and Professionals | The Hahn Co. | Hewlett-Packard Co. |
| Health Industries Distributors Assn. | Home Savings of America | Hult | Hunt Wesson Foods Co. |
| Hyatt Hotels Corp. | IBM Corp. | IBM Informix | IEEE |
| Intersil Corp. | Intel Corp. | IGT | Japan Travel Bureau, Inc. |
| Jewish Museum | Johnson & Johnson Family of Companies | Juniper Networks | KQED PBS Television |
| KSF | Kaiser Electronics, Inc. | Keker & Van Nest, LLP | Kendall Jackson Wine Estates |
| Ketchum Communications | Koret Foundation | Levi Strauss & Co. | Liberty Mutual |
| Lions Club International | Litton Industries | Lockheed-Martin | LSI Corp. |
| Logic Corp. | MCC | MCI Communications Corp. | MLB (Major Baseball League) |
| Marriott Hotels | Marcus & Millichap Real Estate Investment Svcs. | Mazda Motor Corp. | McLaren |
| Measurex | Menlo Country Club | MetLife, Inc. | MicroPro |
| Microsoft Corp. | Mini USA | Mitsui Group | Mitsubishi Group |
| Moda Italiana | Molecular Devices, LLC | Mutual Benefit Life Insurance Co. | Napa Valley Reserve |
| National Glass Assn. | National Semiconductor | New York Life Insurance Co. | Northern Telecom |
| Novell, Inc. | Novellus | Oberthur Card Systems | Oracle Corp. |
| Opus One Winery | PC World Magaine | Pacific Telephone Co. | Pacific Telesis Group |
| Pillsbury Winthrop Shaw, LLP | Pittman, LLP | Plantronics | Post Magazine |
| Postrio Restaurant | Price Waterhouse Co. | Procter & Gamble Co. | Protein Design Labs, Inc. |
| Prudential Financial, Inc. | Quantum Corp. | R.J. Reynolds Tobacco Co. | Range Rover |
| Rapidigm, Inc. | RedSeal Networks | Reply | Revlon |
| Roche Bioscience | Roche Pharmaceuticals | Rockwall | SRI International |
| Safeway, Inc. | Samsung | San Francisco Ballet | San Francisco Merchants |
| San Gregorio | Scios Nova Pharmaceutical | Scribd, Inc. | Sebastian Entertainment |
| Shaklee Corp. | Sharedata Svcs. | Shell Oil | Signetics |
| Silicon Graphics, Inc. | Sprint | Sumitomo Bank | Synaptics |
| Tandem | The Tech Museum of Innovation | Teledyne Microwave | Toshiba Tournesol |
| Trinity School | US Airways Group | University of California, San Francicso | United Airlines, Inc. |
| United States Geological Survey | United States Navy | VMark Software, Inc. | Varian Associates |
| Versatile Card Technology, Inc. | Visigenic Software | The Walgreen Co. | Wells Fargo & Co, |
| Western Independent Bankers | Woodside School Foundation | The World Aquaculture Society | Wyle Laboratories |
| Xerox Corp. | Young Presidents' Org. | The Zenith Insurance Co. | Zitel Corp. |
In 2011 Allegra Entertainment & Events was awarded the Preferred Vendor of San Francisco seal!