Gayle's Customers
- 84 Lumber Company - 84, PA
- Alcatel-Lucent - Richardson TX - Nogales Mexico
- Avaya - Dallas TX - Omaha NE
- American Airlines - Zurich Switzerland
- Anderson Floors - Atlanta GA
- AT&T - Mesquite, TX
- Bank of America - Zurich, Geneva Switzerland
- BankTrust - San Juan Puerto Rico
- BBVA Compass Bank - Dallas, TX
- Blockbuster - Dallas TX
- Caterpillar Overseas S.A. - Geneva Switzerland
- Chase Bank - Houston, Dallas TX
- Citicorp Bank - Zurich Switzerland
- Coram Health Care - Malvern, PA
- Curtis Wright - Charlotte, NC
- Dallas Morning News - Dallas TX
- Deloitte & Touche - Zurich Switzerland
- Deutsche Bank - Frankfurt Germany
- Dow Chemical Europe - Horgen Switzerland
- Dun & Bradstreet AG - Zurich Switzerland
- Ericsson Inc. - Richardson TX, Lynchburg VA
- Entrepreneurs' Organization (EO)
- Federal Home Loan Bank - Irving TX
- First Industrial Realty Trust - Dallas TX
- Frito-Lay / PepsiCo - Frisco TX
- Frost & Sullivan - San Antonio, TX
- Fujitsu Inc. - Richardson TX
- Grant Thornton - Dallas TX
- HD Vest Financial Services - Irving TX
- Hewlett Packard - Richardson TX, Meyrin Switzerland
- Hilton International - Geneva Switzerland, Valetta Malta, Dallas TX
- HP Enterprise- Plano TX
- Huawei - Plano, TX, Toronto Ontario
- IBM - Frankfurt, Stuttgart Germany
- IFF - International Flavors & Fragrances - Geneva Switzerland, Paris France
- International Cooperative Alliance - Geneva Switzerland
- International Herald Tribune - Zurich Switzerland, Paris France
- JCPenney Headquarters - Plano TX
- Malta Institute Of Management - Valletta Malta
- Mary Kay Inc. - Dallas TX
- MCI - Geneva Switzerland, New York NY
- Merrill Lynch - Zurich Switzerland
- Mission Foods Inc. - Irving TX
- Morgan Stanley Smith Barney - Dallas, TX
- Motorola International - Surrey England
- Nissan Motor - Irving TX
- Northrup Grumman - Dallas TX
- PepsiCo - Dallas TX
- Price Waterhouse Cooper - USA, Canada
- Radi Medical - Boston, MA
- Roche Pharmaceuticals - Basel Switzerland
- Sanyo - Geneva, Switzerland
- Shell Oil - Houston, TX
- Sheraton Hotels International - Cairo Egypt
- Siemens - Irving TX
- Southwest Airlines - Dallas TX
- STP Nuclear - Houston TX
- Syngenta AG - Minneapolis MN, Greensboro NC, Kauai HI
- Tellabs - Plano, TX
- Texas Instruments - Dallas TX
- UBS - Zurich Switzerland
- University Of Puerto Rico - Mayaguez Puerto Rico
- US Army - Fort Monmouth NJ
- US Environmental Protection Agency (EPA) - Washington DC
- Verizon Communication - Irving TX
- World Health Organization - Geneva Switzerland
- Xerox Capital Services - Lewisville TX
- Young Presidents' Organization (YPO)
- World Presidents' Organization (WPO) - USA, Italy, Spain, Germany, France, Switzerland, Turkey, Australia, Philippines, Singapore, United Arab Emirates, Nova Scotia, Latin America, Puerto Rico, Morroco