| Company | Category | Area | Address | Web | E-mail | Contact person |
| GCISD TAX OFFICE | City Government-Finance & Taxa | Texas | 3072 MUSTANG DR, GRAPEVINE, Tarrant, Texas, 76051-5901, USA |
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Colette Franklin |
| GCIST ENTERPRISES | Telecommunications | Mississippi | 7617 LEXINGTON DR, BILOXI, Harrison, Mississippi, 39532-2825, USA |
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Maurice Kennedy |
| GCIU | Labor Organizations | Maryland | 8957 EDMONSTON RD STE D, GREENBELT, Prince Georges, Maryland, 20770-4052, USA |
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Gerald Weikel |
| GCIU | Labor Organizations | Nevada | 1525 NEWLANDS DR E STE D, FERNLEY, Lyon, Nevada, 89408-8911, USA |
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Marty Keegan |
| GCIU | Labor Organizations | Indiana | PO BOX 561, GREENSBURG, Decatur, Indiana, 47240-0561, USA |
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CHRIS HANCOCK |
| GCIU EMPLOYER RETIREMENT | Public Relations Sv | California | 13191 CROSSROADS PKWY N STE 20, CITY INDUSTRY, Los Angeles, California, 91746-3421, USA |
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MATTHEW J WENNER |
| GCIU EMPLOYER RETIREMENT FUND | Taft Hartley Retirement Trust | California | 13191 CROSSROADS PKWY N # 20, CITY INDUSTRY, Los Angeles, California, 91746-3421, USA |
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Mathew Wenner |
| GCIU LOCAL 334C | Labor Organizations | Ohio | 179 HOLBROOK AVE, ASHLAND, Ashland, Ohio, 44805-2546, USA |
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| GCIU LOCAL 50 | Labor Organizations | Michigan | 3007 CHAPSHIRE DR SE, GRAND RAPIDS, Kent, Michigan, 49546-7148, USA |
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| GCIU LOCAL 527M | Labor Organization | Arkansas | PO BOX 2481, JONESBORO, Craighead, Arkansas, 72402-2481, USA |
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Joe Trinidad |
