| CISG | Canadian Instrumentation Services Group 
| Others |
| CISG | Centro Internazionale Studi Gentiliani
| Others |
| CISG | Computer Information Systems Gaming
| Others |
| CISG | Concussion In Sport Group
| Others |
| CISG | Consumer International Socialist Group
| Others |
| CISG | Contact Impact Study Group
| Others |
| CISG | Contracts for International Sale of Goods
| Others |
| CISG | Contracts for the International
| Others |
| CISG | Contracts for the International Sale of Goods
| Others |
| CISG | Contracts on International Sale of Goods
| Others |
| CISG | Convention on Contracts for the International Sale of Goods
| Others |
| CISG | Convention On International Sale Of Goods
| Others |
| CISG | Corporate Information Systems Group
| Others |
| CISG | Crank Mounted Integrated Starter Generator
| Others |
| CISG | UN Convention on Contracts for the International Sale of Goods
| Others |
| CISG | UN Sales Convention
| Others |