| Abbreviation | Definition |
|---|---|
| JC | Junior Chamber |
| JCB | J. C. Bamford Excavators, LTD. |
| JCB | Japan Credit Bureau |
| JCC | Janus Capital Corporation |
| JCC | Joslyn Clark Controls |
| JCC | Junior Chamber of Commerce |
| JCCI | Jacksonville Community Council Inc |
| JCCI | Jacksonville Community Council Inc. |
| JCCI | Jacksonville Community Council, Inc |
| JCCI | Jansen Cable Construction Inc |
| JCDC | Jefferson County Development Corporation |
| JCDC | Johnson County Development Corporation |
| JCDEC | J. C. Domingo Enterprises Corporation |
| JCEE | Japan Central Europe Engineering |
| JCF | John's Concrete Forming, Inc. |
| JCFC | Japan Casting and Forging Company |
| JCFC | Japan Casting Forging Corporation |
| JCHC | Jewish Community Housing Corporation |
| JCI | Johnson Controls Inc |
| JCI | Johnson Controls International |