| QC Industries Conveyors | Batavia, OH | |||||
| Qingdao Eversun Precision Manufacture Co., Ltd. | China | |||||
| Qioptiq | Fairport, NY | |||||
| Qosina Corp. | Edgewood, NY | |||||
| Qsonica, LLC | Newtown, CT | |||||
| Quabbin Wire & Cable Co., Inc. | Ware, MA | |||||
| Quadrant Engineering Plastic Products | Reading, PA | |||||
| Quail Electronics | Livermore, CA | |||||
| Quality Transmission Components | Garden City Park, NY | |||||
| Quantachrome Instruments | Boynton Beach, FL | |||||
| Quist Electronics | Chanhassen, MN |