| nelson services systems inc | 0.57 | 0.7 | 3675 | 27 | 90 |
| nelson systems springfield il | 1.79 | 0.4 | 4632 | 29 | 62 |
| nelson enterprise technology services | 0.04 | 0.7 | 3262 | 37 | 34 |
| nelson & sons inc | 1.26 | 0.9 | 3408 | 17 | 27 |
| nelson construction services llc | 0.36 | 0.4 | 6408 | 32 | 65 |
| nelson service and repair | 0.57 | 0.6 | 4821 | 25 | 31 |
| nelson & son construction service inc | 0.47 | 0.1 | 4603 | 37 | 78 |
| nelson construction radon systems & service | 1.33 | 0.6 | 4986 | 43 | 56 |
| nelson water treatment systems | 0.84 | 0.5 | 6903 | 30 | 53 |
| english and nelson services | 1.93 | 0.1 | 7849 | 27 | 18 |
| nelson & company llc | 1.99 | 0.4 | 8282 | 20 | 62 |
| ken nelson service department | 1.66 | 0.1 | 1436 | 29 | 18 |
| nelson truck equipment company inc | 0.88 | 0.2 | 269 | 34 | 10 |
| nelson environmental technologies inc | 1.93 | 0.8 | 2330 | 37 | 90 |
| parts and services nelson | 1.09 | 0.2 | 4342 | 25 | 79 |
| nelson s heating and cooling | 1.62 | 0.8 | 6241 | 28 | 34 |
| nelson and sons electric | 0.74 | 0.7 | 8565 | 24 | 68 |
| nelson and company pc | 1.28 | 0.3 | 3794 | 21 | 79 |
| nelson and sons construction | 0.87 | 0.5 | 2764 | 28 | 94 |
| w.s. nelson and company | 0.3 | 0.5 | 6149 | 23 | 79 |
| nelson truck and equipment | 0.9 | 0.5 | 4608 | 26 | 74 |
