| american metal filter company | 1.82 | 0.3 | 196 | 29 | 79 |
| american metal filter company chula vista | 1.61 | 0.2 | 6234 | 41 | 50 |
| american metal filter company c-755 | 1.51 | 1 | 2320 | 35 | 24 |
| the american filter company | 0.54 | 0.9 | 4486 | 27 | 93 |
| american filter company water filter | 0.23 | 0.7 | 8374 | 36 | 81 |
| american air filter company | 1.41 | 0.4 | 1908 | 27 | 39 |
| north american filter company | 1.5 | 0.7 | 9493 | 29 | 90 |
| american filter company phoenix | 0.98 | 0.3 | 9936 | 31 | 81 |
| american filter company recycle | 1.99 | 0.5 | 3546 | 31 | 94 |
| american air filter manufacturing | 0.65 | 0.6 | 4489 | 33 | 39 |
| north american filter corp | 1.76 | 0.5 | 6206 | 26 | 50 |
| american filter and equipment | 0.98 | 0.6 | 606 | 29 | 22 |
| american air filter co | 1.36 | 0.4 | 2302 | 22 | 15 |
| north american filter corporation | 1.15 | 0.5 | 9314 | 33 | 2 |
| american water filter company | 0.62 | 0.4 | 53 | 29 | 33 |
| porous metal filter companies in usa | 0.14 | 0.4 | 4101 | 36 | 99 |
| american air filtration company | 1.19 | 0.3 | 5606 | 31 | 38 |
| american air filter products | 1.43 | 0.5 | 2068 | 28 | 34 |
| american air filter usa | 0.32 | 0.6 | 5091 | 23 | 48 |
| filters american air filters | 0.4 | 0.1 | 6686 | 28 | 73 |
| american air filters distributors | 0.64 | 0.6 | 4653 | 33 | 30 |
| united states filter corporation | 0.15 | 0.5 | 903 | 32 | 46 |
