| SRSCS Real Estate Holdings LLC | Phoenix | AZ | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| SESh Engineering and Manf. | Maricopa | AZ | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| SESilvz Equipment LLC | Tempe | AZ | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SSSouthwestern Scale Company, INC. | Phoenix | AZ | Machinery Manufacturing333997 | — | ◇ UNVERIFIED |
| SISouthwest Industrial Rigging | Black Canyon City | AZ | Machinery Manufacturing333923 | — | ◇ UNVERIFIED |
| SESquickmon's Engineering & Automation, L.L.C. | Phoenix | AZ | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| SMSuntower Machine Co., INC. | Tempe | AZ | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
 The Filter Factory, INC. | Somerton | AZ | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| UMUltimate Metal Manufacturing LLC | Phoenix | AZ | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| UIUniversal Ironworks, INC. | Prescott Valley | AZ | Machinery Manufacturing333992 | — | ◇ UNVERIFIED |
| UTUniversal Tower Parts, LLC | Phoenix | AZ | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| VMVersum Materials Us, LLC | Chandler | AZ | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| WLWalbro LLC | Tucson | AZ | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| WTWater Tec of Tucson, INC. | Tucson | AZ | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| WCWestern Construction Components, INC. | Yuma | AZ | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| WLWestroc LLC | Scottsdale | AZ | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| YLYnnej, LLC | San Tan Valley | AZ | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
