| Atrium Centers Inc. WI | Healthcare & Social Assistance | 0 | - | D |
| Atrium Health NC | Healthcare & Social Assistance | 0 | - | F |
| Atrium Health Floyd Medical Center GA | Healthcare & Social Assistance | 0 | - | A |
| Atrium Health Wake Forest Baptist NC | Healthcare & Social Assistance | 0 | - | D |
| Atrium Hopitality OK | - | 0 | - | - |
| Atrium Hospitality AZ | - | 0 | - | - |
| Atrium Hospitality IL | - | 0 | - | - |
| Atrium Hospitality MI | - | 0 | - | - |
| Atrium Hospitality OK | - | 0 | - | - |
| Atrium Hospitality SC | - | 0 | - | - |
| Atrium Hospitality WI | - | 0 | - | - |
| Atrium Hospitality (Holiday Inn & Suites) OH | - | 0 | - | - |
| Atrium Hospitality (Marriott) OH | - | 0 | - | - |
| Atrium Hospitality - Charlotte Hilton AirportCOVID19 NC | - | 0 | - | - |
| Atrium Hospitality - Embassy Suites NE | - | 0 | - | - |
| Atrium Hospitality - Embassy Suites by Hilton GreensboroCOVID19 NC | - | 0 | - | - |
| Atrium Hospitality - Embassy Suites by Hilton Raleigh Durham COVID19 NC | - | 0 | - | - |
| Atrium Hospitality - Jefferson City Capitol Plaza MO | - | 0 | - | - |
| Atrium Hospitality - Kansas City Embassy Suites MO | - | 0 | - | - |
| Atrium Hospitality - Portland Embassy S OR | - | 0 | - | - |
| Atrium Hospitality - Springfield University Plaza MO | - | 0 | - | - |
| Atrium Hospitality - St. Charles Embassy Suites MO | - | 0 | - | - |
| Atrium Hospitality dba Embassy Suites Franklin TN | - | 0 | - | - |
| Atrium Hospitality dba Embassy Suites Murfreesboro TN | - | 0 | - | - |
| Atrium Hospitality dba Long Beach Hilton CA | - | 0 | - | - |
| Atrium Hospitality dba Monterey Embassy Suites CA | - | 0 | - | - |
| Atrium Hospitality dba Sacramento Holiday Inn CA | - | 0 | - | - |
| Atrium Hospitality dba Stamford Hilton* CT | - | 0 | - | - |
| Atrium Hospitality Embassy Suites Hampton VA | - | 0 | - | - |
| Atrium Hospitality LP/Denver Crowne Plaza CO | - | 0 | - | - |
| Atrium Hospitality- Concord Embassy Suites COVID19 NC | - | 0 | - | - |
| Atrium Hospitality-Holiday Inn Bowling Green KY | - | 0 | - | - |
| Atrium Hospitality: Chateau on the Lake Resort Spa & Convention Center MO | - | 0 | - | - |
| Atrium Living Centers MI | Healthcare & Social Assistance | 0 | - | F |
| Atrium Living Centers OH | Healthcare & Social Assistance | 0 | - | F |
| Atrium Living Centers WI | Healthcare & Social Assistance | 0 | - | F |
| Atrium LTS CA | - | 0 | - | - |
| Atrium Medical Center / Premier Health OH | Healthcare & Social Assistance | 0 | - | D |
| Atrium Medical Corporation NH | Manufacturing | 1 | $99,440 | - |
| Atrium Patio Doors by Woodgrain Millwork TX | - | 0 | - | - |
| Atrium Windows & Door NC | Manufacturing | 0 | - | F |
| Atrium Windows and Doors TX | Manufacturing | 0 | - | C |
| Atrius Health MA | - | 0 | - | - |
| Atrix Networx LLC WY | Professional & Technical Services | 1 | $106,127 | - |
| Atrix Technologies LLC NM | Professional & Technical Services | 2 | $106,004 | - |
| Atrixsoft LLC WY | Professional & Technical Services | 111 | $106,197 | - |
| Atrutec LLC NJ | Professional & Technical Services | 2 | $101,100 | - |
| Atruz Solutions LLC CA | Professional & Technical Services | 1 | $100,000 | - |
| ATS Drilling, Inc. TX | Construction | 0 | - | F |
| ATS Logistics, Inc SC | Transportation & Warehousing | 0 | - | D |