| 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 Innovations/ Pure Encapulations MA | Manufacturing | 0 | — | A |
| Atrium Living Centers KY | Healthcare & Social Assistance | 0 | — | A |
| 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 TX | Healthcare & Social Assistance | 0 | — | A |
| 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 |
| Atriums Management KS | Healthcare & Social Assistance | 0 | — | A |
| 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 | — |
| ATRO, LLC MO | Manufacturing | 0 | — | F |
| ATRON Group, LLC TX | Manufacturing | 0 | — | A |
| Atrutec LLC NJ | Professional & Technical Services | 2 | $101,100 | — |
| ATRUZ SOLUTIONS LLC CA | Professional & Technical Services | 1 | $100,000 | — |
| ATS Automation Tooling Systems, Inc. IL | Manufacturing | 0 | — | A |
| ATS Automation Tooling Systems, Inc. MI | Manufacturing | 0 | — | A |
| ATS Automation Tooling Systems, Inc. OH | Manufacturing | 0 | — | A |
| ATS Drilling, Inc. TX | Construction | 0 | — | F |
| ATS Industrial TX | Construction | 0 | — | A |
| ATS Logistics, Inc SC | Transportation & Warehousing | 0 | — | D |
| ATS Ohio, Inc. OH | Manufacturing | 1 | $96,000 | — |
| ATS Operating LLC GA | Retail Trade | 0 | — | C |
| ATS Operating LLC LA | Retail Trade | 0 | — | C |
