Zoos · Illinois
Chicago Zoological Society
Brookfield, IL · ~693 workers · 9 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 7.8
- Avg TCR
- 3.1
- Industry avg
- 0
- Fatalities
The verdict
Chicago Zoological Society runs at 250% of its industry's injury rate - far more dangerous than the typical Zoos workplace, earning a grade F.
Chicago Zoological Society: 7.8 TCR = 250% of Zoos BLS 3.1 · 9y Form 300A (see methodology below)
Chicago Zoological Society safety composite
Chicago Zoological Society scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 37%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).
41/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 7.76 per 100 workers
Safer than 37% of industry peers
- DART rate
- D 4.6 per 100 workers
Safer than 37% of industry peers
- Fatalities
- D 0
Safer than 51% of industry peers
Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).
Rising injury rate
Chicago Zoological Society: 4.2 → 7.0 TCR
Peak year 2020 @ 14.8 TCR · DART/TCR 0.59× in 2024
Chicago Zoological Society's TCR rose 2.8 from 4.2 in 2016 to 7.0 in 2024. Peak filing year was 2020 at 14.8 TCR. In 2024, DART was 0.59× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 712130 · Brookfield, IL ABOVE-IND · MID
Grade F · TCR 7.8 · 250% of ind
- DART 4.6 DART
- RANK #5/6
- PHOTO Indianapolis Zoo
- BOOK 9y book
- INJ 267 inj
- SIZE ~693 FTE
Nearest TCR peer: Indianapolis Zoo (0.0 TCR gap)
Read with this employer → · Industry book → · Illinois employers → · Look up another →
Chicago Zoological Society in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Chicago Zoological Society
7.8 TCR
- Indianapolis Z
Indianapolis Zoo
7.8 TCR
- Zoological Soc
Zoological Society of Philadelphia
7.8 TCR
- Omaha Zoologic
Omaha Zoological Society
7.7 TCR
- Sea Life Park
Sea Life Park Hawaii
7.7 TCR
What this shows Chicago Zoological Society averages 7.8 TCR (250% of the Zoos BLS benchmark).
Chicago Zoological Society TCR series: 2016=4.2 · 2017=5.6 · 2018=3.9 · 2019=7 · 2020=14.8 · 2021=8 · 2022=10.8 · 2023=8.6 · 2024=7 · BLS 3.1
Where Chicago Zoological Society falls in its industry
174 Zoos establishmentsSafer than 37% of graded establishments in this industry, whose median TCR is 6.8.
Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #5 safest of 6 Zoos employers in Illinois.
Chicago Zoological Society has more employees than the Zoos median and a higher injury rate than the industry's median TCR of 6.8. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.
Year-by-Year Safety Data
| Year | TCR | DART | Injuries | Illnesses | Fatalities |
|---|---|---|---|---|---|
| 2024 | 7.0 | 4.6 | 28 | 1 | 0 |
| 2023 | 8.6 | 6.8 | 33 | 0 | 0 |
| 2022 | 10.8 | 9.1 | 38 | 1 | 0 |
| 2021 | 8.0 | 6.2 | 20 | 7 | 0 |
| 2020 | 14.8 | 11.4 | 24 | 24 | 0 |
| 2019 | 7.0 | 4.3 | 40 | 1 | 0 |
| 2018 | 3.9 | 2.9 | 22 | 1 | 0 |
| 2017 | 5.6 | 4.1 | 35 | 1 | 0 |
| 2016 | 4.2 | 3.1 | 27 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
712130 · IL · Brookfield
174 Zoos employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 16 employers in Brookfield, IL · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.
| Rel | Establishment | Metric |
|---|---|---|
| NAICS-TCR | Indianapolis Zoo | 7.8 TCR |
| NAICS-TCR | Zoological Society of Philadelphia | 7.8 TCR |
| NAICS-TCR | Omaha Zoological Society | 7.7 TCR |
| NAICS-TCR | Sea Life Park Hawaii | 7.7 TCR |
| STATE-SIZE | ILARL327 ASCENSION ST JOSEPH ELGIN | 693 FTE |
| STATE-SIZE | 26170 HILTON CHICAGO IL | 693 FTE |
| STATE-SIZE | Magid Glove and Safety | 692 FTE |
| STATE-SIZE | Hydro-Gear, Sullivan | 692 FTE |
| CITY-NEAR | 3846-SEG1-3846 | 337 FTE |
| CITY-NEAR | 4000-SEG1-4000 | 335 FTE |
| CITY-NEAR | Cantata Adult Life Services | 220 FTE |
| CITY-NEAR | Brookfield | 96 FTE |
| NAT-TCR | Unitex Linden | 7.8 TCR |
| NAT-TCR | Mondelez Manassas | 7.8 TCR |
| NAT-TCR | E & L Development, Inc. | 7.8 TCR |
| NAT-TCR | Methodist Home of the South Georgia Conference Inc - Macon Campus | 7.8 TCR |
| NAT-SIZE | Desert Plastering, LLC | 693 FTE |
| NAT-SIZE | Police Main Station | 693 FTE |
| NAT-SIZE | Living Branches | 693 FTE |
| NAT-SIZE | Tanana Chiefs Conference - All Other | 693 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.