Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing · California
Diamond Mattress Company Inc.
Rancho Domiguez, CA · ~168 workers · 3 years of OSHA Injury Tracking Application data.
- C
- Average Safety Record
- 3.4
- Avg TCR
- 3.3
- Industry avg
- 0
- Fatalities
The verdict
Diamond Mattress Company Inc. runs at 104% of its industry's injury rate - about level with the typical Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing workplace, earning a grade C.
Diamond Mattress Company Inc.: 3.4 TCR = 104% of Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing BLS 3.3 · 3y Form 300A (see methodology below)
Diamond Mattress Company Inc. safety composite
Diamond Mattress Company Inc. scores strongest on dart rate (safer than 58% of same-industry peers) and weakest on fatalities (safer than 51%), 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).
55/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- C 3.43 per 100 workers
Safer than 56% of industry peers
- DART rate
- C 1.59 per 100 workers
Safer than 58% 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
Diamond Mattress Company Inc.: 2.2 → 5.3 TCR
Peak year 2021 @ 5.3 TCR · DART/TCR 0.46× in 2021
Diamond Mattress Company Inc.'s TCR rose 3.1 from 2.2 in 2018 to 5.3 in 2021. In 2021, DART was 0.46× this establishment's average TCR (severity share of cases).
OSHA ITA Form 300A scorecard
Establishment book 337910 · Rancho Domiguez, CA ABOVE-IND · MID
Grade C · TCR 3.4 · 104% of ind
- DART 1.6 DART
- RANK #2/9
- PHOTO Simmons Puerto Rico
- BOOK 3y book
- INJ 19 inj
- SIZE ~168 FTE
Nearest TCR peer: Simmons Puerto Rico (0.0 TCR gap)
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Diamond Mattress Company Inc. in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- Southerland In
Southerland Inc. Oregon
3.5 TCR
- This site
Diamond Mattress Company Inc.
3.4 TCR
- Simmons Puerto
Simmons Puerto Rico
3.4 TCR
- The Standard M
The Standard Mattress Company
3.4 TCR
- Serta Dormae P
Serta Dormae Products Lockhart
3.4 TCR
What this shows Diamond Mattress Company Inc. averages 3.4 TCR (104% of the Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing BLS benchmark).
Diamond Mattress Company Inc. TCR series: 2018=2.2 · 2019=2.8 · 2021=5.3 · BLS 3.3
Where Diamond Mattress Company Inc. falls in its industry
160 Mattresses (i.e., box spring, establishmentsSafer than 56% of graded establishments in this industry, whose median TCR is 3.8.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #2 safest of 9 Mattresses (i.e., box spring, employers in California.
Diamond Mattress Company Inc. has more employees than the Mattresses (i.e., box spring, innersprin median and a lower injury rate than the industry's median TCR of 3.8. 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 |
|---|---|---|---|---|---|
| 2021 | 5.3 | 1.6 | 10 | 0 | 0 |
| 2019 | 2.8 | 2.8 | 5 | 0 | 0 |
| 2018 | 2.2 | 2.2 | 4 | 0 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
337910 · CA · Rancho Domiguez
160 Mattresses (i.e., box spring, innerspring, noninnerspring) manufacturing employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 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 | Simmons Puerto Rico | 3.4 TCR |
| NAICS-TCR | The Standard Mattress Company | 3.4 TCR |
| NAICS-TCR | Serta Dormae Products Lockhart | 3.4 TCR |
| NAICS-TCR | Southerland Inc. Oregon | 3.5 TCR |
| STATE-SIZE | Mininger Farms | 168 FTE |
| STATE-SIZE | Bud of California Lettuce | 168 FTE |
| STATE-SIZE | California Sun Grower Services/Equipment Services & Lucero Farms - Los Banos | 168 FTE |
| STATE-SIZE | CCH | 168 FTE |
| NAT-TCR | Administracion de familias y Ninos | 3.4 TCR |
| NAT-TCR | Rockford Corporation | 3.4 TCR |
| NAT-TCR | Prince Service & Mfg, Inc. | 3.4 TCR |
| NAT-TCR | Schenck Process LLC - Whitewater | 3.4 TCR |
| NAT-SIZE | Tpc Wire and Cable Corp | 168 FTE |
| NAT-SIZE | Temperature Equipment Corporation | 168 FTE |
| NAT-SIZE | Franklin General Hospital | 168 FTE |
| NAT-SIZE | Performance Denver - 1024 | 168 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.