Industries › NAICS 491
Postal Service
NAICS subsector 491. OSHA inspections, injury summaries, Wage and Hour cases and OFLC filings for employers classified in the subsector.
Postal Service (NAICS 491) accounts for 2,443 OSHA inspections since 2016, 0.3% of all inspections, with $8.5M in current penalties ($3,498 per inspection; all industries $3,754).
Wage and Hour Division cases concluded in the industry number 1,948, with $19M in back wages agreed to pay. Employers in the industry filed 0 labor condition applications and 0 PERM applications in the fiscal years covered.
9,313 establishments reported 2025 injury summaries: a total recordable case rate of 5.7 per 100 full-time workers, above the 3.5 across all reporting establishments; the median reporting establishment has a rate of 5.1 (quartiles 2.2–8.5).
OSHA inspections and citations
Citations may be contested; the status shown reflects the record at the data date. Enforcement data through 14 Sep 2026.
| Measure | NAICS 491 | All industries |
|---|---|---|
| Citations per inspection | 0.7 | 1.9 |
| Current penalty per inspection | $3,498 | $3,754 |
| Share of all inspections | 0% | 100% |
Most-cited standards
| Standard | Subject | Citations |
|---|---|---|
| 1910.303 | Electrical, general requirements | 148 |
| 1910.178 | Powered industrial trucks | 146 |
| 1910.37 | Maintenance, safeguards and operational features for exit routes | 125 |
| 1910.1200 | Hazard communication | 106 |
| 1910.305 | Electrical, wiring methods, components and equipment | 105 |
| 1910.22 | Walking-working surfaces, general requirements | 102 |
| 1910.1001 | Asbestos | 94 |
| 1910.141 | Sanitation | 67 |
| 1910.157 | Portable fire extinguishers | 66 |
| 1910.147 | The control of hazardous energy (lockout/tagout) | 50 |
Employers with the most inspections
| Employer | City | Inspections |
|---|---|---|
| US Postal Service | Portland | 137 |
| US Postal Service | Houston | 116 |
| US Postal Service | Miami | 108 |
| US Postal Service | Philadelphia | 86 |
| US Postal Service | Denver | 78 |
| US Postal Service | Saint Louis | 77 |
| US Postal Service | Charlotte | 75 |
| US Postal Service | Birmingham | 68 |
| US Postal Service | Indianapolis | 68 |
| US Postal Service | Seattle | 67 |
| US Postal Service | Cleveland | 66 |
| US Postal Service | Los Angeles | 61 |
| US Postal Service | New York | 60 |
| US Postal Service | Trenton | 59 |
| US Postal Service | Columbia | 53 |
| US Postal Service | Des Moines | 50 |
| US Postal Service | Wichita | 46 |
| US Postal Service | Boston | 45 |
| US Postal Service | Atlanta | 43 |
| US Postal Service | Baltimore | 43 |
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Injuries Form 300A summaries
Establishments submit their own Form 300A summaries; OSHA publishes the data as submitted and does not verify it. Rates are per 100 full-time workers.
Injury-rate distribution, 2025
Total recordable case rates across 8,060 establishments with at least 20,000 hours worked; the pooled rate uses all 9,313 reporting establishments' hours and cases.
| Year | Establishments | Employees | Recordable cases | TRC rate | DART rate | Median establishment |
|---|---|---|---|---|---|---|
| 2023 | 9,267 | 522,936 | 32,904 | 6.8 | 5.6 | 6.1 |
| 2024 | 9,226 | 517,841 | 31,804 | 6.4 | 5.6 | 5.8 |
| 2025 | 9,313 | 563,494 | 28,235 | 5.7 | 4.8 | 5.1 |
Labor Wage and Hour Division
Concluded compliance actions since fiscal year 2005; amounts are back wages the employer agreed to pay, as recorded at case conclusion. Data through 15 Jun 2026.
Acts
| Act | Violations | Back wages |
|---|---|---|
| Service Contract Act | 12,362 | $15M |
| Fair Labor Standards Act | 23,503 | $3.9M |
| Family and Medical Leave Act | 1,064 | $366K |
| Davis-Bacon and Related Acts | 10 | $29K |
| Contract Work Hours and Safety Standards Act | 100 | $0 |
| FLSA child labor provisions | 6 | $0 |
| Employee Polygraph Protection Act | 2 | $0 |
Employers with the largest back wages
| Employer | City | Back wages |
|---|---|---|
| US Postal Service | New York | $2,659,227 |
| US Postal Service | Los Angeles | $442,113 |
| Goodsprings Enterprises | Las Vegas | $284,501 |
| Fames Transport, Inc. | Escondido | $202,390 |
| US Postal Service | Atlanta | $75,769 |
| Mcrae's US Mail Service | West Allis | $67,702 |
| US Postal Service | Houston | $45,966 |
| US Postal Service | Trenton | $44,780 |
| Diamond T Mail Service | Roswell | $39,190 |
| US Postal Service | Charlotte | $31,942 |
| US Postal Service | Philadelphia | $30,741 |
| US Postal Service | Cleveland | $30,044 |
| US Postal Service | Saint Louis | $29,941 |
| United States Postal Service (USPS) | Portland | $27,664 |
| US Postal Service | Seattle | $26,381 |
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Immigration OFLC labor condition applications and PERM
Employer-specific case information was provided to OFLC by employers who submitted foreign labor certification applications. These are not employer responses to the Bureau of Labor Statistics' survey. Data through 30 Jun 2026.
H-1B applications by fiscal year
PERM applications by fiscal year
Employers with the most H-1B applications
No employers to list.
The list names employers that have a page on this site (organisations above the size floor); the totals above count every record in the files.
Questions and answers
Which employers in Postal Service have the most OSHA inspections?
US Postal Service (137), US Postal Service (116), US Postal Service (108)
What is the injury rate in Postal Service?
Establishments reporting for 2025 had a pooled total recordable case rate of 5.7 per 100 full-time workers; the median reporting establishment's rate is 5.1 with quartiles 2.2 to 8.5.
How many H-1B applications come from Postal Service?
0 labor condition applications in fiscal years 2025–2026 and 0 PERM applications.
How much in back wages did the Wage and Hour Division find due in Postal Service?
$19,458,605 agreed to pay across 1,948 concluded cases since fiscal year 2005.
Industry is the NAICS code on each record (the most common code where an employer's sources differ), grouped at the three-digit subsector. Sources: DOL enforcement data, OSHA ITA, OFLC disclosure data; see data sources and methodology.