Establishment profile
DIAMOND SHAMROCK REFINING COMPANY, L.P.
301 WEST LEROY, THREE RIVERS, TX, 78071
Operated by Diamond Shamrock Refining Company, LP · 1 of 3 establishments
324110 — Petroleum Refineries
EIN 742691167
Summary
DIAMOND SHAMROCK REFINING COMPANY, L.P. has accumulated 3 OSHA violations across 2 inspections over 1 year of recorded history, with $49,650 in total assessed penalties.
The establishment sits in the 63rd percentile for violations within its industry-state peer group of 230 employers. Inspection frequency runs at the 62nd percentile. The most recent enforcement activity was recorded 1 year ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
DIAMOND SHAMROCK REFINING COMPANY, L.P. appears in OSHA workplace safety record only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls. Single-agency enforcement records typically indicate either a discrete incident-based inspection or a low-risk operational profile.
OSHA workplace safety
50% of inspections at this establishment produced violations,
Most-cited OSHA standards
Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 3 distinct standards shown · 3 citations in this view · $49,650 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 29 CFR 1910.0119 F04 | 1 | 1 | $16,550 | Jul 2025 | Jul 2025 |
| 29 CFR 1910.0119 H02 II | 1 | 1 | $16,550 | Jul 2025 | Jul 2025 |
| 29 CFR 1910.0307 C02 I | 1 | 1 | $16,550 | Jul 2025 | Jul 2025 |
Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.
Peer comparison
Above average violations in NAICS 3241 within TX. Peer group: 230 employers. This establishment has 3 OSHA violations; peer median is 1.
Safety self-report (OSHA 300A)
Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.
Reported for 305 average annual employees at this establishment.
Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
Self-reported events under 29 CFR 1904.39 (24-hour notification of hospitalization, amputation, or loss of an eye) · Mar 2017 – Jan 2025 · 1 in last 5 years
Most frequent event: Fire or explosion, unspecified
Source: OSHA Severe Injury Reports (federal OSHA only; state-plan states like California, Oregon, and Washington maintain their own programs and do not consistently report into this feed).
Severe injury reports — events
Each row is a hospitalization, amputation, or eye-loss event the employer self-reported to OSHA under 29 CFR 1904.39. Narratives are written by the reporting employer.
| Date | Event | Body part | Outcome | |
|---|---|---|---|---|
| Jan 26, 2025 | Flash fire | Multiple body parts n.e.c. | Hospitalized | |
| Mar 3, 2017 | Fire or explosion, unspecified | Face, unspecified | Hospitalized |
Source: OSHA Severe Injury Reports. Federal-OSHA jurisdiction only by default; some state-plan programs report voluntarily.
Activity timeline
Most recent federal enforcement activity recorded 1 year ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for DIAMOND SHAMROCK REFINING COMPANY, L.P.. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-02-18 | Referral | 0 | — | $0 | |
| 2025-01-27 | Referral | 3 | 2 | $49,650 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
DIAMOND SHAMROCK REFINING COMPANY, L.P. is one of 3 establishments rolled up under the parent organization Diamond Shamrock Refining Company, LP.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of Diamond Shamrock Refining Company, LP across all 3 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in petroleum refineries within TX, ordered by federal enforcement volume:
- PASADENA REFINING SYSTEM, INC.PASADENA — 4 federal enforcement records
- PHILLIPS 66 COMPANYOLD OCEAN — 3 federal enforcement records
- DELEK REFINING, LTD.TYLER — 3 federal enforcement records
- PHILLIPS 66 SWEENY REFINERYOLD OCEAN — 3 federal enforcement records
- SHELL DEER PARK REFINING LPDEER PARK — 3 federal enforcement records
- SHELL CHEMICAL LPDEER PARK — 3 federal enforcement records
- HOUSTON REFINING, LPHOUSTON — 3 federal enforcement records
- PHILLIPS 66 COMPANYBORGER — 2 federal enforcement records
- MARATHON GALVESTON BAY REFINERYTEXAS CITY — 2 federal enforcement records
- BP PRODUCTS NORTH AMERICA, INC.TEXAS CITY — 2 federal enforcement records
Other locations under this parent
Other establishments operated by Diamond Shamrock Refining Company, LP, ordered by federal enforcement volume:
- DIAMOND SHAMROCK REFININGSUNRAY, TX — 2 federal enforcement records
- DIAMOND SHAMROCK REFINING COMPANY, L.P.CORPUS CHRISTI, TX — 1 federal enforcement record
Related searches
- All Diamond Shamrock Refining Company, LP locationsParent rollup
- Petroleum RefineriesAll employers in this industry
- Employers in TXState-wide enforcement data
- Petroleum Refineries in TXIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on DIAMOND SHAMROCK REFINING COMPANY, L.P. from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup Diamond Shamrock Refining Company, LP, which operates 3 establishments in our dataset.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
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Contact sales →Frequently asked
- What is DIAMOND SHAMROCK REFINING COMPANY, L.P.'s OSHA violation history?
- DIAMOND SHAMROCK REFINING COMPANY, L.P. has 2 OSHA inspections on record with 3 violations and $49,650 in total penalties.
- How does DIAMOND SHAMROCK REFINING COMPANY, L.P.'s safety record compare to its industry?
- DIAMOND SHAMROCK REFINING COMPANY, L.P. operates in the petroleum refineries industry. The industry average Total Recordable Incident Rate (TRIR) is 0.4. DIAMOND SHAMROCK REFINING COMPANY, L.P.'s self-reported DART rate is 0 compared to an industry average of 0.2.