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Establishment profile

HYDRAULICS INTERNATIONAL, INC.

20961 KNAPP ST., CHATSWORTH, CA, 91311
332710 — Machine Shops

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OSHA inspections
9
over 34 years
Violations
56
$31,825 in penalties
Penalties
$31,825
$568 avg
Accident investigations on record
2 hospitalizations

Summary

HYDRAULICS INTERNATIONAL, INC. has accumulated 56 OSHA violations across 9 inspections over 34 years of recorded history, with $31,825 in total assessed penalties.

The establishment sits in the 100th percentile for violations within its industry-state peer group of 389 employers. Inspection frequency runs at the 100th percentile. The most recent enforcement activity was recorded 6 years ago.

Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.

Agency coverage

HYDRAULICS INTERNATIONAL, INC. appears in OSHA workplace safety, OFLC visa and labor certification (historical), and FMCSA motor carrier registration records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, NLRB labor relations, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.

OSHA workplace safety

Inspections
9
0.3 / yr · last 34 yrs
Violations
56
1.6 / yr
Penalties
$31,825
$568 avg / violation
5% serious95% other
Inspection trigger · complaint
7 of 9
Inspection trigger · accident
2 of 9

89% of inspections at this establishment produced violations, with 3 inspections producing serious-or-greater 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. 20 distinct standards shown · 26 citations in this view · $27,410 in penalties.

CFR sectionCitationsInspectionsTotal penaltyFirst citedLast cited
5194 H0133$870Sep 1991Jan 2006
5194 F0422$310Sep 1991Oct 1995
5194 E0122$300Sep 1991Jul 1994
5144 C22$270Sep 1991Oct 1995
5144 F0122$260Sep 1991Jul 1994
3328 C11$10,125Feb 2010Feb 2010
3384(B)11$5,060Apr 2020Apr 2020
342 A11$5,000Feb 2010Feb 2010
5451 P11$810Oct 1995Oct 1995
4184 A11$750Apr 2004Apr 2004
3328 G11$750Mar 2004Mar 2004
5150 B0111$420Jan 2006Jan 2006
4845 B11$375May 2003May 2003
4070 A11$325Oct 1995Oct 1995
6151 E0211$325Oct 1995Oct 1995
3203 B11$300May 2003May 2003
29 CFR 1430.0040 A11$300May 2003May 2003
461 A11$300Jul 1994Jul 1994
29 CFR 2340.0016 B0111$280Feb 2010Feb 2010
5144 C0111$280Jan 2006Jan 2006

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

100th

Worse on violations than nearly every other employer in NAICS 3327 within CA. Peer group: 389 employers. This establishment has 56 OSHA violations; peer median is 4.

Fewer violationsMore violations
Penalty percentile
97th
peer median: $2,250
Inspection frequency
100th
peer median: 1

Safety self-report (OSHA 300A)

No self-reported injury rates filed with OSHA's Injury Tracking Application for HYDRAULICS INTERNATIONAL, INC.. Verify directly with OSHA Injury Tracking Application →

Industry benchmark

Industry avg TRIR
2.7
BLS SOII 2024
Industry avg DART
1.5
BLS SOII 2024
Self-reported TRIR
—
Not in OSHA ITA

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
7
Accident
2

Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.

OSHA severe injury reports

No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for HYDRAULICS INTERNATIONAL, INC.. Verify directly with Occupational Safety and Health Administration →

OSHA accident events

Accidents, fatalities, and catastrophes documented during OSHA inspections at this employer. Each entry links to the inspection that recorded it.

DateEventInjuriesHospitalizedFatalities
Feb 4, 2020Amputated,Amputation,Caught By,Finger,Glove,Lathe,Metal Pipe,Pipe,Pulled In11—
Aug 10, 2009LATHE,CONTROL LEVER,LOCKING PINS,MACHINE OPERATOR,THUMB,CAUGHT BETWEEN,LACERATION11—

Source: OSHA accident investigations. Narratives are recorded by the inspecting officer and may be truncated.

Activity timeline

Data refreshed
Weekly
First OSHA inspection
—
Most recent activity
6 years ago

No federal enforcement activity has been recorded against this establishment in 6+ years. Most recent activity: 6 years ago. Data on this page is refreshed weekly.

Wage & Hour Division (WHD)

No WHD wage, overtime, or child-labor enforcement cases on file for HYDRAULICS INTERNATIONAL, INC.. Verify directly with Wage and Hour Division →

Mine safety (MSHA)

No MSHA mine safety violations on file for HYDRAULICS INTERNATIONAL, INC.. Verify directly with Mine Safety and Health Administration →

Labor relations (NLRB)

No NLRB unfair labor practice charges or union representation cases on file for HYDRAULICS INTERNATIONAL, INC.. Verify directly with National Labor Relations Board →

Visa & labor certification (OFLC) — historical

Total applications
1
Certified
1
Avg wage ratio
1.00x
H-1B

Office of Foreign Labor Certification — labor condition applications for H-1B, H-2A, H-2B visa programs. Wage ratio = offered / prevailing wage. Historical data only: DOL ended OFLC Performance Data Disclosure publication in 2026, so the figures above reflect filings through the last ingested cycle and are not being refreshed. Treat as a historical snapshot, not a current signal.

Environmental compliance (EPA)

No EPA inspections or formal enforcement actions on file for HYDRAULICS INTERNATIONAL, INC.. Verify directly with Environmental Protection Agency →

EPA-registered facilities

Every EPA ECHO facility associated with this employer, sorted most-significant first. Each row links to EPA’s Detailed Facility Report for the source-of-truth record. Permits column lists active programs (Air = Clean Air Act, Water = Clean Water Act, RCRA = hazardous waste, TRI = Toxics Release Inventory reporting). 3 facilities.

FacilityPermitsStatusInspectionsFormal actionsPenaltiesLast inspectedECHO
HYDRAULICS INTERNATIONAL INC
9000 MASON AVE · CHATSWORTH, CA, 91311
RCRANo Violation Identified00——View →
HYDRAULICS INTERNATIONAL INC
9201 INDEPENDENCE AVE · CHATSWORTH, CA, 91311
RCRANo Violation Identified00——View →
HYDRAULICS INTERNATIONAL INC
20961 W KNAPP ST · CHATSWORTH, CA, 91311
RCRANo Violation Identified00——View →

Source: EPA ECHO (Enforcement and Compliance History Online). Compliance status follows EPA’s own labels (“Sig Violation” = significant noncompliance; QNCR = quarters of noncompliance over the recent reporting window). Inactive facilities (struck through) retain historical enforcement records even after operations ceased.

Motor carrier safety (FMCSA)

DOT number
2731512
Operation
C

Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

Federal criminal prosecution record

No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for HYDRAULICS INTERNATIONAL, INC.. Verify directly with UVA Corporate Prosecution Registry →

Federal contracts

This location

Obligated (5-yr)
$162.4M
Obligated (all-time)
$798.7M
Awards
17,582
Top agency
Department of Defense
$798.4M
Company-wide — HYDRAULICS INTERNATIONAL, INC. (across 2 entities)
Obligated (5-yr)
$162.4M
Obligated (all-time)
$798.7M
Awards (all-time)
17,583

Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.

Top agencies by obligation (this location)
Department of Defense$798.4M
National Aeronautics and Space Administration$160K
Department of Homeland Security$39K
Department of Health and Human Services$24K
Department of Commerce$15K
Largest awards (top 50 of 17,582)
  • Department of Defense
    CONSOLIDATED HYDRAULIC TEST STANDS (CHTS) FOR SE V
    contract · Last action 2023-05-11
    $20,692,266
  • Department of Defense
    OTHER AIRCRAFT PART AND AUXILIARY EQUIPMENT MANUFACTURING
    contract · Last action 2017-09-27
    $20,202,191
  • Department of Defense
    MHU-83 D/E AERIAL STORES LIFT TRUCK
    contract · Last action 2012-11-29
    $9,855,860
  • Department of Defense
    THIS EFFORT IS FOR THE PURCHASE OF (94) TEST STANDS.
    contract · Last action 2016-09-27
    $9,690,213
  • Department of Defense
    HYDRAULIC TEST STANDS
    contract · Last action 2014-12-01
    $9,636,024
  • Department of Defense
    UNIVERSAL HYDRAULIC TEST STANDS
    contract · Last action 2019-09-16
    $8,199,102
  • Department of Defense
    CV/MV-DIESEL HYDRAULIC TEST STAND CV/MV-DIESEL HYDRAULIC TEST STAND DRAWINGS OPTION FOR CV/MV-ELECTRIC HYDRAULIC TEST STAND DRAWNGS
    contract · Last action 2016-10-03
    $8,070,117
  • Department of Defense
    PRODUCTION UNIT
    contract · Last action 2011-03-15
    $8,067,244
  • Department of Defense
    PORTABLE HYD, POWERS SUPPLY DIESEL
    contract · Last action 2022-02-07
    $8,002,881
  • Department of Defense
    HIGH PURITY SELF GENERATING NITROGEN SERVICE CART
    contract · Last action 2021-08-09
    $7,671,114
  • Department of Defense
    HIGH PURITY - SELF GENERATING NITROGEN SERVICE CART
    contract · Last action 2018-08-14
    $7,656,120
  • Department of Defense
    MHU-83D/E PRODUCTION UNITS YEAR FOUR
    contract · Last action 2023-05-30
    $7,604,082
  • Department of Defense
    MJ-1C AERIAL STORES LIFT TRUCK
    contract · Last action 2019-07-30
    $7,519,015
  • Department of Defense
    MHU-83 D/E AERIAL STORES LIFT TRUCK
    contract · Last action 2019-08-05
    $7,439,608
  • Department of Defense
    HYDRAULIC POWER SUPPLY
    contract · Last action 2011-08-29
    $7,424,511
  • Department of Defense
    ELECTRIC AND DIESEL HYDRAULIC CARTS - MV-22 & CV-22
    contract · Last action 2009-11-20
    $7,256,292
  • Department of Defense
    MHU-83D/E PRODUCTION UNITS YEAR THREE
    contract · Last action 2021-01-28
    $7,203,568
  • Department of Defense
    200612!526055!1700!N68335!NAVAL AIR ENGINEERING STATION !N6833506C0433 !A!N! !N! ! !20060914!20070210!040370249!040370249!040370249!N!HYDRAULICS INTERNATIONAL INC !9201 INDEPENDENCE AVE !CHATSWORTH !CA!91311!12748!037!06!CHATSWORTH !LOS ANGELES !CALIFORNIA!+000000167991!N!N!000000167991!4920!ACFT MAINT & REPAIR SHOP SPECILIZED EQUIP !A1C!OTHER AIRCRAFT EQUIPMENT !000 !NOT DISCERNABLE !333913!A!B!3!B!S! ! !D!20091002!B! ! !A! !A!U!J!2!003!K! !Z!N!A! ! !Y!B!Y!N! ! !Z! !B!A!000!A!B!N! ! ! ! !1719!N68335!0001! !
    contract · Last action 2011-01-04
    $6,657,567
  • Department of Defense
    HIGH PURITY NITROGEN SERVICING CART
    contract · Last action 2021-12-01
    $6,487,390
  • Department of Defense
    OTHER AIRCRAFT PART AND AUXILIARY EQUIPMENT MANUFACTURING
    contract · Last action 2010-09-22
    $5,904,318
  • Department of Defense
    HIGH PURITY - SELF GENERATING NITROGEN SERVICE CART
    contract · Last action 2019-04-12
    $5,841,320
  • Department of Defense
    MHU-83D/E PRODUCTION UNITS YEAR FOUR
    contract · Last action 2023-05-22
    $5,731,958
  • Department of Defense
    HYDRAULIC TEST STAND
    contract · Last action 2010-02-23
    $5,660,848
  • Department of Defense
    ORDER OF PRODUCTION UHTS UNITS
    contract · Last action 2013-10-11
    $5,591,826
  • Department of Defense
    MJ-1C REQUIREMENT
    contract · Last action 2021-03-12
    $5,572,917
  • Department of Defense
    MHU-83D/E PRODUCTION UNITS YEAR TWO
    contract · Last action 2020-01-16
    $5,535,791
  • Department of Defense
    AERIAL STORES LIFT TRUCKS TAS: 97 8242 000
    contract · Last action 2013-12-13
    $5,495,520
  • Department of Defense
    MHU-83 D/E AERIAL STORES LIFT TRUCK
    contract · Last action 2008-11-10
    $5,495,490
  • Department of Defense
    200612!521574!1700!N68335!NAVAL AIR ENGINEERING STATION !N6833506C0466 !A!N! !N! ! !20060928!20070131!040370249!040370249!040370249!N!HYDRAULICS INTERNATIONAL INC !9201 INDEPENDENCE AVE !CHATSWORTH !CA!91311!12748!037!06!CHATSWORTH !LOS ANGELES !CALIFORNIA!+000001512567!N!N!000009202496!4925!AMMUNITION MAINT, REPR, & CHECKOUT SPEC EQ !A1C!OTHER AIRCRAFT EQUIPMENT !000 !NOT DISCERNABLE !332995!A!A!3! ! ! ! ! !99990909!B! ! !A! !D!U!J!1!001!N!1A!A!N!Z! ! !N!B!Y!N! ! !A! !A!A!000!A!B!Y!E! ! ! !1719!N68335!0001! !
    contract · Last action 2010-08-09
    $5,353,419
  • Department of Defense
    THIS EFFORT IS FOR THE PURCHASE OF (51) AERIAL TRUCK LIFTS.
    contract · Last action 2013-09-25
    $5,334,226
  • Department of Defense
    HIGH PURITY SELF GENERATING NITROGEN SERVICE CART (HP-SGNSC), TYPE I DIESEL CONFIGURATION
    contract · Last action 2016-09-22
    $5,314,473
  • Department of Defense
    MHU-83 D/E AERIAL STORES LIFT TRUCK
    contract · Last action 2009-06-22
    $5,060,484
  • Department of Defense
    CONSOLIDATED HYDRAULIC TEST STANDS FOR SUPPORT EQUIPMENT AND VEHICLES
    contract · Last action 2026-01-15
    $5,008,725
  • Department of Defense
    OTHER AIRCRAFT PART AND AUXILIARY EQUIPMENT MANUFACTURING
    contract · Last action 2011-03-03
    $4,817,770
  • Department of Defense
    THIS EFFORT IS FOR THE PURCHASE OF (31) TEST STANDS.
    contract · Last action 2015-04-13
    $4,719,981
  • Department of Defense
    CONSOLIDATED HYDRAULIC TEST STANDS FOR SUPPORT EQUIPMENT AND VEHICLES.
    contract · Last action 2025-02-24
    $4,678,697
  • Department of Defense
    THE PURPOSE OF THIS EFFORT IS TO PURCHASE THIRTY (30) DIESEL TEST STANDS.
    contract · Last action 2015-09-23
    $4,402,469
  • Department of Defense
    CONSOLIDATED HYDRAULIC TEST STANDS (CHTS) FOR SE V
    contract · Last action 2021-12-03
    $4,401,075
  • Department of Defense
    TEST STAND, DIESEL
    contract · Last action 2017-01-18
    $4,296,330
  • Department of Defense
    MAIN HYDRAULIC CONSOLE (MHC) QTY 23; HYDRAULIC FLUID COOLING SYSTEM VAPOR CYCLE (HFCS)QTY 12; AND PUMP AND MOTOR TEST CONSOLE (P&MTC) QTY 6. ALSO REFURBISHMENT (MHC QTY 3;HFCS QTY 1; P&MTC QTY 1)
    contract · Last action 2017-02-13
    $4,173,564
  • Department of Defense
    MHU-83 D/E AERIAL STORES LIFT TRUCK
    contract · Last action 2008-06-23
    $4,068,680
  • Department of Defense
    UHTS PRODUCTION UNITS
    contract · Last action 2013-10-03
    $4,049,171
  • Department of Defense
    MOBILE AIRCRAFT ARRESTING SYSTEM (MAAS)
    contract · Last action 2025-12-15
    $3,930,574
  • Department of Defense
    UNIVERSAL HYDRAULIC TEST STANDS
    contract · Last action 2019-12-10
    $3,901,765
  • Department of Defense
    MHU-83D/E PRODUCTION UNITS YEAR ONE
    contract · Last action 2021-01-26
    $3,837,353
  • Department of Defense
    HIGH PURITY - SELF GENERATING NITROGEN SERVICE CART
    contract · Last action 2019-05-13
    $3,796,858
  • Department of Defense
    206 SMALL CORROSION CONTROL CARTS
    contract · Last action 2015-02-05
    $3,791,677
  • Department of Defense
    LOT III O&I LEVEL V-22
    contract · Last action 2015-04-30
    $3,722,349
  • Department of Defense
    UNIVERSAL HYDRAULIC TEST STANDS
    contract · Last action 2020-12-15
    $3,685,923
  • Department of Defense
    F-15 INTEGRATED SERVO ACTUATOR TEST STAND IN SUPPORT OF COMMODITIES MAINTENANCE GROUP AT HILL AIR FORCE BASE, UTAH.
    contract · Last action 2025-04-15
    $3,650,000

Federal contract dollars to this establishment. Primary NAICS: 336413 - OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING. Last action: 2026-01-23. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.

Inspection history

DateTriggerViolationsSeriousPenalty
2020-03-04Accident11$5,060
2009-08-20Accident31$15,405
2005-09-01Complaint4—$1,445
2003-09-19Complaint2—$1,500
2002-11-27Complaint6—$1,460
1997-08-11Complaint0—$0
1995-05-30Complaint191$4,020
1994-06-28Complaint4—$825
1991-07-25Complaint17—$2,110

Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.

In the news

Other employers in this industry and state

Other employers in machine shops within CA, ordered by federal enforcement volume:

Related searches

About this data

This profile aggregates federal enforcement records on HYDRAULICS INTERNATIONAL, INC. 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.

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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Frequently asked

What is HYDRAULICS INTERNATIONAL, INC.'s OSHA violation history?
HYDRAULICS INTERNATIONAL, INC. has 9 OSHA inspections on record with 56 violations and $31,825 in total penalties.
How does HYDRAULICS INTERNATIONAL, INC.'s safety record compare to its industry?
HYDRAULICS INTERNATIONAL, INC. operates in the machine shops industry. The industry average Total Recordable Incident Rate (TRIR) is 2.7.