Professional & Technical Services

3,596
Employers
2,184
Inspections
4,286
Violations
$5.4M
Total Penalties
$2K
Avg per Inspection

What the Data Says About Professional & Technical Services

The Professional & Technical Services sector (NAICS 54) contains 3,596 employers with OSHA enforcement records, generating 2,184 inspections and 4,286 documented violations across the industry. That works out to 1.96 violations per inspection and roughly 0.6 inspections per employer. Cumulative OSHA penalties against this sector total $5.4M, averaging $2K per inspection.

Compared against every other industry PlainWorker tracks, Professional & Technical Services ranks #15 of 32 when measured by average penalty per inspection. The cross-industry average sits near $2K per inspection, so this sector runs above the mean. Industries with higher average penalties typically see a greater share of serious, willful, or repeat violations — categories OSHA reserves for hazards likely to cause serious physical harm or where employers knowingly disregarded the law.

The 3,596 employers shown below represent only workplaces with inspection or wage-theft enforcement records — not the full universe of Professional & Technical Services businesses. Listings are drawn from the U.S. Department of Labor's enforcement database and updated monthly. Click any employer to view their full violation breakdown, penalty history, and wage-and-hour compliance record. For wage, occupational employment, and compensation context on this sector, cross-reference the related data sources at the bottom of this page.

Top Violators in Professional & Technical Services

# Employer Location Violations Total Amount
1 Inverness Technologies, Inc. Annandale, VA 0 $14.6M
2 Hewlett-Packard Palo Alto, CA 0 $5.2M
3 Westat, Inc Rockville, MD 0 $4.3M
4 UKG Inc. FORT LAUDERDALE, FL 0 $3.3M
5 FPMI Alexandria, VA 0 $3.2M
6 UKG Inc Fort Lauderdale, FL 0 $2.6M
7 22nd Century Technologies Somerset, NJ 0 $2.6M
8 Computing Technologies, Inc. State Department Fairfax, VA 0 $2.6M
9 Inverness Technolgies, Inc Annandale, VA 0 $2.6M
10 Metters Industries, Inc. McLean, VA 0 $2.1M
11 Peregrine Technical Solutions LLC. Yorktown, VA 0 $2.0M
12 Hewlett Packard (NASA ACES Contra)/Perspecta Palo Alto, CA 0 $1.7M
13 ECS Federal, LLC Fairfax, VA 0 $1.6M
14 HCI Group, Inc. Jacksonville, FL 0 $1.5M
15 Gaver Technologies, Inc. dba GTI Federal Frederick, MD 0 $1.3M
16 ProForce Personnel Group Gambrills, MD 0 $1.2M
17 General Dynamics Land System, Inc. Dupont, WA 0 $1.0M
18 UKG, Inc. Fort Lauderdale, FL 0 $1.0M
19 Language Line Monterey, CA 0 $968K
20 Ultimate Software Group, Inc Fort Lauderdale, FL 0 $895K

All Employers in Professional & Technical Services

Employer Location Inspections Penalty
BUNDY'S TREE SERVICE REDDING, CA 2 $785
COMMERCIAL LANDSCAPE & MAINTENANCE, INC. SAN JOSE, CA 2 $765
NVL LABORATORIES INC SEATTLE, WA 2 $750
PALLADIUM WINDOW SOLUTIONS LLC NEW YORK, NY 2 $750
SIGN PROS INC REDMOND, WA 3 $750
D M SIGNS LLC MIDLOTHIAN, VA 2 $735
VILLAGE VETERINARY HOSPITAL BELLINGHAM, WA 2 $700
TOWNEPLACE SUITES MUKILTEO MUKILTEO, WA 2 $700
WILCRO, INC. WILLIAMSVILLE, NY 2 $700
PREFERRED QUALITY SERVICES INC. GRAND RAPIDS, MI 2 $700
GENERAL TREE SERVICE, INC. BAKERSFIELD, CA 2 $685
CASCADE ENGINEERING TECHNOLOGIES INC MILWAUKIE, OR 2 $680
ENZA ZADEN RESEARCH USA, INC. GILROY, CA 2 $660
MKS SERVICES LLC LAS VEGAS, NV 2 $659
KASE/WARBONNET, INC. POCATELLO, ID 2 $625
MTS ENGINEERING MODESTO, CA 2 $610
SAN CARLOS PET INC. DBA SAN CARLOS PET HOSPITAL SAN CARLOS, CA 2 $600
NW ROOFING SOLUTIONS LLC EVERETT, WA 2 $600
MTZ GLOBAL LOGISTIC CONSULTING INC LIVONIA, MI 2 $600
FIRGROVE VETERINARY CLINIC PS PUYALLUP, WA 2 $600
ESPAS INC CLINTON TOWNSHIP, MI 3 $600
CHAFFHAYE, INC. DELL CITY, TX 2 $600
HOLIDAY SIGNS INC LAKESIDE, VA 4 $588
BARRETT BUSINESS SERVICES INC. (BBSI) SANTA CLARA, CA 2 $560
JC PENNY BUENA PARK, CA 2 $560
TREE OF LIFE TREE SERVICE CHICO, CA 2 $560
TANK-TIGHT SYSTEMS INC JACKSON, CA 2 $560
UNIS LLC BUENA PARK, CA 2 $560
PENN NEON SIGN CO., INC. YUMA, AZ 3 $550
GO PLUS CORP ONTARIO, CA 2 $530
DACHSER USA AIR & SEA LOGISTICS INC. ELK GROVE VILLAGE, IL 2 $525
IEH LABORATORIES & CONSULTING GROUP LAKE FOREST PARK, WA 2 $500
WILLIAM W GREEN & ASSOCIATES SANTA ANA, CA 2 $500
FELTS SIGN COMPANY HENRICO, VA 3 $495
BAS HOLDING, LLC DBA EPL BIO ANALYTICAL SERVICES NIANTIC, IL 2 $490
HILL ELECTRICAL INC MECHANICSVILLE, VA 2 $490
JT LOGISTICS SOLUTIONS, LLC MANTECA, CA 3 $485
CLINICAL TRIALS OF AMERICA, INC. HICKORY, NC 2 $455
ESSEN BIOSCIENCE ANN ARBOR, MI 2 $450
SANTIBANEZ AGRICULTURAL SERVICES, INC. ACAMPO, CA 3 $450
PENINSULA HUMANE SOCIETY SAN MATEO, CA 2 $435
MOORE SIGN CORPORATION GLEN ALLEN, VA 2 $420
FORD CONSTRUCTION COMPANY, INC. TRACY, CA 2 $410
SKY MOBILE BILLBOARDS LAS VEGAS, NV 2 $400
TERRAFIRMA INC YPSILANTI, MI 2 $400
ANIMAL MEDICAL CENTER, LLC MURFREESBORO, TN 2 $400
BAYSHORE VETERINARY HOSPITAL MARQUETTE, MI 2 $400
ZIMMERMANN ENGINEERING CO INC NOVI, MI 2 $400
FOREWAY TRANSPORTATION INC COOPERSVILLE, MI 2 $340
SENSORAY CO INC TIGARD, OR 2 $330
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Nearby & Related Industries

Compare top violators in Professional & Technical Services side-by-side →

Explore More Data

Source: OSHA Enforcement Data — U.S. Department of Labor (data.dol.gov)
Source: NAICS Industry Classification — U.S. Census Bureau

Top employers in 54

Top employers in 54 Horizontal bar chart of the top 5 items by value (violations). Top employers in 54 Top 5 1. Inverness Technologies, Inc. 0 violations 2. Hewlett-Packard 0 violations 3. Westat, Inc 0 violations 4. UKG Inc. 0 violations 5. FPMI 0 violations Top 5 employers in this NAICS sector by total OSHA enforcement actions. Source: U.S. Department of Labor (data.dol.gov).

Source: U.S. Department of Labor — OSHA Enforcement Data OSHA inspection + penalty records by NAICS sector · 2024 OSHA enforcement records reflect inspections opened, citations issued, and penalty amounts assessed; final penalty amounts often differ from initial assessments after settlement.

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