OSHA 10 / 30 / #510 Certified Workforce
JKL
JKL Maintenance Industrial & Construction Cleaning
Request a Bid
Battery • Semiconductor • Solar • Institutional

Precision Industrial &
Cleanroom Cleaning

From construction-phase final turnover to strict Cleanroom/Dry-room (CR/DR) contamination control, equipment cleaning, and calibrated TSI particle counting across the United States.

Zero
Contamination-Related Failures
100%
OSHA 10 Baseline & OSHA 30/#510
CR / DR
Cleanroom & Dry-Room Protocols
TSI®
Calibrated Particle Count Reports
COMPANY PROFILE 01/14

Our Core Capabilities

01

Construction Cleaning

  • • Construction-phase and final cleaning
  • • Detailed cleaning for inspection and facility handover
02

Industrial Cleaning

  • • Production equipment, stocker cranes and lifts
  • • Overhead piping, HVAC and RTU cleaning
03

Cleanroom Support

  • • Cleanroom Cleaning and Contamination Control
  • • Particle Counting and documented measurement results
04

Site Coordination & Safety

  • • Multilingual communication (EN / KR / ES)
  • • Site-specific Work Planning & Safety Coordination
COMPANY PROFILE 06–09/14 • FIELD SCOPE

Specialized Field Scope & Visuals

COMPANY PROFILE 10/14

Particle Counting & Verified Reporting

  • ✓ Direct instrument measurements performed in the cleanroom, with measurement results recorded in written reports.
  • ✓ Our particle counters have valid calibration certificates to support accurate and reliable measurement results.
  • ✓ We document particle count measurements in reports for review against project-specific acceptance criteria.
🟢 Verified Instrument
TSI AeroTrak® Counter

Direct ISO Cleanroom Sampling (Sample #11)

🔴 Certified Data
TSI Calibration Certificate

Full copy provided with bid package

Area Monitoring Trends (Area A & Area F)

Documented daily particle reduction & stabilization (Jul 14 – Jul 26)

PASS / COMPLIANT
Area A Trend 21k ➔ 13.8k
Jul 14Jul 18Jul 22Jul 26
Area F Trend 17.5k ➔ 13.2k
Jul 14Jul 18Jul 22Jul 26
COMPANY PROFILE 02–05/14

Selected Project Experience

Proven track record at North America's largest gigafactories, solar plants, semiconductor fabs, and institutional facilities.

LGES LH Ohio
Battery Gigafactory
Battery Facilities Dec 2024 – Aug 2025

LGES LH — Ohio

Construction Cleaning & CR/DR Support

  • • Construction-phase and final cleaning
  • • CR/DR protocol and production cleaning
  • • Supported facility startup and handover
🏆 01 Successful Handover 02 Particle Compliance
Hanwha Qcells Georgia
Solar & Advanced Mfg
Advanced Manufacturing Jun 2025 – Sep 2025

Hanwha Qcells — Georgia

Technical Cleaning & Startup Support

  • • Equipment, HVAC and RTU cleaning
  • • Cleanroom entry protocols
  • • Workforce training & contamination control
🏆 01 Zero Contamination Failures 02 Startup Readiness
LGES Holland Michigan
Automated Battery Plant
Battery Facilities Aug 2025 – Present

LGES Holland — Michigan

Ongoing Production-Area & Cleanroom Support

  • • Production-area & equipment exterior cleaning
  • • Stocker lift and overhead piping cleaning
  • • Audit preparation and periodic cleaning
🏆 01 Cleanroom Standards Kept 02 Audit Support
Sumika Semiconductor
Semiconductor Cleanroom
Semiconductor

Sumika Semiconductor — Texas

Strict cleanroom contamination control and sub-micron particle management.

Moran Eye Center Utah
Clinical Medical Facility
Institutional / Medical

Moran Eye Center — Utah

Specialized medical facility cleaning adhering to clinical hygiene standards.

U.S. Army Reserve Center Utah
U.S. Federal Facility
Institutional / Federal

U.S. Army Reserve Center — Utah

Comprehensive facility maintenance and institutional operational support.

COMPANY PROFILE 11–13/14

Safety Qualifications & Delivery Process

01 • ALL EMPLOYEES

OSHA 10-Hour

All JKL employees have completed OSHA 10-hour safety training as a baseline for workplace safety awareness.

02 • SAFETY MANAGEMENT

OSHA 30 & OSHA #510

Our safety management personnel have completed OSHA 30-hour training and OSHA #510 to support effective site safety oversight.

03 • TASK-SPECIFIC PPE & CERTS

LOTO • PAPR • High-Access

Certified in Lockout/Tagout (LOTO), Forklift, Scissor Lift, Walkable Ceiling Access, PAPR & Full-Face Respirators.

01 • Scope

Agree scope, access & acceptance criteria

02 • Prepare

Confirm staffing & site-specific safety procedures

03 • Execute

Clean agreed areas & document work progress

04 • Review

Measure particle counts where scoped; report & hand over

COMPANY PROFILE 14/14 • BUSINESS INQUIRIES

Let's Discuss Your Project

KL

Kangmin Lee

CEO

📞 385-209-7789

✉️ klee@jklmaintenance.com

KC

Kanghoon Cho

Business Manager

📞 708-830-1523

✉️ james@jklmaintenance.com

JC

Joe Cardenas

Operations / Safety Manager

📞 832-613-2112

✉️ joe@jklmaintenance.com