The Hollywood sign on the hills above Los Angeles at dusk

Designers, Engineers And Installers

Machine safety & OSHA compliance, chemical process lines and dust collection, designed, built and installed. 30+ years · PE Engineers · UL Approved Panel Shop.

Hardinge lathe fitted with a yellow chuck guard and clear safety shield

Machine Safety

OSHA Compliance · Physical & Electronic Machine Guarding

  • Machine guarding analysis
  • Custom guard design & fabrication
  • UL Approved Panel Shop (OSHA-approved electrical panels)
  • Turnkey installation, process testing & training
Learn More about Machine Safety
Custom white polypropylene wet bench with fume hood built for a chemical process line

Environmental & Pollution Controls

Air Pollution Controls · Chemical Process Lines

  • Chemical process lines & dip tanks (FRP, polypropylene, PVC)
  • Dust & chip collection
  • Industrial ventilation & fume scrubbers
  • Permitting, retrofits & preventative maintenance
Learn More about Environmental & Pollution Controls
  • 30+ Years
  • PE Engineers
  • UL Approved Panel Shop
  • OSHA Compliance

About Us

With over 30 years of experience, we are an independent firm of designers, engineers, and technical specialists working across all aspects of today's built environment. Together, we help our clients tackle their most complex challenges, transforming innovative ideas into tangible, profitable, and sustainable realities as we continuously strive to find better solutions and shape a better world.

Brown & Sharpe surface grinder fitted with a custom aluminum-frame safety guard by 9EHS

Industries We Serve

Knowledge is priceless. Our experienced team, across all disciplines and backed by on-site experience, brings in-depth knowledge to every phase of a project.

Team experience across industries:

  • Manufacturing
  • Industrial machinery
  • Institutional
  • Aerospace
  • Healthcare
  • Military
Yellow articulating chip shield guarding the spindle of a Bridgeport milling machine

Environmental, Health & Safety Cardinal Rules

At 9EHS, our Safety Cardinal Rules are mandatory, life-saving rules that are safety-critical, with zero tolerance for violation.

Our Clients

  • SeaSpine logo
  • Collins Aerospace logo
  • Kaiser Permanente logo
  • Ducommun logo
  • Avcorp logo
  • Goodrich logo
  • Parker Meggitt logo
  • Esterline logo
  • United Technologies logo
  • Moog logo
  • PCC (Precision Castparts) logo
  • LISI logo

Ready to discuss your project?

Tell us about your machine safety or environmental project and we'll get back to you promptly.

Cover of the 9EHS Machine Safety Product Catalog 2026

Free download · 2026 edition

Machine Safeguarding Product Catalog

40 pages of OSHA-compliant guards for lathes, mills, drill presses, grinders, band saws and presses, plus anti-restart controls and LED work lamps, with models, options and sizes.

Download the Catalog

PDF · 40 pages · 6.4 MB · No sign-up needed

Need a custom guard? Contact Us