• Advanced Transformer
  • Boeing Aircraft

  • Burrows Aerospace Corp.

  • Castrol Oil

  • CDC

  • City of Los Angles DWP

  • Climate Master

  • Cruise ship Industry

  • Diamond Nut

  • Douglas County NV

  • Dust Free

  • ECO Systems

  • Emergency Management

  • Fast parts (division of Carrier)

  • Fosters Farms

  • Harvey’s Resorts

  • Home Depot

  • International Environmental Corp.

  • Kmart

  • Little Giant Corp.
  • LSB Corp.
  • Nielsen Farms
  • ORC Corp.

  • Penn State University

  • Perkin Elmer

  • Petaluma Farms

  • Philips Lighting

  • Pond Works

  • Savio

  • South Lake Tahoe PUD

  • The White House

  • Trojan Corp.

  • University of Oklahoma Health Sciences Dept.

  • US Army

  • US Coast Guard

  • US Postal Service

  • Wal-Mart

  • Williams Corp.,

  • Xpediair

  • Yellowstone National Park sewage treatment

  • and more.