Commercial Contractors
- 381
- Kleen-Air Service Corporation
- Air conveyance system cleaning for Commercial, Industrial, Research and HealthCare Facilities throughout the Midwest.
- 382
- Kool-It Services Ltd.
- UK based company specializing in air conditioning and refrigeration products and services.
- 383
- LM Sheet Metal, inc.
- Full service residential / commercial HVAC contractor and custom sheet metal shop servicing Northern Illinois.
- 384
- Lakeside Service Company, Inc.
- Brighton, MI based contractor providing installation, service and maintenance of residential and light commercial heating, cooling and ventilation systems in Livingston County.
- 385
- Larry and Son Heating and Air Conditioning
- Niles MI full service residential / commercial HVAC contractor.
- 388
- M.S. Air Movement
- Designers, manufacturers and installers of specialized air conditioning and ventilation systems in the United Kingdom.
- 390
- Marina Mechanical
- Full service HVAC contractor based in San Leandro, CA. serving commercial, industrial and institutional clients throughout northern California.
- 391
- McCarl's, Inc.
- Mechanical Contracting, Industrial and Commercial, including plumbing and mechanical, for schools, prisons, hospitals, and universities.
- 393
- Mechanical Solutions, Inc.
- Temperature control and HVAC system service company based in Englewood, CO.
- 394
- Mechanical Systems of Dayton, Inc.
- Dayton, OH mechanical contractor specializing in commercial, industrial, and institutional HVAC and Sheet Metal Fabrication.
- 395
- Metal-Fab Commercial
- Provides commercial venting and duct products for exhausts. Lists codes and standards, products, design manuals factory contacts and corporate contact information.