| Company |
| ABM Janitorial Services |
| ABM Security Services |
| Advanced Energy Group |
| Air Rite Control |
| AirAdvice, Inc. |
| Allied Waste of Portland |
| AlliedBarton Security Services |
| Amec Earth & Environmental |
| Apollo Construction Services |
| Architectural Elevator Consulting, LLC |
| Associated General Contractors |
| Benge Industries |
| Cadence Contract Flooring, LLC |
| Camfil Farr, Inc. |
| Carlson Testing, Inc. |
| Carrier Commercial Service |
| Cleanscapes, Inc. |
| Clear Blue Energy Corp |
| Columbia Construction Services |
| Comcast |
| Convergint Technologies, LLC |
| Cosco Fire Protection |
| Daily Journal of Commerce |
| Elite Striping, LLC |
| Energy Trust of Oregon, Inc. |
| Floor Solutions |
| Foliage Services |
| Forensic Building Consultants |
| Fortis Construction |
| GCA Services Group |
| Green Building Services, Inc. |
| Heinz Mechanical |
| Horizon Restoration |
| Howard S. Wright Constructors |
| Hunter-Davisson, Inc. |
| InterWorks, LLC |
| Kennedy Restoration |
| KONE, Inc. |
| Lease Crutcher Lewis, LLC |
| Malarkey Roofing Products, Inc. |
| Millennium Building Services, Inc. |
| N & C Service Inc. |
| National Maintenance Contractors |
| Northwest Commercial Carpet & Floor Cleaning, Inc. |
| Northwest Control Company |
| Northwest Energy Efficiency Alliance |
| Northwest Engineering Service, Inc. |
| Northwest Natural |
| Northwest Protective Service, Inc. |
| Oregon Air Reps, Inc. |
| Otis Elevator Company |
| Pacific Window Tinting, Inc. |
| Plumbing & Mechanical Contractors Group |
| Premier Cleaning Services, LLC |
| Raindrop Roofing NW, LLC |
| RainDrop Supply, Inc. |
| Ri Ky Roofing |
| Schindler Elevator |
| Securitas Security Services USA, Inc. |
| Service Point |
| ServiceMaster Building Maintenance of Portland |
| ServiceMaster Solutions |
| Siemens Building Technologies |
| SimplexGrinnell |
| Snyder Roofing of Oregon, LLC |
| Spectra Contract Flooring |
| The Facade Group, LLC |
| The Stoner Electric Group |
| ThyssenKrupp Elevator |
| Township-United Building Services, LLC |
| TraneOregon |
| TREMCO Incorporated |
| Varsity Contractors, Inc. |
| Virticus Corp |
| Vortex Doors |
| Walter E. Nelson Co. |
| Waste Management of Oregon |
| West Coast Paper |
