Investors of $250 to $499 3M Energy & Advanced Materials A & M Mechanical Contractors A A Advance Air ABBOTT Engineering Robert Abernethy Accu Temp Accuspec Gregg Achtenhagen Acme Engineering & Manufacturing ACP Sheet Metal Company Acutherm Advanced Energy Management Advanced Thermal Solutions Aero Integrated Solutions Aerofin Affiliated Engineers Air Audit Air Balance Consultants Air Cold Supply Air Control Balancing Air Control Products. – Cleveland Air Engineering & Testing Air Engineers Air Management Technologies Air Movement & Mechanical Service Air Products Supply Air Treatment Equipment Airdronics Airtech Service Airtechni Akron/Canton ASHRAE Chapter Albers Mechanical Contractors Dean Alderson Allegheny Engineering Co. Bryan Allen Allied Engineering Group All-Rite Plumbing & Heating Ameresco American Indoor Environments Tilak Andhole Annexair Applied Companies Aqua Air Products – Tampa Aqua Air Systems – Edmonton Aquavap Indotec Agencies ARC Inc. – Knoxville ARC Mechanical Contractors Arctic Engineering Edward Arens ARID-Dry by CDIMS Arora Engineers ArSed Engineering Group Brasil ASHRAE Chapter Andrew Ask Assaf Simoneaux Tauzin & Assoc. Associated Engineering – Saskatoon Associated Engineering Consultants – Philadelphia Associated Plumbing & Mechanical Contractors – Sacramento Associated Steam Specialty Company Astorino Branch Engineers Atlantic Commercial Credit Atmos Energy Darin Aubin Jim Auten Automated Logic – Illinois Automated Logic – Twin Cities Axiom Industries Charles Ayers III AZME B & H Mechanical B G Peterson Company B&L Heating & Air Conditioning Baete-Forseth HVAC Donald Bahnfleth Bahnfleth Group Advisors Baird Hampton & Brown Erv Bales Barge Waggoner Sumner & Cannon Randall Barnes Barr Mechanical Sales Barton Solvents Michael Beda Belimo Aircontrols – Arizona Lynn Bellenger G Kevin Bengel Bennett Holland Kovac & Assoc. Timothy Berends Frederick Betz BJ Terroni Co. Black Hills Area ASHRAE Chapter Black Hills Corp. Blackmon Service Blackmore & Glunt – Maryland Bladykas Engineering Jeffrey Blaevoet Bratislav Blagojevic BLN Engineering Blygold Boiler Supply – Knoxville Boiler Supply – Nashville Boone & Boone Sales – Tulsa Bornquist Inc. Bouthillette Parizeau et Associes Richard Bowman Brack & Assoc. Brake & Hegyan Brandon Assoc. Brasfield & Gorrie Thomas Bredesen Breidert Air Products Brian Cox Mechanical Bridgers & Paxton Brian Broussard Bruce E Brooks & Assoc. Brucker Company Brunswick Sheet Metal Roger Buckmaster Buffalo Air Handling Company Building Control Systems James Bullock Jr. Bullock/Logan Lee Burgett John Burton Bush Sales Assoc. George Butler Calibrair Calmac Manufacturing The Cannon Company Juan Cardet Carolina Comfort Carolina Cooling Carrier Bryant Tennessee Carrier – Tulsa Carroll Air – Altamonte Springs Kit Cartwright Carwile Mechanical Contractors Richard Cates Jr. Jeffrey Caviness Central Air Conditioning Company Century Mechanical Contractors Clifford Chamberlain Charter Mechanical Chase & Assoc. Edward Chasteen Jr. Nirun Chayangsu Chem-Aqua – NCH Canada Charles Chinnis SK Chou Yindy Chow Christie Mechanical Matthew Ciranna CJL Engineering Clapp Assoc. Climatec Controls Climpro CM3 Building Solutions CMS Van Cochran Colby Equipment Company Colorado College Comfort Sales Agency Comfort Supply Commercial Mechanical Commercial Sheetmetal Commercial Systems Analysis Computer Support Technologies Con’Eer Engineering James Conrad Conrad Sheet Metal Company Conserve Nova Scotia Control Systems – Ontario Control Technologies – Lubbock Control Technologies – Manchester Corporate Equipment – Cincinnati Karl Counts County Fair Air Conditioning Drury Crawley IV CRG Engineering Joshua Crichton Allen Crocker Carl Crow Douglas Crumley Jr. Cruybelt Contractor Cummins-Wagner Cunningham Sales Charlie Curlin Jr. Curney Mechanical Custom Metals D E Kirby Inc. D J Conley Assoc. Daikin Juan Dalla Rizza Dallas/Fort Worth Sheet Metal Charles Darr III Data Center Systems Dave Downing & Assoc. John Day Dec Design Mechanical Consultants Deckman Company DeHart Plumbing Heating & Air Del-Air Mechanical Contractors Delaware Engineering & Design Delcon Heating & Air Conditioning Delhi Industries Delta H Engineering Co. Michael Denk Denk Assoc. Design Day Mechanicals Desjardins Gestion Immobiliere Diamond Mechanical Distributors Liz Dickson Dildy & Assoc. Direct Digital Control District Energy – St. Paul Diversified Product Sales DMG Arizona Don Vaughn Inc. Donelson Corp. Charles Dorgan DP Engineering Drennan Refrigeration Joseph Driscoll III DS Herron Co. Jose Dueno-Annoni Duke Energy DVL Inc. DWG Consulting Engineers E & S Construction Engineers E F Siegfried Co. E H Price Sales – Regina E H Price Sales – Saskatoon E O Wood Co. Easy Practical Solutions Ecco Heating Products – Regina Ecco Manufacturing – Langley ECI of Arizona ECS – Engineering Consultants EDC Inc. Edmonds Engineering Chris Edmondson Electronic Environments Elite Air Systems Elmco Duddy EMC Engineers EMCOR Energy Improvement Products Enerscope Systems Engineered Air – Edmonton Engineered Air – Kansas City Engineered Air – Montreal Engineered Air – Ottawa Engineered Air – Toronto Engineered Air – Vancouver Engineered Air – Winnipeg Engineered Products Engineered Thermal Systems Engineering 370 Engineering Design Assoc. Engineering Inc. – Boise Engineering Professionals Engineering Resource Group – Birmingham Engineering Resource Group – Jackson Engineering Services Group Enviroair Industries Enviromatic Systems of Fort Worth Environmental Air Products / MCF Eng. Environmental Safety Technologies Environmental Systems Analysis Gregory Epperson Epting Distributors Ernest D Menold Inc. Edwin Evans Ewing Cole Excalibur Control Products Fahrhall Mechanical Contractors Faulkner Haynes & Assoc. Federal Corp. Feld-Hazer & Assoc. Ferguson Enterprises – Tulsa Ferguson Equipment – Knoxville October 2009 2008 – 2009 Investor Honor Roll HR9