| Portland International Jetport |
| |
| ATC Realty, LLC |
| Beaver Creek Condo Association |
| CBRE/The Boulos Company |
| Cianbro Corporation |
| Don Falvey LLC |
| Federal Express (Cargex Properties) |
| First Atlantic Corporation |
| Independent Wireless One |
| New England Expeditions, LLC |
| Ocean Properties |
| Pinnacle Partners |
| Prime Hospitality |
| Regional Waste Systems |
| RKG Associates |
| Vingtech Corporation |
| Whole Foods Market |
|
| J&J Construction |
|
| AMEC |
| Burns and McDonnell |
| Cannon Design |
| CH2M Hill |
| HNTB |
| Michael Singer |
| Nobis Engineering |
| P&S Construction |
| Patel Construction |
| Pizzagalli Construction |
| SBLM Architects |
| Transystems |
|
| Colby College |
| Phillips Exeter Academy |
| Southern Maine Technical College |
| University of Maine |
| University of Southern Maine |
|
| Defense Intelligence Agency |
| Department of Veteran’s Affairs |
| Federal Aviation Administration |
| General Services Administration |
| Maine Army and Air National Guard |
| National Park Service |
| New Hampshire Air National Guard |
| Rhode Island National Guard |
| Tampa V.A. Hospital |
| U.S. Air Force |
| U.S. Army Corps of Engineers |
| U.S. Coast Guard |
| U.S. Department of Homeland Security |
| U.S. Navy |
| Vermont Air National Guard |
|
| Bath Iron Works |
| Central Maine Power |
| Cingular |
| DownEast Energy |
| Fairchild Semiconductor |
| Fresh Meadows Mechanical Corporation |
| General Dynamics |
| IEA |
| Indeck-Keystone Energy |
| KJK Wireless |
| Laramore Douglass and Popham |
| Maine Central Railroad |
| Milton CAT |
| National Semiconductor |
| New England Telephone |
| Northeast Utilities |
| Northern Utilities |
| Portland Pipe Line Corporation |
| Portland Water District |
| Proton Energy |
| Riverside Mechanical, Inc. |
| Tetra Tech |
| Tetra Tech NUS |
| Trenwa, Inc. |
| U.S. Cellular |
| Verizon |
| Vingtech Corporation |
| Worley Parsons |
|
| Appledore Marine |
|
| City of Berlin, New Hampshire |
| City of Bridgton, Maine |
| City of Eastport, Maine |
| City of Manchester, New Hampshire |
| City of Old Town, Maine |
| City of Portland, Maine |
| City of Presque Isle, Maine |
| City of Saco, Maine |
| City of South Portland, Maine |
| City of West Palm Beach, Florida |
| Florida Department of Transportation |
| Kennebec Regional Development Authority |
| Maine Department of Transportation |
| New Hampshire Department of Transportation |
| Portland International Jetport |
| South Florida Water Management District |
| State of Maine |
| Town of Cape Elizabeth, Maine |
| Town of Gray, Maine |
| Town of Kennebunk, Maine |
| Town of Limington, Maine |
| Town of Milton, Vermont |
| Town of Rye, New Hampshire |
| Town of Scarborough, Maine |
|
| Alpha Management |
| Cabela’s |
| DSW Shoes |
| General Growth Properties |
| Linens ‘N’ Things |
| Oakhill Plaza |
| Pizzeria Uno |
| S.R. Weiner |
| Simon Property Group, Inc. |
| Unico |
| Whole Foods Market |