ARCHITECTS AND CONTRACTORS SPECIALIZING IN ENERGY EFFICIENCY, ALTERNATIVE ENERGY SOURCES, OR OTHERWISE SUSTAINABLE DESIGN The following organizations and agencies can provide referrals: N.C. Alternative Energy Corporation (P.O. Box 12699, Research Triangle Park 27709; 919/361-8000) American Institute of Architects N.C. Committee on Energy and Environment (115 W. Morgan St., Raleigh 27601; 919/833-6656) Black Swan Center, Community Energy Center (34 Wall St., Ste. 708, Asheville 28801; 704/254-6488): Makes referrals for western N.C. N.C. Cooperative Extension Service (N.C. A&T University, P.O. Box 21928 Greensboro 27420-1928; 910/334-7956; N.C. State University, P.O. Box 7602, Raleigh 27695; 919/515-2811; Cooperative Extension Service Centers, located in each county and at the Cherokee Reservation) Ecos Logos (N.C. State University School of Design, Box 7701, Raleigh 27695-7701; 919/515-2201) N.C. Solar Energy Association (850 W. Morgan St., Raleigh 27603; 919/832-7601) N.C. State University Solar Center (Box 7401, Raleigh 27695-7401; 800/33-NC SUN or 919/515-3480)