- Smalley Electric, 79 Atlas Rd, Uniontown, PA
- Northwestern Rural Electric Cooperative Association INC, Cambridge Springs, PA
- Falvey Energy Engineering, 142 Decatur Rd, Havertown, PA
- Equitable Resources, 869 Hamilton Ave, Monroeville, PA
- Constellation Energy, 100 Northpointe Cir, Mars, PA
- Pittsburgh Window Film, 18 48th St, Pittsburgh, PA
- Keytex Energy, 200 Brush Run Rd # C, Greensburg, PA
- Pike Energy Solutions, 2000 Technology Dr, Pittsburgh, PA
- Resources for Human Development Sbbh, 2000 Wakeling St, Philadelphia, PA
- CNC Energy Service, 1301 Virginia Dr, Fort Washington, PA
- Energy Savers Inc, 306 Mcknight Park Dr, Pittsburgh, PA
- Covanta, 1670 S 19th St, Harrisburg, PA
- Energy Opportunities, 1200 E Camping Area Rd, Wellsville, PA
- PPL Interstate Energy Company, 1145 Rich Hill Rd, Quakertown, PA
- Johnstown Regional Energy, 368 Sandplant Rd, Cairnbrook, PA
- Energy Management System, 325 Central Ave, Malvern, PA
- Carlos R Leffler Inc, 62 N Main St, Stewartstown, PA
- Noble Energy Management Associates Inc, New Hope, PA
- Key Energy Services, 400 S Main St Ste B, New Hope, PA
- Soy Energy Inc, 2259 Oxford Rd, New Oxford, PA
- Electra Save Inc, 3491 Columbia Blvd, Bloomsburg, PA
- Facility Service Group, 200 Churchtown Rd, Narvon, PA
- Mondre Energy Inc, 1800 John F Kennedy Blvd, Philadelphia, PA
- Milner & Carr Conservation, 1431 N Cadwallader St, Philadelphia, PA
- Herpetological Associates Inc, 581 Airport Rd, Bethel, PA
- Jeremy P Feakins & Associates, 816 S Queen St, Lancaster, PA
- Jesmar Energy Corporation, Moore Rd, Washington, PA
- Stapf Energy Service, 5 Center Ave, Trappe, PA
- All Weather Shield PA, 122 Baltimore St, Hanover, PA
- Pure Energy, 10 N Bausman Dr, Lancaster, PA
- Sun Directed, 113 Hawbaker Industrial Dr, State College, PA
- Bright Eye Solar, 1200 Corporate Blvd #16, Lancaster, PA
- Advanced Solar Industries, 40 Greenwood Rd, Lancaster, PA
- SolarCity, 3050 Unionville Pike, Hatfield, PA
- Belmont Solar, 3376 Harvest Dr, Gordonville, PA
- Paradise Energy Solutions, 3105 Lincoln Hwy E, Paradise, PA
- Green Mountain Energy, 2401 Walnut St, Philadelphia, PA
- PECO Energy, 2301 Market St, Philadelphia, PA
- Solar Renewable Energy, 717 Constitution Dr, Exton, PA
- Smart Energy LLC, 130 W Main St, Trappe, PA
- Evergreen Energy, 25 Walnut St, Lansdale, PA
- Power Home Remodeling, 2501 Seaport Dr, Chester, PA
- Ameresco, 3005 Brodhead Rd, Bethlehem, PA
- TMI Energy Solutions, 4219 Trindle Rd, Camp Hill, PA
- WGL Energy, 237 S 18th St, Harrisburg, PA
- Trinity Solar, 600 Ludlow St, Philadelphia, PA
- Standard Solar, 135 S 19th St, Philadelphia, PA
- Envinity, 25 Decibel Rd, State College, PA
- Radnor Energy, 150 N Radnor Chester Rd, Radnor, PA
- SolareAmerica, 3050 Unionville Pike, Hatfield, PA
