(Updated 8/22)
| Name of Company | Address | City State | ZIP | Phone |
|---|---|---|---|---|
| American Water & Energy Savers | 4431 North Dixie Hwy | Boca Raton, FL | 33431 | 800/950-9058 |
| Alliance Power (Electrical Service) | 811 6th St, Suite 205 | Wichita Falls, TX | 76301 | 877-777-2017 |
| ASA Resources (solar panels) | 440 Louisiana St. #580 | Houston, TX | 77002 | 281/960-6036 |
| Energy Solutions International | 220 Marie Ave E. |
St. Paul, MN | 55118 | 651/268-6060 |
| Green Seal USA | 1717 K St. NW, #900 | Wash. DC | 20006 | 202/872-6400 |
| Johnson Controls | 8323 N. Eldridge Pkwy, #120 | Houston, TX | 77041 | 281/671-3300 |
| Master Meter, Inc. | 101 Regency Pkwy | Mansfield, TX | 76063 | 817/842-8000 |
| Reliant Energy Entex | 866/222-7100 | |||
| Siemens |
8600 N Royal Ln #100 | Irving, TX | 75063 | 972/550-8488 |
| Texas Gas Service | 5602 E Grimes | Harlingen, TX | 78550 | 800/700-2443 |
| TXU Services Co. | 877/524-0752 |