| Business | Phone |
| 4-Way Electric 1308 Oldfield St, Castle Rock 80104 | (303) 814-0148 |
| All Seasons Electric Inc 1030 Quarterhorse Trl, Castle Rock 80104 | (720) 733-0466 |
| Banks Electric 6044 Millbridge Ct, Castle Rock 80104 | (720) 635-2873 |
| Beem Electric 1211 Greenwood Ln, Castle Rock 80104 | (303) 660-9431 |
| Tenn Pro-Tec Systems 2241 Hawken Dr, Castle Rock 80109 | (303) 681-2657 |
| Canyon Creek Electrical Svc Castle Rock 80104 | (720) 219-2576 |
| Delta-Wye Electric 3201 N Pleasant View Dr, Castle Rock 80104 | (303) 688-1126 |
| Riviera Electric Constr 5254 N Meadows Dr, Castle Rock 80109 | (303) 663-7343 |
| Electric Co 4690 S Yosemite St, Castle Rock 80104 | (303) 663-7304 |
| Harvard Construction Electric 95 E Yucca Hills Rd, Castle Rock 80109 | (303) 660-4592 |
| Mc Guire Electric Svc Inc 1183 Whispering Oak Dr, Castle Rock 80104 | (303) 663-1895 |
| Horizon Electric Co 3133 N Pleasant View Dr, Castle Rock 80104 | (303) 688-3238 |
| Lazer Electric Svc 4212 Miners Candle Pl, Castle Rock 80109 | (303) 791-6061 |
| J & L Stanesa Electric Co 2134 Haystack Rd, Castle Rock 80104 | (303) 660-0160 |
| Kmac Electrical Contractors 625 Young Cir, Castle Rock 80104 | (303) 688-1312 |