| Business | Phone |
| Chastain-Skillman Inc 4705 Old Road 37, Lakeland 33813 | (863) 646-1402 |
| Mc Vay-Wood & Assoc Inc 1925 Bartow Rd # 201, Lakeland 33801 | (863) 686-0544 |
| Metric Engineering Inc 2930 Us Highway 98 N, Lakeland 33805 | (863) 687-7440 |
| Morgan Phillips Engineering 2225 E Edgewood Dr # 5, Lakeland 33803 | (863) 665-4835 |
| Point Engineering Inc 923 S Florida Ave # 102, Lakeland 33803 | (863) 683-1816 |
| Walter Fedy Group 101 W Main St # 221, Lakeland 33815 | (863) 682-8498 |