| Business | Phone |
| C & S Engineering 1719 Monon Ave, Lafayette 47904 | (765) 429-4191 |
| Vester & Assoc Inc 309 Columbia St # 101, Lafayette 47901 | (765) 742-6479 |
| Starr Associates 413 Teal Rd, Lafayette 47905 | (765) 471-8813 |
| Tbird Design Svc Corp 105 N 10th St, Lafayette 47901 | (765) 477-1900 |
| R W Gross & Assoc Inc 420 Columbia St # 100, Lafayette 47901 | (765) 742-0101 |
| John Irr Surveying 3300 Beech Dr, Lafayette 47905 | (765) 447-3764 |