Licensed Professional Staff
Towill’s diverse staff includes licensed Professional Land Surveyors, Professional Engineers, Certified Photogrammetrists, and Certified Mapping Scientists, among others.
Please see the map above for state licensing information. Certifications awarded by the American Society for Photogrammetry and Remote Sensing (ASPRS) and GIS Certification Institute (GISCI) are valid throughout the United States.
Local Business Certifications
| Type | Program | Agency | Notes |
| LBE | Local Business Enterprise | Alameda County Transportation Commission | Certification #TOW20210930-01 |
| LBE | Local Business Enterprise | County of Contra Costa | Vendor #003475 |
| LIABE | Local Impact Area Business Enterprise | Port of Oakland | Certification #8759-20 |
| SB-PW | Small Business for the purpose of Public Works | California Department of General Services | Certification #2013590 |
| DIR | Registered Public Works Contractor | California Department of Industrial Relations | Registration #1000010326 |
| N/A | Precertified CCIS Vendor | Texas Department of Transportation | Vendor #00003110 |
| N/A | Prequalified Tunneling Subcontractor | Virginia Department of Transportation | Vendor #T3161 |