Office Locations
Locations Map
Office Addresses
Corporate Offices
60 State St, Suite 201
Peoria, IL 61602
(309) 673-8422
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Environmental Consulting
| 111 E Kilbourn Ave, Suite 1750
Milwaukee, WI 53202
(414) 225-9604
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Locating & Utility Services
Headquarters
1111 E Broadway St
Missoula, MT 59802
406-728-9343
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State Field Offices
| Office | Address | City | State | Zip | Phone |
| Arizona | 20809 N. 19th Ave. - Ste. 1 | Phoenix | AZ | 85027 | 623-780-3350 |
| California | 13819 Amargosa Rd. Suite #7 | Victorville | CA | 92392 | 760-952-2261 |
| Colorado | 600 Corporate Circle, #M | Denver | CO | 80401 | 303-241-2398 |
| Florida | 4500 140th Ave. N, Suite 210 | Clearwater | FL | 33762 | 727-531-7656 |
| Idaho | 2390 Commercial St. #3 | Meridian | ID | 83642 | 208-898-0512 |
| Illinois | 1617 W. Detweiller Dr. | Peoria | IL | 61615 | 309-692-3029 |
| Minnesota | 6301 Bandel Rd. NW | Rochester | MN | 55901 | 507-282-3651 |
| Montana | 1440 Holmes Ave. #5 | Butte | MT | 59701 | 406-457-0163 |
| Nebraska | 2443 S. 156th Circle | Omaha | NE | 68130 | 402-330-3296 |
| Nevada | 4460 W. Hacienda Ave. #106 | Las Vegas | NV | 89118 | 702-597-2250 |
| North Dakota | 1617 1st Ave. No. #17-A | Fargo | ND | 58102 | 701-237-0827 |
| South Dakota | 222 N. Marion Rd. #B | Sioux Falls | SD | 57107 | 701-237-0827 |
| Utah | 201 W. 5th Ave. #4 | Murray | UT | 84107 | 801-440-8979 |
| Wyoming | 388 N. American Rd. | Cheyenne | WY | 82003 | 307-635-6431 |