Contact Us

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Headquarters
123 North Wacker Drive, Suite 900
Chicago, IL 60606 (map)
Fax: 312.704.9320
TTY/TDD: 711 312.704.9300
24-hour service: 877.346.3234
Collins is a certified Veteran Owned Small Business in Illinois.

Daniel G. Cecchi, P.E., Executive Vice President
Elizabeth C. Burkhart, P.E., Vice President-Business Development
 
U.S. Locations
Colorado
455 Sherman Street, Suite 160
Denver, CO 80203 (map)
New Hampshire
650 Islington Street
Portsmouth, NH 03801 (map)
Phone: 603.334.4742
Fax: 603.334.4745
Connecticut
101 Hammer Mill Road
Rocky Hill, CT 06067 (map)
New York
44 Dalliba Avenue
Watervliet, NY 12189 (map)
Phone: 518.436.0392
Fax: 518.436.0395
Georgia
1481 Dean Forest Road, Suite A
Savannah, GA 31405 (map)
New York
277 Alexander Street, Suite 307
Rochester, NY 14607 (map)
Phone: 585.262.0455
Fax: 585.262.0458
Idaho
7424 Mossy Cup Street
Boise, ID 83709 (map)
Phone: 800.835.3483
Rhode Island
2350 Post Road, Suite 202
Warwick, RI 02886 (map)
Phone: 401.732.7714
Fax: 401.732.7760
Illinois
123 North Wacker Drive, Suite 900
Chicago, IL 60606 (map) Fax: 312.704.9320
South Carolina
225 Seven Farms Drive, Suite 200
Charleston, SC 29492 (map)
Fax: 843.884.2028
Indiana
8888 Keystone Crossing, Suite 1300
Indianapolis, IN 46240 (map)
Phone: 317.581.2492
Texas
20333 State Highway 249, Suite 200
Houston, TX 77070 (map)
Fax: 877.583.3470
Kansas
9393 West 110th Street
Building 51, Suite 500
Overland Park, KS 66210 (map)
Phone: 800.835.3483
Virginia
10201 Fairfax Boulevard, Suite 530
Fairfax, VA 22030 (map)
Phone: 703.691.4841
Fax: 703.691.4839
Kentucky
124 Venture Court, Suite 10
Lexington, KY 40511 (map)
Phone: 859.367.0097
Fax: 859.367.0140

Virginia
745 Bluecrab Road, Suite B
Newport News, VA 23606 (map)
Phone: 757.873.0251
Fax: 757.873.0261
Massachusetts
333 Elm Street, Suite 110
Dedham, MA 02026 (map)
Phone: 781.251.0630
Fax: 781.251.0633
Washington
Safeco Plaza
1001 Fourth Avenue, Suite 3330
Seattle, WA 98154 (map)
Phone: 206.682.2140
Fax: 206.682.2146
Minnesota
1599 Selby Avenue, Suite 206
St. Paul, MN  55104 (map)
Phone: 651.646.8502
Wisconsin
2033 West Howard Avenue
Milwaukee, WI 53221 (map)
Phone: 414.282.6905
Fax: 414.282.6955
Nevada
3130 South Durango Drive, Suite 404
Las Vegas, NV 89117 (map)
Phone: 702.248.8000
Fax: 702.248.8070
Wisconsin
2149 Velp Avenue, Suite 203
Green Bay, WI 54303 (map)
Phone: 920.252.2418
Northern Ireland
The Innovation Centre
Northern Ireland Science Park
Queen's Road
Queen's Island
Belfast BT3 9DT (map)
Phone: +44 (0)28 9073 7970
Fax: +44 (0)28 9002 0442

If you need more information or special assistance for persons with disabilities or limited English proficiency, contact our office at Human Resources Department at (312) 236-4170, TTY/TDD: 711 (312) 704-9300 or aharney@collinsengr.com.