Founded in 1915, we’ve been a driving force in shaping infrastructure and improving communities in more than 65 countries, specializing in natural resources, transportation, water, power, and facility-related projects. We embrace sustainability and innovation in our projects and internal activities, and achieve results while being responsible stewards of our environment.
Results Driven
A results-driven firm, we achieved $388 million in revenue in 2016 and are consistently ranked in the top one percent of engineering firms worldwide. Proud to be ISO 9001:2008 Certified, we’re routinely recognized by the industry for our projects, performance, processes, and people.
We’re Different
When you work with us, our entire team supports you to solve your challenges and ensure the success of your projects. We enjoy what we do and it shows in both our work product and relationship with you. We believe you’ll like doing business with us because we’re passionate about serving you with consistent, quality work.
Corniche Rd
Floor 4, Abdullah Sultan bin Sulayem Building, Building Number 29
Abu Dhabi, Abu Dhabi
3340 W Market St
1st floor
Fairlawn, OH 44333
2890 Carpenter Rd
Suite 1000
Ann Arbor, MI 48108
12710 Research Blvd
Suite 350
Austin, TX 78759
7133 Rutherford Rd
Suite 300
Milford Mill, MD 21244
609 W Cottonwood Ln
Suite 3
Casa Grande, AZ 85122
20 N Upper Wacker Dr
Suite 1500
Chicago, IL 60606
2500 Corporate Exchange Dr
Suite 230
Columbus, OH 43231
333 Elm St
Suite 215
Dedham, MA 02026
9605 Kingston Ct
Suite 130
Englewood, CO 80112
C Ring Rd
Suite 5, Floor 1, Building 1, Financial Square
Doha, Doha
4035 Ridge Top Rd
Suite 500
Fairfax, VA 22030
500 Rugh St
Suite 100
Greensburg, PA 15601
2189 Silas Deane Hwy
Suite 17
Rocky Hill, CT 06067
951 Hornet Dr
Suite 200
Hazelwood, MO 63042
207 Senate Ave
Camp Hill, PA 17011
10161 Centurion Pkwy N
Suite 300
Jacksonville, FL 32256
5062 Alfingo St
Las Vegas, NV 89135
85 Mechanic St
Suite E2-2
Lebanon, NH 03766
601 S Figueroa St
Suite 3800
Los Angeles, CA 90017
8025 Excelsior Dr
Madison, WI 53717
5 Eves Dr
Suite 200
Evesham Township, NJ 08053
3878 S Perkins Cut Off Rd
Memphis, TN 38118
554 S Erie St
Mercer, PA 16137
7300 NW 19th St
Suite 701
Doral, FL 33126
651 N Broad St
Suite 204
Middletown, DE 19709
1708 Chantilly Dr
Suite D
Laplace, LA 70068
380 7th Ave
Suite 552
New York, NY 10001
1037 Raymond Blvd
Suite 1420
Newark, NJ 07102
11837 Rock Landing Dr
Suite 200
Newport News, VA 23606
790 Turnpike St
Suite 110
North Andover, MA 01845
4211 Yonge St
Suite 600
Toronto, ON M2P 2A9
1801 Market St
Suite 2600
Philadelphia, PA 19103
3838 N Central Ave
Suite 1900
Phoenix, AZ 85012
29 Richard Lee Ln
Phoenixville, PA 19460
730 Holiday Dr
Suite 400
Pittsburgh, PA 15220
2610 Wycliff Rd
Suite 102
Raleigh, NC 27607
701 E Franklin St
Suite 1515
Richmond, VA 23219
201 Mission St
Suite 2200
SF, CA 94105
1075 Eastgate Dr
Suite 3
O'Fallon, IL 62269
1218 3rd Ave
Suite 1700
Seattle, WA 98101
1 Cragwood Rd
Suite 205
South Plainfield, NJ 07080
1400 Elbridge Payne Rd
Suite 100
Chesterfield, MO 63017
100 Radnor Rd
Suite 201
State College, PA 16801
327 Office Plaza
Suite 207
Tallahassee, FL 32301
9119 Corporate Lake Dr
Suite 150
Tampa, FL 33634
1010 Adams Ave
Audubon, PA 19403
5029 Corporate Woods Dr
Suite 301
Virginia Beach, VA 23462
800 I St NW
Suite 600
Washington, DC 20001
2475 Mercer Ave
Suite 107
West Palm Beach, FL 33401