MISSOURI

1400 Forum Blvd., Suite 19A
Columbia, MO 65203
Phone: (573) 442-4537
Fax: (573) 442-4543
Michael M. Hall, P.E.
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921 Jackson Street
Chillicothe, MO 64601
Phone: (660) 646-9788
Fax: (660) 646-9791
Ronald R. Urton, Jr., P.E.
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2940 Main Street
Kansas City, MO 64108
Phone: (816) 756-0444
Fax: (816) 756-1763
Larry D. Graham, P.E., P.L.S.
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107 Butler Street
P.O. Box 366
Macon, MO 63552
Phone: (660) 385-6441
Fax: (660) 385-6614
Shannon J. Howe, P.E.
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2005 Swift Street
North Kansas City, MO 64116
Phone: (816) 221-6611
Fax: (816) 221-6622
David C. Stanfield, P.E., DGCP
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KANSAS

CORPORATE
HEADQUARTERS
11250 Corporate Ave.
Lenexa, KS 66219
Phone: (913) 888-7800
Fax: (913) 888-7868
Gerald C. Johnson, P.E.
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216 North Jefferson
Iola, KS 66749
Phone: (620) 365-5101
Fax: (620) 365-6828
Kenneth R. Shetlar, P.E., L.S.
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OKLAHOMA

1323 East 71st Street
Suite 120
Tulsa, OK 74136
Phone: (918) 499-6000
Fax: (918) 499-6003
Daniel L. Coltrane, Jr., P.E.
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TEXAS

1400 Woodloch Forest Drive
Suite 140
The Woodlands, TX 77380
Phone: (281) 292-0910
Fax: (281) 292-3853
D. Craig Walker
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