Skip breadcrumb.


Corporate Office
Two Warren Place
6120 South Yale Avenue, Suite 700
Tulsa, Oklahoma 74136-4216
Scott Ball
Vice President, Asphalt
400 North Woodlawn, Suite 1
Wichita, KS 67208
Voice: (316) 681-3499
Email: sball@semgrouplp.com
Dennis Krivohlavek
24606 South Highway 66
Claremore, OK 74017
Voice: (918) 342-5159
FAX: (918) 342-3366
Email: dkrivohlavek@semgrouplp.com
Richard Ziesmer
Lab Technician
24606 South Highway 66
Claremore, OK 74017
Voice: (918) 342-5159
FAX: (918) 342-3366
Email: rziesmer@semgrouplp.com
Larry Larson
National Marketing Leader
Two Warren Place
6120 South Yale Avenue, Suite 700
Tulsa, OK 74136
Voice: (918) 388-8100
Email: llarson@semgrouplp.com
Amy Chiconas
Technical Marketing Representative
Two Warren Place
6120 South Yale Avenue, Suite 700
Tulsa, OK 74136
Voice: (918) 388-8100
Email: achiconas@semgrouplp.com